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2017
SIR
U.S. Geological Survey Scientific Investigations Report 2017-5115
Evaluation and use of U.S. Environmental Protection Agency Clean Watersheds Needs Survey data to quantify nutrient loads to surface water, 1978-2012
By Tamara Ivahnenko
JRN
Freshwater Science
A digital reference collection for aquatic macroinvertebrates of North America
By David Walters, Morgan A Ford, and Robert E. Zuellig
PDF ( 0 KB) | Online Journal Article
JRN
Illesia
A rare and cryptic endemic of the Central Rocky Mountains, U.S.A: The distribution of the Arapahoe snowfly, Arsapnia arapahoe (Nelson & Kondratieff, 1988) (Plecoptera: Capniidae)
By Matthew P. Fairchild, Thomas P. Belcher III, Robert E. Zuellig, Nicole K.M. Vieira, and Boris C. Kondratieff
PDF ( 0 KB) | Online Journal Article
SIR
U.S. Geological Survey Scientific Investigations Report 2017-5006
Water-quality trends in the nation’s rivers and streams, 1972-2012 Data preparation, statistical methods, and trend results
By Gretchen P. Oelsner, Lori A. Sprague, Jennifer C. Murphy, Robert E. Zuellig, Henry M. Johnson, Karen R. Ryberg, James A. Falcone, Edward G. Stets, Aldo V. Vecchia, Melissa L. Riskin, Laura A. De Cicco, Taylor J. Mills, and William H. Farmer
JRN
Environmental Science & Technology
Effects of an Extreme Flood on Trace Elements in River Water-From Urban Stream to Major River Basin
By Larry B. Barber, Suzanne S. Paschke, William A. Battaglin, Chris Douville, Kevin C. Fitzgerald†, Steffanie H. Keefe, David A. Roth, and Alan M. Vajda
PDF ( 0 KB) | Online Journal Article
SIR
U.S. Geological Survey Scientific Investigations Report 2017-5084
Characterization of Water Quality and Suspended Sediment during Cold-Season Flows, Warm-Season Flows, and Stormflows in the Fountain and Monument Creek Watersheds, Colorado, 2007-2015
By Lisa D. Miller and Robert W. Stogner, Sr.
JRN
Environmental Pollution
Widespread legacy brine contamination from oil production reduces survival of chorus frog larvae
By Blake R. Hossack, Holly J. Puglis, William A. Battaglin, Chauncey W. Anderson, R. Ken Honeycutt, and Kelly L. Smalling
PDF ( 0 KB) | Online Journal Article
OFR
Open-File Report 2017-1072
Precipitation, streamflow, suspended-sediment, and water-quality data for the U.S. Army Garrison Fort Carson and Piñon Canyon Maneuver Site, Colorado, 1966-2015
By L.R. Arnold
DS
Data Series 1053
Hydrologic Derivatives for Modeling and Analysis-A New Global High-Resolution Database
By Kristine L. Verdin
SIR
U.S. Geological Survey Scientific Investigations Report 2017-5059
Estimation of salt loads for the Dolores River in the Paradox Valley, Colorado, 1980-2015
By M. Alisa Mast
JRN
Environmental Science and Pollution Research
Synoptic sampling and principal components analysis to identify sources of water and metals to an acid mine drainage stream
By Patrick Byrne, Roberts L. Runkel, and Katherine Walton-Day
PDF ( 0 KB) | Online Journal Article
JRN
Journal of Hydrology
The Niobrara Formation as a challenge to water quality in the Arkansas River, Colorado, USA
By Carleton R. Bern and Robert W. Stogner Sr.
PDF ( 0 KB) | Online Journal Article
JRN
Environmental Science & Technology
Methane and Benzene in Drinking-Water Wells Overlying the Eagle Ford, Fayetteville, and Haynesville Shale Hydrocarbon Production Areas
By Peter B. McMahon, Jeannie R.B. Barlow, Mark A. Engle, Kenneth Belitz Patricia B. Ging, Andrew G. Hunt, Bryant C. Jurgens, Yousif K. Kharaka, Roland W. Tollett, and Timothy M. Kresse
PDF ( 0 KB) | Online Journal Article
SIM
Scientific Investigations Map 3378
Hydrogeologic characteristics and geospatial analysis of water-table changes in the alluvium of the lower Arkansas River Valley, southeastern Colorado, 2002, 2008, and 2015
By Michael J. Holmberg
OFR
Open-File Report 2016-1212
The U.S. Geological Survey Monthly Water Balance Model Futures Portal
By Andrew R. Bock, Lauren E. Hay, Steven L. Markstrom, Christopher Emmerich, and Marian Talbert
JRN
Freshwater Science
A software tool to assess uncertainty in transient-storage model parameters using Monte Carlo simulations
By Adam S. Ward, Christa A. Kelleher, Seth J. K. Mason, Thorsten Wagener, Neil McIntyre, Brian L. McGlynn, Robert L. Runkel, and Robert A. Payn
PDF ( 0 KB) | Online Journal Article
SIM
Scientific Investigations Map 3375
Bathymetry of Clear Creek Reservoir, Chaffee County, Colorado, 2016
By Michael S. Kohn, Paul J. Kinzel, and Jacob S. Mohrmann
2016
SIR
U.S. Geological Survey Scientific Investigations Report 2016-5145
Characterization and relation of precipitation, streamflow, and water-quality data at the U.S. Army Garrison Fort Carson and Piñon Canyon Maneuver Site, Colorado, water years 2013-14
By Michael J. Holmberg, Robert W. Stogner, and James F. Bruce
SIR
U.S. Geological Survey Scientific Investigations Report 2016-5134
Groundwater and surface-water interaction, water quality, and processes affecting loads of dissolved solids, selenium, and uranium in Fountain Creek near Pueblo, Colorado, 2012-2014
By L. Rick Arnold, Roderick F. Ortiz, Christopher R. Brown, and Kenneth R. Watts
SIR
U.S. Geological Survey Scientific Investigations Report 2016-5099
Paleoflood investigations to improve peak-streamflow regional-regression equations for natural streamflow in eastern Colorado, 2015
By Michael S. Kohn, Michael R. Stevens, Tessa M. Harden, Jeanne E. Godaire, Ralph E. Klinger, and Amanullah Mommandi
DS
Data Series 1012
Macroinvertebrate community sample collection methods and data collected from Sand Creek and Medano Creek, Great Sand Dunes National Park and Preserve, Colorado, 2005-07
By Morgan A. Ford, Robert E. Zuellig, David M. Walters, and James F. Bruce
OFR
Open-File Report 2016-1129
2014 annual summary of the lower Gunnison River Basin Selenium Management Program water-quality monitoring, Colorado
By Mark F. Henneberg
JRN
Science of the Total Environment
Controls on selenium distribution and mobilization in an irrigated shallow groundwater system underlain by Mancos Shale, Uncompahgre River Basin, Colorado, USA
By Taylor J. Mills, M. Alisa Mast, Judith Thomas, Gabrielle Keith
PDF ( 0 KB) | Online Journal Article
OFR
Open-File Report 2016-1100
Preliminary Results from Exploratory Sampling of Wells for the California Oil, Gas, and Groundwater Program, 2014-15
By Peter B. McMahon, Justin T. Kulongoski, Michael T. Wright, Michael T. Land, Matthew K. Landon, Isabelle M. Cozzarelli, Avner Vengosh, and George R. Aiken
JRN
Water, Air, & Soil Pollution
Changing Regional Emissions of Airborne Pollutants Reflected in the Chemistry of Snowpacks and Wetfall in the Rocky Mountain Region, USA, 1993-2012
By G.P. Ingersoll, D.C. Miller, K.H. Morris, J.A. McMurray, Garrett Port, and B.S. Caruso
PDF ( 0 KB) | Online Journal Article
JRN
Hydrology and Earth System Sciences
Parameter regionalization of a monthly water balance model for the conterminous United States
By Andrew R. Bock, Lauren E. Hay, Gregory J. McCabe, Steven L. Markstrom, and R. Dwight Atkinson
PDF ( 0 KB) | Online Journal Article
NRR
Natural Resource Report NPS 2016 1239
Screening for Contaminants of Emerging Concern in Waters of the Northern Colorado Plateau Network
By Weissinger, R., W. Battaglin, and P. Bradley
JRN
Hydrological Processes
Comparison of methods for quantifying surface sublimation over seasonally snow-covered terrain
By Graham A. Sexstone, David W. Clow, David I. Stannard, and Steven R. Fassnacht
PDF ( 0 KB) | Online Journal Article
JRN
Science of the Total Environment
Potential interactions among disease, pesticides, water quality and adjacent land cover in amphibian habitats in the United States
By W.A. Battaglin, K.L. Smalling, C. Anderson, T. Chestnut, and E. Muths
PDF ( 0 KB) | Online Journal Article
SIR
U.S. Geological Survey Scientific Investigations Report 2016-5047
Response of selenium concentrations in groundwater to seasonal canal leakage, lower Gunnison River Basin, Colorado, 2013
By J.I. Linard, P.B. McMahon, L.R. Arnold, and J.C. Thomas
JRN
Water Resources Research
Numerical experiments to explain multiscale hydrological responses to mountain pine beetle tree mortality in a headwater watershed
By Colin A. Penn, Lindsay A. Bearup, Reed M. Maxwell, and David W. Clow
PDF ( 0 KB) | Online Journal Article
JRN
Science of the Total Environment
Spatiotemporal patterns of mercury accumulation in lake sediments of western North America
By Paul E. Drevnick, Colin A. Cooke, Daniella Barraza, Jules M. Blais, Kenneth H. Coale, Brian F. Cumming, Chris J. Curtis, Biplob Das, William F. Donahue, Collin A. Eagles-Smith, Daniel R. Engstrom, William F. Fitzgerald, Chad V. Furl, John E. Gray, Roland I. Hall, Togwell A. Jackson, Kathleen R. Laird, W. Lyle Lockhart, Robie W. Macdonald, M. Alisa Mast, Callie Mathieu, Derek C.G. Muir, Peter M. Outridge, Scott A. Reinemann, Sarah E. Rothenberg
PDF ( 0 KB) | Online Journal Article
TM
Techniques and Methods 3-A24
Identifying and preserving high-water mark data
By Todd A. Koenig, Jennifer L. Bruce, Jim O'Connor, Benton D. McGee, Robert R. Holmes, Jr., Ryan Hollins, Brandon T. Forbes, Michael S. Kohn, Mathew Schellekens, Zachary Martin, and Marie C. Peppler
SIR
U.S. Geological Survey Scientific Investigations Report 2016-5020
Groundwater quality, age, and susceptibility and vulnerability to nitrate contamination with linkages to land use and groundwater flow, Upper Black Squirrel Creek Basin, Colorado, 2013
By Tristan P. Wellman and Michael G. Rupert
JRN
Climate Dynamics
Annual variations in wet-deposition chemistry related to changes in climate
By Gregory A. Wetherbee, M. Alisa Mast
PDF ( 0 KB) | Online Journal Article
2015
JRN
Contaminant Hydrology
Non-invasive flow path characterization in a mining-impacted wetland
By James Bethune, Jackie Randell, Robert L. Runkel, Kamini Singha
PDF ( 0 KB) | Online Journal Article
JRN
Hydrological Processes
Water-quality response to a high-elevation wildfire in the Colorado Front Range
By M. Alisa Mast, Sheila F. Murphy, David W. Clow, Colin Penn and Graham Sexstone
PDF ( 0 KB) | Online Journal Article
SIR
U.S. Geological Survey Scientific Investigations Report 2015-5147
Characterization of hydrology and water quality of Piceance Creek in the Alkali Flat area, Rio Blanco County, Colorado, March 2012
By Judith C. Thomas
SIR
U.S. Geological Survey Scientific Investigations Report 2015-5119
Flooding in the South Platte River and Fountain Creek Basins in eastern Colorado, September 9-18, 2013
By Robert A. Kimbrough and Robert R. Holmes, Jr.
JRN
Applied Geochemistry
Hydrogeochemical effects of a bulkhead in the Dinero mine tunnel, Sugar Loaf mining district, near Leadville, Colorado
By Katherine Walton-Day and Taylor J. Mills
PDF ( 0 KB) | Online Journal Article
DS
Data Series 955
Installation of a groundwater monitoring-well network on the east side of the Uncompahgre River in the Lower Gunnison River Basin, Colorado, 2014
By Judith C. Thomas
JRN
Water Resources Research
On the use of rhodamine WT for the characterization of stream hydrodynamics and transient storage
By Robert L. Runkel
PDF ( 0 KB) | Online Journal Article
JRN
Groundwater
Chemical Considerations for an Updated National Assessment of Brackish Groundwater Resources
By P.B. McMahon, J. K. Böhlke, K.G. Dahm, D.L. Parkhurst, D.W. Anning, and J.S. Stanton
PDF ( 0 KB) | Online Journal Article
NPS
Natural Resource Report NRR 2015-997
2013 Monitoring and Tracking Wet Nitrogen Deposition at Rocky Mountain National Park
By Kristi Morris, Alisa Mast, David Clow, Greg Weatherbee, Jill Baron, Curt Taipale, Tamera Blett, David Gay, and D. Bowker
JRN
Environmental Science and Technology
Organic Carbon Burial in Lakes and Reservoirs of the Conterminous United States
By David W. Clow, Sarah M. Stackpoole, Kristine L. Verdin, David E. Butman, Zhiliang Zhu, David P. Krabbenhoft, and Robert G. Striegl
PDF ( 0 KB) | Online Journal Article
DS
Data Series 923
Installation of a Groundwater Monitoring-Well Network on the East Side of the Uncompahgre River in the Lower Gunnison River Basin, Colorado, 2012
By Judith C. Thomas and Larry R. Rick Arnold
SIR
U.S. Geological Survey Scientific Investigations Report 2015-5043
Hydraulic, Geomorphic, and Trout Habitat Characteristics of the Lake Fork of the Gunnison River in Hinsdale County, Lake City, Colorado, Water Years 2010-2011
By Cory A. Williams, Rodney J. Richards, and Keelin R. Schaffrath
SIR
U.S. Geological Survey Scientific Investigations Report 2015-5015
Evaluation of Groundwater Levels in the South Platte River Alluvial Aquifer, Colorado, 1953-2012, and Design of Initial Well Networks for Monitoring Groundwater Levels
By Tristan P. Wellman
JRN
Quaternary Science Reviews
Isotopes in North American Rocky Mountain Snowpack 1993-2014
By Lesleigh Anderson, Max Berkelhammer, M. Alisa Mast
Online Journal Article
SIR
U.S. Geological Survey Scientific Investigations Report 2015-5039
Characterization of Streamflow, Salinity, and Selenium Loading and Land-Use Change in Montrose Arroyo, Western Colorado, from 1992 to 2013
By Rodney J. Richards and Jennifer L. Moore
CIRC
Circular 1407
The water-energy nexus: an earth science perspective
By Richard W. Healy, William M. Alley, Mark A. Engle, Peter B. McMahon, and Jerad D. Bales
SIR
U.S. Geological Survey Scientific Investigations Report 2015-5016
Evaluation of Mean-Monthly Streamflow-Regression Equations for Colorado, 2014
By Michael S. Kohn, Michael R. Stevens, Andrew R. Bock, and Stephen J. Char
JRN
Water Resources Research
Assessment of surface water chloride and conductivity trends in areas of unconventional oil and gas development&mdashWhy existing national data sets cannot tell us what we would like to know
By Zachary H. Bowen, Gretchen P. Oelsner, Brian S. Cade, Tanya J. Gallegos, Aida M. Farag, David N. Mott, Christopher J. Potter, Peter J. Cinotto, Melanie L. Clark, William M. Kappel, Timothy M. Kresse, Cynthia P. Melcher, Suzanne S. Paschke, David D. Susong, and Brian A. Varela
PDF ( 0 KB) | Online Journal Article
JRN
Journal of Hydrology
Soil disturbance as a driver of increased stream salinity in a semiarid watershed undergoing energy development
By Carleton R. Bern, Melanie L. Clark, Travis S. Schmidt, JoAnn M. Holloway, Robert R. McDougal
PDF ( 0 KB) | Online Journal Article
OFR
Open-File Report 2014-1261
Analysis of Historic Agricultural Irrigation Data from the Natural Resources Conservation Service Monitoring and Evaluation for Grand Valley, Lower Gunnison Basin, and McElmo Creek Basin, Western Colorado, 1985 to 2003
By John W. Mayo
CIRC
Circular 1360
Water Quality in Principal Aquifers of the United States, 1991-2010
By Leslie A. DeSimone, Peter B. McMahon, and Michael R. Rosen
CIRC
Circular 1357
Water Quality in the Denver Basin Aquifer System, Colorado, 2003-05
By Nancy J. Bauch, MaryLynn Musgrove, Barbara J. Mahler, and Suzanne S. Paschke
2014
OFR
Open-File Report 2014-1231
Monitoring-Well Installation, Slug Testing, and Groundwater Quality for Selected Sites in South Park, Park County, Colorado, 2013
By L.R. Arnold
JRN
Environmental Science and Technology
Links between N Deposition and Nitrate Export from a High-Elevation Watershed in the Colorado Front Range
By M. Alisa Mast, David W. Clow, Jill S. Baron, and Gregory A. Wetherbee
PDF ( 0 KB) | Online Journal Article
JRN
Atmospheric Environment
Spatial patterns of atmospheric deposition of nitrogen and sulfur using ion-exchange resin collectors in Rocky Mountain National Park, USA
By David W. Clow, Heidi A. Roop, Leora Nanus, Mark E. Fenn, Graham A. Sexstone
PDF ( 0 KB) | Online Journal Article
JRN
Groundwater
Quality and Age of Shallow Groundwater in the Bakken Formation Production Area, Williston Basin, Montana and North Dakota
By P.B. McMahon, R.R. Caldwell, J.M. Galloway, J.F. Valder, and A.G. Hunt
PDF ( 0 KB) | Online Journal Article
SIR
U.S. Geological Survey Scientific Investigations Report 2014-5172
Groundwater Levels in the Denver Basin Bedrock Aquifers of Douglas County, Colorado, 2011-2013
By Rhett R. Everett
SIR
U.S. Geological Survey Scientific Investigations Report 2014-5095
Groundwater and Surface-Water Interaction and Potential for Underground Water Storage in the Buena Vista-Salida Basin, Chaffee County, Colorado, 2011
By Kenneth R. Watts, Tamara Ivahnenko, Robert W. Stogner, and James F. Bruce
JRN
Journal of American Water Resources Association
Dissipation of contaminants of emerging concern in biosolids applied to nonirrigated farmland in eastern Colorado
By Tracy J.B. Yager, Edward T. Furlong, Dana W. Kolpin, Chad A. Kinney, Steven D. Zaugg, and Mark R. Burkhardt
PDF ( 0 KB) | Online Journal Article
OFR
Open-File Report 2014-1158
Two Decision-Support Tools for Assessing the Potential Effects of Energy Development on Hydrologic Resources as Part of the Energy and Environment in the Rocky Mountain Area Interactive Energy Atlas
By Joshua I. Linard, Anne Marie Matherne, Kenneth J. Leib, Natasha B. Carr, James E. Diffendorfer, Sarah J. Hawkins, Natalie Latysh, Drew A. Ignizio, and Nils C. Babel
JRN
Environmental Science and Technology
Metamorphosis Alters Contaminants and Chemical Tracers in Insects: Implications for Food Webs
By Johanna M. Kraus, David M. Walters, Jeff S. Wesner, Craig A. Stricker, Travis S. Schmidt, and Robert E. Zuellig
PDF ( 0 KB) | Online Journal Article
JRN
Environmental Science and Technology
Metamorphosis Enhances the Effects of Metal Exposure on the Mayfly, Centroptilum triangulifer
By Jeff S. Wesner, Johanna M. Kraus, Travis S. Schmidt, David M. Walters, and William H. Clements
PDF ( 0 KB) | Online Journal Article
SIR
U.S. Geological Survey Scientific Investigations Report 2013-5129
Analysis of Water Quality in the Blue River Watershed, Colorado, 1984 through 2007
By Nancy J. Bauch, Lisa D. Miller, and Sharon Yacob
SIR
U.S. Geological Survey Scientific Investigations Report 2014-5049
Comparability among Four Invertebrate Sampling Methods, Fountain Creek Basin, Colorado, 2010–2012
By Robert E. Zuellig, James F. Bruce, Robert W. Stogner, and Krystal D. Brown
SIR
U.S. Geological Survey Scientific Investigations Report 2014-5051
Quality of Groundwater in the Denver Basin Aquifer System, Colorado, 2003-5
By By MaryLynn Musgrove, Jennifer A. Beck, Suzanne S. Paschke, Nancy J. Bauch, and Shana L. Mashburn
SIR
U.S. Geological Survey Scientific Investigations Report 2014-5101
Characterization of Salinity Loads and Selenium Loads in the Smith Fork Creek Region of the Lower Gunnison River Basin, Western Colorado, 2008-2009
By Rodney J. Richards, Joshua I. Linard, and Christopher M. Hobza
JRN
Applied Geochemistry
Mobilization of selenium from the Mancos Shale and associated soils in the lower Uncompahgre River Basin, Colorado
By M. Alisa Mast, Taylor J. Mills, Suzanne S. Paschke, Gabrielle Keith, Joshua I. Linard
PDF ( 0 KB) | Online Journal Article
SIR
U.S. Geological Survey Scientific Investigations Report 2013-5074
Water Quality at a Biosolids-Application Area near Deer Trail, Colorado, 1993-1999
By Tracy J.B. Yager
TM
Techniques and Methods 6-A50
Two Graphical User Interfaces for Managing and Analyzing MODFLOW Groundwater-Model Scenarios
By Edward R. Banta
SIR
U.S. Geological Survey Scientific Investigations Report 2013-5218
Assessment of the quality of groundwater and the Little Wind River in the area of a former uranium processing facility on the Wind River Reservation, Wyoming, 1987 through 2010
By Anthony J. Ranalli and David L. Naftz
OFR
Open-File Report 2014-1039
Precipitation and streamflow data from the Fort Carson Military Reservation and precipitation, streamflow, and suspended-sediment data from the Piñon Canyon Maneuver Site, Southeastern Colorado, 2008-2012
By Christopher R. Brown
SIR
U.S. Geological Survey Scientific Investigations Report 2013-5099
Geologic sources and concentrations of selenium in the West-Central Denver Basin, including the Toll Gate Creek watershed, Aurora, Colorado, 2003-2007
By Suzanne S. Paschke, Katherine Walton-Day, Jennifer A. Beck, Ank Webber, and Jean A. Dupree
SIR
U.S. Geological Survey Scientific Investigations Report 2014-5019
Remediation scenarios for attenuating peak flows and reducing sediment transport in Fountain Creek, Colorado, 2013
By Michael S. Kohn, John W. Fulton, Cory A. Williams, and Robert W. Stogner, Sr.
JRN
Water
Use of Natural and Applied Tracers to Guide Targeted Remediation Efforts in an Acid Mine Drainage System, Colorado Rockies, USA
By Rory Cowie, Mark W. Williams, Mike Wireman, and Robert L. Runkel
PDF ( 0 KB) | Online Journal Article
JRN
Transactions of the American Fisheries Society
Barriers Impede Upstream Spawning Migration of Flathead Chub
By David M. Walters, Robert E. Zuellig, Harry J. Crockett, James F. Bruce, Paul M. Lukacs and Ryan M. Fitzpatrick
PDF ( 0 KB) | Online Journal Article
JRN
Ecological Applications
Cross-ecosystem impacts of stream pollution reduce resource and contaminant flux to riparian food webs
By Johanna M. Kraus, Travis S. Schmidt, David M. Walters, Richard B. Wanty, Robert E. Zuellig, and Ruth E. Wolf
PDF ( 0 KB) | Online Journal Article
OFR
Open-File Report 2014-1015
Regression Models for Estimating Salinity and Selenium Concentrations at Selected Sites in the Upper Colorado River Basin, Colorado, 2009-2012
By Joshua I. Linard and Keelin R. Schaffrath
NPS
Natural Resource Report NRR 2014-757
2012 Monitoring and Tracking Wet Nitrogen Deposition at Rocky Mountain National Park: January 2014
By Kristi Morris, Alisa Mast, Greg Weatherbee, Jill Baron, Curt Taipale, Tamera Blett, David Gay, and Jared Heath
2013
JRN
Limnology and Oceanography
Internal wave-driven transport of fluid away from the boundary of a lake
By Danielle J. Wain, Michael S. Kohn, Joshua A. Scanlon, Chris R. Rehmann
PDF ( 0 KB) | Online Journal Article
SIM
Scientific Investigations Map 3273
Characterization of hydrodynamic and sediment conditions in the lower Yampa River at Deerlodge Park, east entrance to Dinosaur National Monument, northwest Colorado, 2011
By Cory A. Williams
SIR
U.S. Geological Survey Scientific Investigations Report 2012-5267
Analysis of postfire hydrology, water quality, and sediment transport for selected streams in areas of the 2002 Hayman and Hinman fires, Colorado
By Michael R. Stevens
TM
Techniques and Methods 6-A48
GWM-VI-Groundwater Management with Parallel Processing for Multiple MODFLOW Versions
By Edward R. Banta and David P. Ahlfeld
JRN
Environmental Science and Technology
Groundwater Ages and Mixing in the Piceance Basin Natural Gas Province, Colorado
By Peter B. McMahon, Judith C. Thomas, and Andrew G. Hunt
PDF ( 0 KB) | Online Journal Article
JRN
Environmental Management
Effects of stock use and backpackers on water quality in wilderness in Sequoia and Kings Canyon National Parks, USA
By David W. Clow, Harrison Forrester, Benjamin Miller, Heidi Roop, James O. Sickman, Hodon Ryu, Jorge Santo Domingo
PDF ( 0 KB) | Online Journal Article
OFR
Open-File Report 2013-1259
Postwildfire debris-flow hazard assessment of the area burned by the 2013 West Fork Fire Complex, southwestern Colorado
By Kristine L. Verdin, Jean A. Dupree, and Michael R. Stevens
FS
Fact Sheet 2013-3047
Chemistry and Age of Groundwater in the Piceance Structural Basin, Rio Blanco County, Colorado, 2010-12
By P.B. McMahon, J.C. Thomas, and A.G. Hunt
SIR
U.S. Geological Survey Scientific Investigations Report 2013-5132
Chemistry and Age of Groundwater in Bedrock Aquifers of the Piceance and Yellow Creek Watersheds, Rio Blanco County, Colorado, 2010-12
By P.B. McMahon, J.C. Thomas, and A.G. Hunt
SIR
U.S. Geological Survey Scientific Investigations Report 2013-5075
Ranking Contributing Areas of Salt and Selenium in the Lower Gunnison River Basin, Colorado, Using Multiple Linear Regression Models
By Joshua I. Linard
NPS
Natural Resource Report NRR 2013-701
2011 monitoring and tracking wet nitrogen deposition at Rocky Mountain National Park: August 2013
By Kristi Morris, Alisa Mast, David Clow, Greg Weatherbee, Jill Baron, Curt Taipale, Tamera Blett, David Gay, and Jared Heath
SIR
U.S. Geological Survey Scientific Investigations Report 2013-5065
Effects of surface applications of biosolids on groundwater quality and trace-element concentrations in crops near Deer Trail, Colorado, 2004-2010
By Tracy J.B. Yager, James G. Crock, David B. Smith, Edward T. Furlong, Philip L. Hageman, William T. Foreman, James L. Gray, and Rhiannon C. ReVello
SIR
U.S. Geological Survey Scientific Investigations Report 2013-5119
Simulated effects of proposed Arkansas Valley Conduit on hydrodynamics and water quality for projected demands through 2070, Pueblo Reservoir, southeastern Colorado
By Roderick F. Ortiz
SIR
U.S. Geological Survey Scientific Investigations Report 2012-5097
Flood hydrology and dam-breach hydraulic analyses of five reservoirs in Colorado
By Michael R. Stevens and Galen K. Hoogestraat
JRN
Environmental Science and Technology
Emergence Flux Declines Disproportionately to Larval Density along a Stream Metals Gradient
By Travis S. Schmidt, Johanna M. Kraus, David M. Walters, and Richard B. Wanty
PDF ( 0 KB) | Online Journal Article
OFR
Open-File Report 2013-1115
Assessing the Use of Existing Data to Compare Plains Fish Assemblages Collected from Random and Fixed Sites in Colorado
By Robert E. Zuellig and Harry J. Crockett
SIR
U.S. Geological Survey Scientific Investigations Report 2012-5280
Streamflow and water-quality conditions including geologic sources and processes affecting selenium loading in the Toll Gate Creek Watershed, Aurora, Arapahoe County, Colorado, 2007
By Suzanne S. Paschke, Robert L. Runkel, Katherine Walton-Day, Briant A. Kimball, and Keelin R. Schaffrath
JRN
Environmental Monitoring and Assessment
Evaluation of stream chemistry trends in US Geological Survey reference watersheds, 1970-2010
By M. Alisa Mast
PDF ( 0 KB) | Online Journal Article
Annals of Environmental Science
Transport of nitrate in the Mississippi River in July-August 1999
By Coupe, R.H., Goolsby, D.A., Battaglin, W.A., Bohlke, J.K, McMahon, P.B., and Kendall, C.
PDF ( 0 KB) | Online Journal Article
JRN
Journal of Hydrology
Estimating instream constituent loads using replicate synoptic sampling, Peru Creek, Colorado
By Robert L. Runkel, Katherine Walton-Day, Briant A. Kimball, Philip L. Verplanck, David A. Nimick
PDF ( 0 KB) | Online Journal Article
SIR
U.S. Geological Survey Scientific Investigations Report 2013-5015
Characterization and data-gap analysis of surface-water quality data in the Piceance study area, western Colorado, 1959-2009
By Judith C. Thomas, Jennifer L. Moore, Keelin R. Schaffrath, Jean A. Dupree, Cory A. Williams, and Kenneth J. Leib
JRN
Environmental Monitoring and Assessment
Effect of power plant emission reductions on a nearby wilderness area: a case study in northwestern Colorado
By M. Alisa Mast and Daniel Ely
PDF ( 0 KB) | Online Journal Article
2012
SIR
U.S. Geological Survey Scientific Investigations Report 2012-5255
Assessment of historical surface-water quality data in southwestern Colorado, 1990-2005
By Lisa D. Miller, Keelin R. Schaffrath, and Joshua I. Linard
OFR
Open-File Report 2012-1225
Web-based flood database for Colorado, water years 1867 through 2011
By Michael S. Kohn, Robert D. Jarrett, Gary S. Krammes, and Amanullah Mommandi
SIR
U.S. Geological Survey Scientific Investigations Report 2012-5198
Overview of groundwater quality in the Piceance Basin, western Colorado, 1946–2009
By J.C. Thomas and P.B. McMahon
SIR
U.S. Geological Survey Scientific Investigations Report 2012-5234
Characterization of streamflow, water quality, and instantaneous dissolved solids, selenium, and uranium loads in selected reaches of the Arkansas River, southeastern Colorado, 2009-2010
By Tamara Ivahnenko, Roderick F. Ortiz, and Robert W. Stogner, Sr.
SIR
U.S. Geological Survey Scientific Investigations Report 2012-5102
Prediction of suspended-sediment concentrations at selected sites in the Fountain Creek watershed, Colorado, 2008-09
By Robert W. Stogner, Sr., Jonathan M. Nelson, Richard R. McDonald, Paul J. Kinzel, and David P. Mau
JRN
Hydrological Processes
Evaluation of SNODAS snow depth and snow water equivalent estimates for the Colorado Rocky Mountains, USA
By David W. Clow, Leora Nanus, Kristine L. Verdin and Jeffrey Schmidt
PDF ( 0 KB) | Online Journal Article
SIR
U.S. Geological Survey Scientific Investigations Report 2012-5252
Estimates of gains and losses from unmeasured sources and sinks for streamflow and dissolved-solids load in selected reaches of the Arkansas River, southeastern Colorado, 2009-2010
By Roderick F. Ortiz
SIR
U.S. Geological Survey Scientific Investigations Report 2012-5241
Estimated anthropogenic nitrogen and phosphorus inputs to the land surface of the conterminous United States—1992, 1997, and 2002
By Lori A. Sprague and Jo Ann M. Gronberg
SIR
U.S. Geological Survey Scientific Investigations Report 2012-5195
Application of sediment characteristics and transport conditions to resource management in selected main-stem reaches of the Upper Colorado River, Colorado and Utah, 1965-2007
By C.A. Williams, K.R. Schaffrath, J.G. Elliott, and R.J. Richards
SIR
U.S. Geological Survey Scientific Investigations Report 2012-5220
Use of classes based on redox and groundwater age to characterize the susceptibility of principal aquifers to changes in nitrate concentrations, 1991 to 2010
By P.B. McMahon
SIR
U.S. Geological Survey Scientific Investigations Report 2012-5214
Water-quality assessment and macroinvertebrate data for the Upper Yampa River watershed, Colorado, 1975 through 2009
By Nancy J. Bauch, Jennifer L. Moore, Keelin R. Schaffrath, and Jean A. Dupree
SIR
U.S. Geological Survey Scientific Investigations Report 2012-5056
Preliminary assessment of sources of nitrogen in groundwater at a biosolids-application area near Deer Trail, Colorado, 2005
By Tracy J.B. Yager and Peter B. McMahon
SIR
U.S. Geological Survey Scientific Investigations Report 2012-5140
Demonstration optimization analyses of pumping from selected Arapahoe aquifer municipal wells in the west-central Denver Basin, Colorado, 2010-2109
By Edward R. Banta and Suzanne S. Paschke
DS
Data Series 687
Comparison of 2008–2009 water years and historical water-quality data, upper Gunnison River Basin, Colorado
By Patricia A. Solberg, Bryan Moore, and Ty D. Blacklock
DS
Data Series 650
Geodatabase of digital basin boundaries for Colorado Water Science Center
By Jean A. Dupree and Richard M. Crowfoot
TM
Techniques and Methods 11-C6
Digital database architecture and delineation methodology for deriving drainage basins, and a comparison of digitally and non-digitally derived numeric drainage areas
By Jean A. Dupree and Richard M. Crowfoot
SIR
U.S. Geological Survey Scientific Investigations Report 2012-5104
Estimated probabilities and volumes of postwildfire debris flows-A prewildfire evaluation for the Pikes Peak area, El Paso and Teller Counties, Colorado
By John G. Elliott, Barbara C. Ruddy, Kristine L. Verdin, and Keelin R. Schaffrath
DS
Data Series 718
Groundwater-quality and quality-control data for two monitoring wells near Pavillion, Wyoming, April and May 2012
By Peter R. Wright, Peter B. McMahon, David K. Mueller, and Melanie L. Clark
OFR
Open-File Report 2012-1197
Sampling and analysis plan for the characterization of groundwater quality in two monitoring wells near Pavillion, Wyoming
By Peter R. Wright and Peter B. McMahon
JRN
Journal of Freshwater Science
Characterizing invertebrate traits in wadeable streams of the contiguous US: differences among ecoregions and land uses
By R. E. Zuellig and T. S. Schmidt
PDF ( 0 KB) | Online Journal Article
NPS
Natural Resource Report NRR 2012-562
2010 monitoring and tracking wet nitrogen deposition at Rocky Mountain National Park: August 2012
By Kristi Morris, Alisa Mast, Greg Weatherbee, Jill Baron, Curt Taipale, Tamera Blett, David Gay, Eric Richer
SIR
U.S. Geological Survey Scientific Investigations Report 2012-5128
Surface-water salinity in the Gunnison River Basin, Colorado, water years 1989 through 2007
By Keelin R. Schaffrath
OFR
Open-File Report 2012-1158
Probability and volume of potential postwildfire debris flows in the 2012 Waldo Canyon Burn Area near Colorado Springs, Colorado
By Kristine L. Verdin, Jean A. Dupree, and John G. Elliott
OFR
Open-File Report 2012-1148
Probability and volume of potential postwildfire debris flows in the 2012 High Park Burn Area near Fort Collins, Colorado
By Kristine L. Verdin, Jean A. Dupree, and John G. Elliott
JRN
Journal of Freshwater Science
Estimating risks to aquatic life using quantile regression
By Schmidt, T.S., Clements, W.H., and Cade, B.S
PDF ( 0 KB) | Online Journal Article
SIR
U.S. Geological Survey Scientific Investigations Report 2012-5003
Statistical relations of salt and selenium loads to geospatial characteristics of corresponding subbasins of the Colorado and Gunnison Rivers in Colorado
By Kenneth J. Leib, Joshua I. Linard, and Cory A. Williams
SIR
U.S. Geological Survey Scientific Investigations Report 2012-5088
Flow-adjusted trends in dissolved selenium load and concentration in the Gunnison and Colorado Rivers near Grand Junction, Colorado, water years 1986-2008
By John W. Mayo and Kenneth J. Leib
SIR
U.S. Geological Survey Scientific Investigations Report 2012-5043
Assessment of Total Nitrogen and Total Phosphorus in Selected Surface Water of the National Park Service Northern Colorado Plateau Network, Colorado, Utah, and Wyoming, from 1972 through 2007
By Juliane B. Brown and David P. Thoma
SIR
U.S. Geological Survey Scientific Investigations Report 2012-5049
Methods for evaluating temporal groundwater quality data and results of decadal-scale changes in chloride, dissolved solids, and nitrate concentrations in groundwater in the United States, 1988-2010
By Bruce D. Lindsey and Michael G. Rupert
JRN
Environmental Pollution
Mapping critical loads of nitrogen deposition for aquatic ecosystems in the Rocky Mountains, USA
By Nanus, L., Clow, D.W., Saros, J.E., Stephens, V.C., and Campbell, D.H.
PDF ( 0 KB) | Online Journal Article
JRN
Ecological Applications
Geologic processes influence the effects of mining on aquatic ecosystems
By Schmidt, T.S., Clements, W.H., Wanty, R.B., Verplanck, P.L., Church, S.E., San Juan, C.A., Fey, D.L., Rockwell, B.W., DeWitt, E.H, and Klein, T.L.
PDF ( 0 KB) | Online Journal Article
OFR
Open-File Report 2012-1052
Summary and Evaluation of the Quality of Stormwater in Denver, Colorado, 2006-2010
By Michael R. Stevens and Cecil B. Slaughter
SIR
U.S. Geological Survey Scientific Investigations Report 2012-5034
Comparison of Two Methods for Estimating Base Flow in Selected Reaches of the South Platte River, Colorado
By Joseph P. Capesius and L. Rick Arnold
JRN
Environmental Toxicology and Chemistry
Deposition and accumulation of airborne organic contaminants in Yosemite National Park, California
By Mast, M. A., Alvarez, D. A. and Zaugg, S. D.
PDF ( 0 KB) | Online Journal Article
SIM
Scientific Investigations Map 3203
Bathymetry of Totten Reservoir, Montezuma County, Colorado, 2011
By Michael S. Kohn
SIM
Scientific Investigations Map 3202
Bathymetry of Groundhog Reservoir, Dolores County, Colorado, 2011
By Michael S. Kohn
DS
Data Series 664
Biosolids, Crop, and Groundwater Data for a Biosolids-Application Area near Deer Trail, Colorado, 2009 and 2010
By Tracy J.B. Yager, David B. Smith, and James G. Crock
JRN
Journal of Freshwater Science
Variance partitioning of stream diatom, fish, and invertebrate indicators of biological condition.
By Zuellig RE, Carlisle DM, Meador MR, and Potapova M.
PDF ( 0 KB) | Online Journal Article
DS
Data Series 606
Diversity and distribution of mayflies (Ephemeroptera), stoneflies (Plecoptera), and caddisflies (Trichoptera) of the South Platte River Basin, Colorado, Nebraska, and Wyoming, 1873-2010
By Zuellig, R.E., Heinold, B.D., Kondratieff, B.C., and Ruiter, D.E.
JRN
Environmental Science and Technology
Evaluating Remedial Alternatives for an Acid Mine Drainage Stream: A Model Post Audit
By Runkel, R.L., Kimball, B.A., Walton-Day, K., Verplanck, P.L., and Broshears R.E.
PDF ( 0 KB) | Online Journal Article
2011
SIR
U.S. Geological Survey Scientific Investigations Report 2011-5221
Hydrologic, water-quality, and biological characteristics of the North Fork Flathead River, Montana, water years 2007-2008
By Mills, T.J., Schweiger, E.W., Mast, M.A., Clow, D.W.
SIR
U.S. Geological Survey Scientific Investigations Report 2011-5201
Channel-Pattern and Cross-Section Changes in Selected Reaches of Elkhead Creek, Northwestern Colorado, 1938-2009
By John G. Elliott and Steven J. Char
FS
Fact Sheet 2011-3126
Watershed Scale Response to Climate Change-East River Basin, Colorado
By William A. Battaglin, Lauren E. Hay, and Steven L. Markstrom
FS
Fact Sheet 2011-3117
Watershed Scale Response to Climate Change-Yampa River Basin, Colorado
By William A. Battaglin, Lauren E. Hay, and Steven L. Markstrom
JRN
Journal of Paloelimnology
A caveat regarding diatom-inferred nitrogen concentrations in oligotrophic lakes
By Heather A. Arnett, Jasmine E. Saros and M. Alisa Mast
PDF ( 0 KB) | Online Journal Article
NPS
Natural Resource Report NRR 2011-442
2009 monitoring and tracking wet nitrogen deposition at Rocky Mountain National Park: September 2011
By Kristi Morris, Alisa Mast, David Clow, Greg Weatherbee, Jill Baron, Curt Taipale, Tamera Blett, David Gay, Eric Richer
JRN
Environmental Science and Technology
Critical tissue residue approach linking accumulated metals in aquatic insects to population and community-level effects
By Schmidt T.S., Clements, W.H., Zuellig, R.E., Mitchell, K.A., Church, S.E., Wanty, R.B., San Juan, C.A., Adams, M., and Lamothe, P.J.
PDF ( 0 KB) | Online Journal Article
SIR
U.S. Geological Survey Scientific Investigations Report 2011-5123
Trends in lake chemistry in response to atmospheric deposition and climate in selected class I wilderness areas in Colorado, Idaho, Utah, and Wyoming, 1993-2009
By M. Alisa Mast and George P. Ingersoll
FS
Fact Sheet 2011-3084
Response of lake chemistry to atmospheric deposition and climate in selected Class I wilderness areas in the western United States, 1993-2009
By M. Alisa Mast
PP
Professional Paper 1770
Groundwater Availability of the Denver Basin Aquifer System, Colorado
By Suzanne S. Paschke
FS
Fact Sheet 2011-3095
Evaluation of Fecal Contamination by Human and Ruminant Sources in Upper Fountain Creek, Colorado, 2007–2008, By Using Multiple Lines of Evidence
By Donald Stoeckel
FS
Fact Sheet 2011-3104
Application of the SPARROW Watershed Model to Describe Nutrient Sources and Transport in the Missouri River Basin
By Juliane B. Brown
SIR
U.S. Geological Survey Scientific Investigations Report 2011-5085
Hydrogeologic Setting and Simulation of Groundwater Flow near the Canterbury and Leadville Mine Drainage Tunnels, Leadville, Colorado
By Tristan P. Wellman, Suzanne S. Paschke, Burke Minsley, and Jean A. Dupree
SIR
U.S. Geological Survey Scientific Investigations Report 2011-5106
Characterization of Salinity and Selenium Loading and Land-Use Change in Montrose Arroyo, Western Colorado, from 1992 to 2010
By Jennifer L. Moore
OFR
Open-File Report 2011-1248
Probability and Volume of Potential Postwildfire Debris Flows in the 2011 Indian Gulch Burn Area, near Golden, Colorado
By Barbara C. Ruddy
OFR
Open-File Report 2011-1213
MODFLOW-CDSS, a Version of MODFLOW-2005 with Modifications for Colorado Decision Support Systems
By Edward R. Banta
SIR
U.S. Geological Survey Scientific Investigations Report 2011-5075
Assessment of Surface-Water Quantity and Quality, Eagle River Watershed, Colorado, 1947-2007
By Cory A. Williams, Jennifer L. Moore, and Rodney J. Richards
JRN
Water Research
Semi-quantitative evaluation of fecal contamination potential by human and ruminant sources using multiple lines of evidence
By Donald M. Stoeckel, Erin A. Stelzer, Robert W. Stogner, and David P. Mau
PDF ( 0 KB) | Online Journal Article
OFR
Open-File Report 2011-1159
Spring Runoff Water-Chemistry Data from the Standard Mine and Elk Creek, Gunnison County, Colorado, 2010
By Andrew H. Manning, Philip L. Verplanck, M. Alisa Mast, Joseph Marsik, and R. Blaine McCleskey
OFR
Open-File Report 2011-1214
Probability and Volume of Potential Postwildfire Debris Flows in the 2011 Wallow Burn Area, Eastern Arizona
By Barbara C. Ruddy
OFR
Open-File Report 2011-1197
Probability and volume of potential postwildfire debris flows in the 2011 Horseshoe II burn area, southeastern Arizona
By Barbara C. Ruddy
JRN
Environmental Science and Technology
Nitrate in the Mississippi River and Its Tributaries, 1980 to 2008: Are We Making Progress?
By Lori A. Sprague, Robert M. Hirsch, and Brent T. Aulenbach
PDF ( 0 KB) | Online Journal Article
OFR
Open-File Report 2011-1181
Probability and Volume of Potential Postwildfire Debris Flows in the 2011 Monument Burn Area, Southeastern Arizona
By Barbara C. Ruddy and Kristine L. Verdin
DS
Data Series 589
Biosolids, crop, and groundwater data for a biosolids-Application area near Deer Trail, Colorado, 2007 and 2008
By Yager, T.J.B., Smith, D.B., and Crock, J.G.
OFR
Open-File Report 2011-1146
Analytical Results for Municipal Biosolids Samples from a Monitoring Program Near Deer Trail, Colorado (U.S.A.), 2010
By J.G. Crock, D.B. Smith, T.J.B. Yager, C.J. Berry, and M.G. Adams
SIR
U.S. Geological Survey Scientific Investigations Report 2011-5047
Estimated probabilities, volumes, and inundation areas depths of potential postwildfire debris flows from Carbonate, Slate, Raspberry, and Milton Creeks, near Marble, Gunnison County, Colorado
By Michael R. Stevens, Jennifer L. Flynn, Verlin C. Stephens, and Kristine L. Verdin
JRN
Earth Interactions
Simulating the Potential Effects of Climate Change in Two Colorado Basins and at Two Colorado Ski Areas
By William Battaglin, Lauren Hay and Steve Markstrom
PDF ( 0 KB) | Online Journal Article
SIR
U.S. Geological Survey Scientific Investigations Report 2011-5039
Estimated Probabilities and Volumes of Postwildfire Debris Flows, a Prewildfire Evaluation for the Upper Blue River Watershed, Summit County, Colorado
By John G. Elliott, Jennifer L. Flynn, Clifford R. Bossong, and Stephen J. Char
TM
Techniques and Methods 6-E4
ModelMate-A Graphical User Interface for Model Analysis
By Edward R. Banta
JRN
Applied Geochemistry
Responses of soil and water chemistry to mountain pine beetle induced tree mortality in Grand County, Colorado, USA
By David W. Clow, Charles Rhoades, Jennifer Briggs, Megan Caldwell, William M. Lewis Jr.
PDF ( 0 KB) | Online Journal Article
DS
Data Series 570
Rocky Mountain Snowpack Physical and Chemical Data for Selected Sites, 2010
By George P. Ingersoll, M. Alisa Mast, James M. Swank, and Chelsea D. Campbell
JRN
HydroGeology Journal
A comparison of recharge rates in aquifers of the United States based on groundwater-age data
By McMahon, PB, LN Plummer, JK Bohlke, SD Shapiro, and SR Hinkle
PDF ( 0 KB) | Online Journal Article
JRN
Environmental Monitoring and Assessment
Assessing possible visitor-use impacts on water quality in Yosemite National Park, California
By David W. Clow,Rachael S. Peavler, Jim Roche,Anna K. Panorska, James M. Thomas, Steve Smith
PDF ( 0 KB) | Online Journal Article
OFR
Open-File Report 2011-1024
Well Installation, Single-Well Testing, and Particle-Size Analysis for Selected Sites in and near the Lost Creek Designated Ground Water Basin, North-Central Colorado, 2003-2004
By Jennifer A. Beck, Suzanne S. Paschke, and L. Rick Arnold
JRN
Biogeochemistry
Response of lake chemistry to changes in atmospheric deposition and climate in three high-elevation wilderness areas of Colorado
By Mast, M. Alisa , Turk, John T., Clow, David W., and Campbell, Donald H.
PDF ( 0 KB) | Online Journal Article
SIR
U.S. Geological Survey Scientific Investigations Report 2011-5001
Estimates of Deep-Percolation Return Flow Beneath a Flood- and a Sprinkler-Irrigated Site in Weld County, Colorado, 2008-2009
By L.R. Arnold
2010
CIRC
Circular 1350
Nutrients in the Nation's Streams and Groundwater, 1992-2004
By Neil M. Dubrovsky, Karen R. Burow, Gregory M. Clark, Jo Ann M. Gronberg, Pixie A. Hamilton, Kerie J. Hitt, David K. Mueller, Mark D. Munn, Bernard T. Nolan, Larry J. Puckett, Michael G. Rupert, Terry M. Short, Norman E. Spahr, Lori A. Sprague, and William G. Wilber
SIR
U.S. Geological Survey Scientific Investigations Report 2010-5183
Simulation of Hydraulic Conditions and Observed and Potential Geomorphic Changes in a Reconfigured Reach of Muddy Creek, North-Central Colorado, 2001-2008
By J.G. Elliott, K.R. Schaffrath, R.R. McDonald, C.A. Williams, and K.C. Davis
American Society of Agriculture and Biological Engineers
Agricultural Herbicide Transport in a First-Order Intermittent Stream, Nebraska, USA
By J.R. Vogel, J. I. Linard
PDF ( 0 KB) | Online Journal Article
SIR
U.S. Geological Survey Scientific Investigations Report 2010-5215
Use of Diverse Geochemical Data Sets to Determine Sources and Sinks of Nitrate and Methane in Groundwater, Garfield County, Colorado, 2009
By P.B. McMahon, J.C. Thomas, and A.G. Hunt
SIR
U.S. Geological Survey Scientific Investigations Report 2010-5218
Characterization of Hydrology and Salinity in the Dolores Project Area, McElmo Creek Region, Southwest Colorado, Water Years 1978-2006
By Rodney J. Richards and Kenneth J. Leib
SIR
U.S. Geological Survey Scientific Investigations Report 2010-5198
Streamflow Gain-Loss Characteristics of Elkhead Creek Downstream from Elkhead Reservoir near Craig, Colorado, 2009
By Barbara C. Ruddy
JRN
Water Resources Research
Influence of hummocks and emergent vegetation on hydraulic performance in a surface flow wastewater treatment wetland: Water Resources Research, vol. 46, W11518, doi:10.1029/2010WR009512
By Keefe, S. H., Daniels (Thullen), J.S., Runkel, R.L., Wass,R.D., Stiles, E.A., and Barber, L.B.
PDF ( 0 KB) | Online Journal Article
DS
Data Series 543
Digital map of the aquifer boundary of the High Plains aquifer in parts of Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming
By Sharon Qi
JRN
Journal of Hydrology
The importance of the riparian zone and in-stream processes in nitrate attenuation in undisturbed and agricultural watersheds - A review of the scientific literature
By Anthony J. Ranalli, Donald L. Macalady
PDF ( 0 KB) | Online Journal Article
JRN
Water, Air and Soil Pollution
Occurrence of azoxystrobin, propiconazole, and selected other fungicides in US streams, 2005-2006
By Battaglin, W.A., Sandstrom, M.W., Kuivila, K.M., Kolpin, D.W., and Meyer, M.T.
PDF ( 0 KB) | Online Journal Article
DS
Data Series 498
Rocky Mountain Snowpack Physical and Chemical Data for Selected Sites, 2009
By George P. Ingersoll, M. Alisa Mast, James M. Swank, and Chelsea D. Campbell
OFR
Open-File Report 2010-1244
Probability and volume of potential postwildfire debris flows in the 2010 Fourmile burn area, Boulder County, Colorado
By Barbara C. Ruddy, Michael R. Stevens, Kristine L. Verdin, and John G. Elliott
OFR
Open-File Report 2010-1162
Analytical Results for Municipal Biosolids Samples from a Monitoring Program Near Deer Trail, Colorado (U.S.A.), 2009
By J.G. Crock, D.B. Smith, T.J.B. Yager, C.J. Berry, and M.G. Adams
JRN
Water Resources Research
Use of regression-based models to map sensitivity of aquatic resources to atmospheric deposition in Yosemite National Park, USA, Water Resour. Res., 46, W09529, doi:10.1029/2009WR008316.
By Clow, D. W., L. Nanus, and B. Huggett
PDF ( 0 KB) | Online Journal Article
Data Series 507
Geographic Information System Datasets of Regolith-Thickness Data, Regolith-Thickness Contours, Raster-Based Regolith Thickness, and Aquifer-Test and Specific-Capacity Data for the Lost Creek Designated Ground Water Basin, Weld, Adams, and Arapahoe Counties, Colorado
By L. Rick Arnold
DS
Data Series 502
Macroinvertebrate and Algal Community Sample Collection Methods and Data Collected at Selected Sites in the Eagle River Watershed, Colorado, 2000 - 2007
By Robert E. Zuellig and James F. Bruce
SIR
U.S. Geological Survey Scientific Investigations Report 2010-5148
Macroinvertebrate-Based Assessment of Biological Condition at Selected Sites in the Eagle River Watershed, Colorado, 2000-07
By Robert E. Zuellig, James F. Bruce, Brian D. Healy, and Cory A. Williams
SIR
U.S. Geological Survey Scientific Investigations Report 2010-5103
Temporal Change in Biological Community Structure in the Fountain Creek Basin, Colorado, 2001-2008
By Robert E. Zuellig, James F. Bruce, and Robert W. Stogner
SIR
U.S. Geological Survey Scientific Investigations Report 2010-5082
Hydrogeology and Steady-State Numerical Simulation of Groundwater Flow in the Lost Creek Designated Ground Water Basin, Weld, Adams, and Arapahoe Counties, Colorado
By L. Rick Arnold
SIR
Scientific Investigations Report 2010-5069
Occurrence and Distribution of Dissolved Solids, Selenium, and Uranium in Groundwater and Surface Water in the Arkansas River Basin from the Headwaters to Coolidge, Kansas, 1970-2009
By Lisa D. Miller, Kenneth R. Watts, Roderick F. Ortiz, and Tamara Ivahnenko
JRN
Environmental Earth Sciences
Evaluating remediation alternatives for mine drainage, Little Cottonwood Creek, Utah, USA
By Briant A. Kimball and Robert L. Runkel
PDF ( 0 KB) | Online Journal Article
JRN
Applied Geochemistry
An approach to quantify sources, seasonal change, and biogeochemical processes affecting metal loading in streams: Facilitating decisions for remediation of mine drainage
By Briant A. Kimball, Robert L. Runkel, and Katherine Walton-Day
PDF ( 0 KB) | Online Journal Article
SIR
Scientific Investigations Report 2010-5019
Land-Use Analysis and Simulated Effects of Land-Use Change and Aggregate Mining on Groundwater Flow in the South Platte River Valley, Brighton to Fort Lupton, Colorado
By L.R. Arnold, C.S. Mladinich, W.H. Langer, and J.S. Daniels
JRN
Atmospheric Environment
Historical deposition of mercury and selected trace elements to high-elevation National Parks in the Western U.S. inferred from lake-sediment cores
By M. Alisa Mast, David J. Manthorne, and David A. Roth
PDF ( 0 KB) | Online Journal Article
JRN
Journal of Climate
Changes in the Timing of Snowmelt and Streamflow in Colorado: A Response to Recent Warming
By David W. Clow
PDF ( 0 KB) | Online Journal Article
SIR
Scientific Investigations Report 2010-5002
Estimated Withdrawals and Use of Water in Colorado, 2005
By Tamara Ivahnenko and Jennifer L. Flynn
SIR
Scientific Investigations Report 2010-5037
Comparison of Mercury in Water, Bottom Sediment, and Zooplankton in Two Front Range Reservoirs in Colorado, 2008-09
By M. Alisa Mast and David P. Krabbenhoft
SIR
Scientific Investigations Report 2009-5199
Development and Application of Regression Models for Estimating Nutrient Concentrations in Streams of the Conterminous United States, 1992-2001
By Norman E. Spahr, David K. Mueller, David M. Wolock, Kerie J. Hitt, and JoAnn M. Gronberg
SIR
Scientific Investigations Report 2009-5164
Changes in Streamflow and the Flux of Nutrients in the Mississippi-Atchafalaya River Basin, USA, 1980-2007
By William A. Battaglin, Brent T. Aulenbach, Aldo Vecchia, and Herbert T. Buxton
JRN
Chemical Geology
Mechanisms for chemostatic behavior in catchments: Implications for CO2 consumption by mineral weathering
By David W. Clow, M. Alisa Mast
PDF ( 0 KB) | Online Journal Article
SIR
Scientific Investigations Report 2009-5271
Evaluation of Streamflow Gain-Loss Characteristics of Hubbard Creek, in the Vicinity of a Mine-Permit Area, Delta County, Colorado, 2007
By Barbara C. Ruddy and Cory A. Williams
SIR
Scientific Investigations Report 2009-5048
Analysis of Dissolved Selenium Loading from Surface Water and Groundwater to Sweitzer Lake, Colorado, 2006-07
By Judith C. Thomas
2009
JRN
Geological Society of America
Geomorphic changes resulting from floods in reconfigured gravel-bed river channels in Colorado, USA
By John G Elliott and Joseph P Capesius
PDF ( 0 KB) | Online Journal Article
JRN
Applied Geochemistry
Investigating hydraulic connections and the origin of water in a mine tunel using stable isotopes and hydrographs: Applied Geochemistry, v. 24, p. 2266 - 2282
By Walton-Day, Katherine, and Poeter, Eileen
PDF ( 0 KB) | Online Journal Article
JRN
Aquatic Sciences
New light on a dark subject: On the use of fluorescence data to deduce redox states of natural organic matter (NOM): Aquatic Sciences, v. 71, p 135-143.
By Macalady, D.L., and Walton-Day, Katherine
PDF ( 0 KB)
JRN
Chemical Geology
Reactive solute-transport simulation of pre-mining metal concentrations in mine-impacted catchments: Redwell Basin, Colorado, USA
By Briant A. Kimball, Robert L. Runkel, Richard B. Wanty, and Philip L. Verplanck
PDF ( 0 KB) | Online Journal Article
DS
Data Series 462
Comparison of 2006-2007 Water Years and Historical Water-Quality Data, Upper Gunnison River Basin, Colorado
By P.A. Solberg, Bryan Moore, and Dennis Smits
SIR
Scientific Investigations Report 2009-5136
Regional Regression Equations for Estimation of Natural Streamflow Statistics in Colorado
By Joseph P. Capesius and Verlin C. Stephens
DS
Data Series 472
Depth to Water, Saturated Thickness, and Other Geospatial Datasets Used in the Design and Installation of a Groundwater Monitoring-Well Network in the High Plains Aquifer, Colorado
By Jennifer L. Flynn, L. Rick Arnold, and Suzanne S. Paschke
Data Series 461
Probability of elevated volatile organic compound (VOC) concentrations in groundwater in the Eagle River watershed valley-fill aquifer, Eagle County, North-Central Colorado, 2006-2007
By Michael G. Rupert and L. Niel Plummer
Data Series 460
Probability of unmixed young groundwater (defined using chlorofluorocarbon-11 concentrations and tritium activities) in the Eagle River watershed valley-fill aquifer, Eagle County, North-Central Colorado, 2006-2007
By Michael G. Rupert and L. Niel Plummer
Data Series 459
Probability of elevated nitrate concentrations in groundwater in the Eagle River watershed valley-fill aquifer, Eagle County, North-Central Colorado, 2006-2007
By Michael G. Rupert and L. Niel Plummer
OFR
Open-File Report 2009-1111
Analytical Results for Municipal Biosolids Samples from a Monitoring Program Near Deer Trail, Colorado (U.S.A.), 2008
By J.G. Crock, D.B. Smith, T.J.B. Yager, C.J. Berry, and M.G. Adams
Data Series 458
Boundary of the Eagle River watershed valley-fill aquifer, Eagle County, North-Central Colorado, 2006-2007
By Michael G. Rupert and L. Niel Plummer
DS
Data Series 456
Design and Installation of a Groundwater Monitoring-Well Network in the High Plains Aquifer, Colorado
By L.R. Arnold, J.L. Flynn, and S.S. Paschke
DS
Data Series 307
Data on Mercury in Water, Bed Sediment, and Fish from Streams Across the United States, 1998-2005
By Nancy J. Bauch, Lia C. Chasar, Barbara C. Scudder, Patrick W. Moran, Kerie J. Hitt, Mark E. Brigham, Michelle A. Lutz, and Dennis A. Wentz
SIR
Scientific Investigations Report 2009-5082
Groundwater Quality, Age, and Probability of Contamination, Eagle River Watershed Valley-Fill Aquifer, North-Central Colorado, 2006-2007
By Michael G. Rupert and L. Niel Plummer
TM
Techniques and Methods 11-C3
Estimating Prediction Uncertainty from Geographical Information System Raster Processing: A User's Manual for the Raster Error Propagation Tool (REPTool)
By Jason J. Gurdak, Sharon L. Qi, and Michael L. Geisler
TM
Techniques and Methods 6-A28
User Guide and Documentation for Five MODFLOW Ground-Water Modeling Utility Programs
By Edward R. Banta, Suzanne S. Paschke, and David W. Litke
TM
Techniques and Methods 6-A27
User Guide for HUFPrint, A Tabulation and Visualization Utility for the Hydrogeologic-Unit Flow (HUF) Package of MODFLOW
By Edward R. Banta and Alden M. Provost
SIR
Scientific Investigations Report 2009-5126
Identifying Hydrologic Processes in Agricultural Watersheds Using Precipitation-Runoff Models
By Joshua I. Linard, David M. Wolock, Richard M.T. Webb, and Michael E. Wieczorek
SIR
Scientific Investigations Report 2009-5083
Revised Comparisons of Simulated Hydrodynamics and Water Quality for Projected Demands in 2046, Pueblo Reservoir, Southeastern Colorado
By Roderick F. Ortiz and Lisa D. Miller
SIR
Scientific Investigations Report 2008-5243
Occurrence of Selected Organic Compounds in Groundwater Used for Public Supply in the Plio-Pleistocene Deposits in East-Central Nebraska and the Dawson and Denver Aquifers near Denver, Colorado, 2002-2004
By Jeffrey B. Bails, Benjamin J. Dietsch, Matthew K. Landon, and Suzanne S. Paschke
SIR
Scientific Investigations Report 2008-5202
Nutrient Trends in Streams and Rivers of the United States, 1993-2003
By Lori A. Sprague, David K. Mueller, Gregory E. Schwarz, and David L. Lorenz
SIR
Scientific Investigations Report 2008-5130
Review of Available Water-Quality Data for the Southern Colorado Plateau Network and Characterization of Water Quality in Five Selected Park Units in Arizona, Colorado, New Mexico, and Utah, 1925 to 2004
By Juliane B. Brown
OFR
Open-File Report 2008-1267
Estimated Colorado Golf Course Irrigation Water Use, 2005
By Tamara Ivahnenko
FS
Fact Sheet 2009-3041
Redox Conditions in Selected Principal Aquifers of the United States
By P.B. McMahon, T.K. Cowdery, F.H. Chapelle, and B.C. Jurgens
DS
Data Series 442
Geochemical Data for Upper Mineral Creek, Colorado, Under Existing Ambient Conditions and During an Experimental pH Modification, August 2005
By Robert L. Runkel, Briant A. Kimball, Judy I. Steiger, and Katherine Walton-Day
DS
Data Series 409
Summary of Fluvial Sediment Collected at Selected Sites on the Gunnison River in Colorado and the Green and Duchesne Rivers in Utah, Water Years 2005-2008
By Cory A. Williams, Steven J. Gerner, and John G. Elliott
DS
Data Series 379
Biosolids, Crop, and Ground-Water Data for a Biosolids-Application Area Near Deer Trail, Colorado, 2004 Through 2006
By Tracy J.B. Yager, David B. Smith, and James G. Crock
DS
Data Series 369
Rocky Mountain Snowpack Physical and Chemical Data for Selected Sites, 1993-2008
By George P. Ingersoll, M. Alisa Mast, Donald H. Campbell, David W. Clow, Leora Nanus, and John T. Turk
CIRC
Circular 1337
Water Quality in the High Plains Aquifer, Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming, 1999-2004
By Jason J. Gurdak, Peter B. McMahon, Kevin Dennehy, and Sharon L. Qi
CIRC
Circular 1333
Recharge Rates and Chemistry Beneath Playas of the High Plains Aquifer - A Literature Review and Synthesis
By Jason J. Gurdak and Cassia D. Roe
JRN
Applied Geochemistry
Application of iron and zinc isotopes to track the sources and mechanisms of metal loading in a mountain watershed
By David M. Borrok, Richard B. Wanty, W. Ian Ridley, Paul J. Lamothe, Briant A. Kimball, Philip L. Verplanck, and Robert L. Runkel
PDF ( 0 KB) | Online Journal Article
Environmental Monitoring and Assessment
The occurrence of glyphosate, atrazine, and other pesticides in vernal pools and adjacent streams in Washington, DC, Maryland, Iowa, and Wyoming, 2005-2006
By William A. Battaglin, Karen C. Rice, Michael J. Focazio, Sue Salmons, and Robert X. Barry
PDF ( 0 KB) | Online Journal Article
Environmental Science and Technology
Regional Nutrient Trends in Streams and Rivers of the United States,1993 - 2003
By Lori A. Sprague and David L. Lorenz
PDF ( 0 KB) | Online Journal Article
Environmental Science and Technology
Biodegradation of 17β-Estradiol, estrone and testosterone in stream sediments
By Paul M. Bradley, Larry B. Barber, Francis H. Chapelle, James L. Gray, Dana W. Kolpin, and Peter B. McMahon
PDF ( 0 KB) | Online Journal Article
Ground Water
What does "Water Quality" mean?
By Francis H. Chapelle, Paul M. Bradley, Peter B. McMahon, and Bruce D. Lindsey
PDF ( 0 KB) | Online Journal Article
Ground Water
Distinguishing Iron-Reducing from Sulfate-Reducing Conditions
By Francis H. Chapelle, Paul M. Bradley, Mary Ann Thomas, and Peter B. McMahon
PDF ( 0 KB) | Online Journal Article
Journal of American Water Resources Association
Lagrangian Sampling for Emerging Contaminants Through an Urban Stream Corridor in Colorado
By Juliane B. Brown, William A. Battaglin, and Robert E. Zuellig
PDF ( 0 KB) | Online Journal Article
Journal of American Water Resources Association
Contaminants of Emerging Concern: Introduction to a Featured Collection
By William A. Battaglin and Dana W. Kolpin
PDF ( 0 KB) | Online Journal Article
Mine Water and the Environment
Spatially Detailed Quantification of Metal Loading for Decision Making: Metal Mass Loading to American Fork and Mary Ellen Gulch, Utah
By Briant A. Kimball and Robert L. Runkel
PDF ( 0 KB) | Online Journal Article
JRN
Water Resources Research
Effects of simplifying fracture network representation on inert chemical migration in fracture-controlled aquifers
By Tristan P. Wellman Allen M. Shapiro and Mary C. Hill
PDF ( 0 KB) | Online Journal Article
2008
Hydrological Processes
Effects of 2003 wildfires on stream chemistry in Glacier National Park, Montana
By M. Alisa Mast and David W. Clow
PDF ( 0 KB) | Online Journal Article
SIR
Scientific Investigations Report 2008-5229
Comparison of Atmospheric Deposition among Three Sites In and Near the Flat Tops Wilderness Area, Colorado, 2003-2005
By George P. Ingersoll, Donald H. Campbell, and M. Alisa Mast
SIR
Scientific Investigations Report 2008-5152
Atmospheric Deposition and Surface-Water Chemistry in Mount Rainier and North Cascades National Parks, U.S.A., Water Years 2000 and 2005-2006
By David W. Clow and Donald H. Campbell
SIR
Scientific Investigations Report 2008-5134
Summary and Evaluation of the Quality of Stormwater in Denver, Colorado, October 2001 to October 2005
By Clifford R. Bossong and Andrea C. Fleming
SIR
Scientific Investigations Report 2008-5111
Temporal and Spatial Variations in Precipitation, Streamflow, Suspended-Sediment Loads and Yields, and Land-Condition Trend Analysis at the U.S. Army Piñon Canyon Maneuver Site, Las Animas County, Colorado, 1983 through 2007
By M.R. Stevens, J.A. Dupree, and J.M. Kuzmiak
SIR
Scientific Investigations Report 2008-5086
Estimating the effects of conversion of agricultural land to urban land on deep percolation of irrigation water in the Grand Valley, western Colorado
By John W. Mayo
SIR
Scientific Investigations Report 2008-5079
Comparisons of Simulated Hydrodynamics and Water Quality for Projected Demands in 2046, Pueblo Reservoir, Southeastern Colorado
By Roderick F. Ortiz, Joel M. Galloway, Lisa D. Miller, and David P. Mau
SIR
Scientific Investigations Report 2008-5056
Simulation of Hydrodynamics and Water Quality in Pueblo Reservoir, Southeastern Colorado, for 1985 through 1987 and 1999 through 2002
By Joel M. Galloway, Roderick F. Ortiz, Jerad D. Bales, and David P. Mau
SIR
Scientific Investigations Report 2008-5036
Concentrations and Loads of Selenium in Selected Tributaries to the Colorado River in the Grand Valley, Western Colorado, 2004-2006
By Kenneth J. Leib
SIR
Scientific Investigations Report 2008-5020
Availability, Sustainability, and Suitability of Ground Water, Rogers Mesa, Delta County, Colorado - Types of Analyses and Data for Use in Subdivision Water-Supply Reports
By Kenneth R. Watts
SIR
Scientific Investigations Report 2008-5016
Occurrence of Chlorothalonil, Its Transformation Products, and Selected Other Pesticides in Texas and Oklahoma Streams, 2003-2004
By William A. Battaglin, Kathryn Kuivila, Kim Winton, and Michael Meyer
SIR
Scientific Investigations Report 2007-5236
Evaluation of the Acoustic Doppler Velocity Meter for Computation of Discharge Records at Three Sites in Colorado, 2004-2005
By Michael R. Stevens, Paul Diaz, and Dennis E. Smits
SIM
Scientific Investigations Map 3009
Estimated Probability of Post-Wildfire Debris-Flow Occurrence and Estimated Volume of Debris Flows from a Pre-Fire Analysis in the Three Lakes Watershed, Grand County, Colorado
By Michael R. Stevens, Clifford R. Bossong, David W. Litke, Roland J. Viger, Michael G. Rupert, and Stephen J. Char
OFR
Open-File Report 2008-1370
Using Logistic Regression to Predict the Probability of Debris Flows in Areas Burned by Wildfires, Southern California, 2003-2006
By Michael G. Rupert, Susan H. Cannon, Joseph E. Gartner, John A. Michael, and Dennis R. Helsel
OFR
Open-File Report 2008-1172
Analytical Results for Municipal Biosolids Samples from a Monitoring Program Near Deer Trail, Colorado (USA), 1999 through 2006
By J. G. Crock, D. B. Smith, T. J. B. Yager, Z. A. Brown, and M.G. Adams
OFR
Open-File Report 2007-1002G
Rainfall-Runoff and Erosion Data from the Mancos Shale Formation in the Gunnison Gorge National Conservation Area, Southwestern Colorado, 2003-2006
By John G. Elliott, James R. Herring, George P. Ingersoll, John J. Kosovich, and Juli Fahy
DS
Data Series 331
Comparison of Water Years 2004-05 and Historical Water-Quality Data, Upper Gunnison River Basin, Colorado
By Norman E. Spahr, David M. Hartle, and Paul Diaz
DS
Data Series 305
Water-Quality Data Collected from Vallecito Reservoir, Its Inflows and Outflow, Southwestern Colorado, 1999-2002
By Anthony J. Ranalli
JRN
Atmospheric Environment
Trends in snowpack chemistry and comparison to National Atmospheric Deposition Program results for the Rocky Mountains, US, 1993-2004
By George P. Ingersoll, M. Alisa Mast, Donald H. Campbell, David W. Clow, Leora Nanus, John T. Turk
PDF ( 0 KB) | Online Journal Article
Computers & Geosciences
Building model analysis applications with the Joint Universal Parameter IdenTification and Evaluation of Reliability (JUPITER) API
By Edward R. Banta, Mary C. Hill, Eileen Poeter, John E. Doherty, and Justin Babendreier
PDF ( 0 KB) | Online Journal Article
Environmental Science and Technology
Evaluating Regional Patterns in Nitrate Sources to Watersheds in National Parks of the Rocky Mountains using Nitrate Isotopes
By Leora Nanus, Mark W. Williams, Donald H. Campbell, Emily M. Elliott, and Carol Kendall
PDF ( 0 KB) | Online Journal Article
Environmental Toxicology and Chemistry
Potential for 4-n-nonylphenol biodegradation in stream sediments
By Paul M. Bradley, Larry B. Barber, Dana W. Kolpin, Peter B. McMahon, and Francis H. Chapelle
PDF ( 0 KB) | Online Journal Article
Environmental Toxicology and Chemistry
Comparison of pesticide concentrations in streams at low flow in six metropolitan areas of the United States
By Lori A. Sprague and Lisa H. Nowell
PDF ( 0 KB) | Online Journal Article
Global Change Biology
Changes in dissolved organic material determine exposure of stream benthic communities to UV-B radiation and heavy metals: Implications for climate change
By William H. Clements, Marjorie L. Brooks, Donna R. Kashian, and Robert E. Zuellig
PDF ( 0 KB) | Online Journal Article
Ground Water
Redox processes and water quality of selected principal aquifer systems
By P.B. McMahon and F.H. Chapelle
PDF ( 0 KB) | Online Journal Article
Journal of Environmental Quality
Near-Decadal Changes in Nitrate and Pesticide Concentrations in the South Platte River Alluvial Aquifer, 1993 - 2004
By Suzanne S. Paschke, Keelin R. Schaffrath, and Shana L. Mashburn
PDF ( 0 KB) | Online Journal Article
Journal of Environmental Quality
Decadal-Scale Changes of Nitrate in Ground Water of the United States, 1988 - 2004
By Michael G. Rupert
PDF ( 0 KB) | Online Journal Article
Journal of the North American Benthological Society
The influence of metal exposure history and ultraviolet-B radiation on benthic communities in Colorado Rocky Mountain streams
By Robert E. Zuellig, Donna R. Kashian, Marjorie L. Brooks, Peter M. Kiffney, and William H. Clements
PDF ( 0 KB) | Online Journal Article
Science of the Total Environment
The effects of land use on fluvial sediment chemistry for the conterminous U.S. - Results from the first cycle of the NAWQA Program: Trace and major elements, phosphorus, carbon, and sulfur
By Arthur J. Horowitz and Verlin C. Stephens
PDF ( 0 KB) | Online Journal Article
Vadose Zone Journal
Susceptibility to enhanced chemical migration from depression-focused preferential flow, High Plains Aquifer
By Jason J. Gurdak, Michelle A. Walvoord, and Peter B. McMahon
PDF ( 0 KB) | Online Journal Article
JRN
Water Resources Research
Tracer gage: an automated dye-dilution gaging system for ice-affected streams
By David W. Clow and Andrea C. Fleming
PDF ( 0 KB) | Online Journal Article
JRN
Water Resources Research
Source and transport controls on the movement of nitrate to public supply wells in selected principal aquifers of the United States
By P.B. McMahon, J.K. Böhlke, L.J. Kauffman, K.L. Kipp, M.K. Landon, C.A. Crandall, K.R. Burow, and C.J. Brown
PDF ( 0 KB) | Online Journal Article
JRN
Water Resources Research
Simulated response of water quality in public supply wells to land use change
By P. B. McMahon, K. R. Burow, L. J. Kauffman, S. M. Eberts, J. K. Böhlke, and J. J. Gurdak
PDF ( 0 KB) | Online Journal Article
2007
PP
Professional Paper 1651
Integrated Investigations of Environmental Effects of Historical Mining in the Animas River Watershed, San Juan County, Colorado
By Edited by: Stanley E. Church, Paul Von Guerard, and Susan E. Finger. Authors include: M.A. Mast, K.J. Leib, J.G. Elliott, R.L. Runkel, K. Walton-Day, S.S. Paschke
SIR
Scientific Investigations Report 07-5288
Salinity Trends in the Upper Colorado River Basin Upstream From the Grand Valley Salinity Control Unit, Colorado, 1986-2003
By Kenneth J. Leib and Nancy Bauch
SIR
Scientific Investigations Report 07-5287
Analysis of Dissolved Selenium Loading for Selected Sites in the Lower Gunnison River Basin, Colorado, 1978-2005
By Judith C. Thomas, Kenneth J. Leib, and John W. Mayo
SIR
Scientific Investigations Report 07-5225
Urban-related environmental variables and their relation with patterns in biological community structure in the Fountain Creek Basin, Colorado, 2003-2005
By Robert E. Zuellig, James F. Bruce, Erin E. Evans, and Robert W. Stogner
SIR
Scientific Investigations Report 07-5220
Ground-Water Quality and Potential Effects of Individual Sewage Disposal System Effluent on Ground-Water Quality in Park County, Colorado, 2001-2004
By Lisa D. Miller and Roderick F. Ortiz
SIR
Scientific Investigations Report 07-5147
Assessment of Historical Water-Quality Data for National Park Units in the Rocky Mountain Network, Colorado and Montana, through 2004
By M. Alisa Mast
SIR
Scientific Investigations Report 07-5104
Characterization of Stormflows and Wastewater Treatment-Plant Effluent Discharges on Water Quality, Suspended Sediment, and Stream Morphology for Fountain and Monument Creek Watersheds, Colorado, 1981-2006
By David P. Mau, Robert W. Stogner, Sr., and Patrick Edelmann
SIR
Scientific Investigations Report 07-5083
Response of Stream Chemistry During Base Flow to Gradients of Urbanization in Selected Locations Across the Conterminous United States, 2002-04
By Lori A. Sprague, Douglas A. Harned, David W. Hall, Lisa H. Nowell, Nancy J. Bauch, and Kevin D. Richards
SIR
Scientific Investigations Report 07-5028
Description and User Manual for a Web-Based Interface to a Transit-Loss Accounting Program for Monument and Fountain Creeks, El Paso and Pueblo Counties, Colorado
By Gerhard Kuhn, Gary S. Krammes, and Vivian J. Beal
SIR
Scientific Investigations Report 07-5019
Selenium and Mercury Concentrations in Fish, Wolford Mountain Reservoir, Colorado, 2005
By Nancy J. Bauch
SIR
Scientific Investigations Report 07-5018
Selenium and other elements in water and adjacent rock and sediment of Toll Gate Creek, Aurora, Arapahoe County, Colorado, December 2003 through March 2004
By J.R. Herring and Katherine Walton-Day
PP
Professional Paper 1737-A
Hydrogeologic Settings and Ground-Water Flow Simulations for Regional Studies of the Transport of Anthropogenic and Natural Contaminants to Public-Supply Wells Studies Begun in 2001
By Edited Suzanne S. Paschke
OFR
Open-File Report 2007-1045
Rocky Mountain Snowpack Chemistry at Selected Sites, 2004
By George P. Ingersoll, M. Alisa Mast, Leora Nanus, Heather H. Handran, David J. Manthorne, and Douglas M. Hultstrand
OFR
Open-File Report 2007-1002D
Results of Chemical Analyses of Soil, Shale, and Soil/Shale Extract from the Mancos Shale Formation in the Gunnison Gorge National Conservation Area, Southwestern Colorado, and at Hanksville, Utah
By Michele L.W. Tuttle, Juli Fahy, Richard I. Grauch, Bridget A. Ball, Geneva W. Chong, John G. Elliott, John J. Kosovich, Keith E. Livo, and Lisa L. Stillings
FS
Fact Sheet 2007-3036
Post-wildfire hydrologic hazards in the wildland urban interface of Colorado and the Western United States
By M.R. Stevens, C.R. Bossong, M.G. Rupert, A.J. Ranalli, E.W. Cassidy, and A.D. Druliner
DS
Data Series 253
Aquatic Communities and Selected Water Chemistry in St. Vrain Creek near the City of Longmont, Colorado,Wastewater-Treatment Plant, 2005 and 2006
By Robert E. Zuellig, Lori A Sprague, Jim A. Collins, and Oliver N. Cox
JRN
Applied Geochemistry
Formation of mixed Al-Fe colloidal sorbent and dissolved-colloidal partitioning of Cu and Zn in the Cement Creek - Animas River Confluence, Silverton, Colorado
By Laurence E. Schemel, Briant A. Kimball, Robert L. Runkel, and Marisa H. Cox
PDF ( 0 KB) | Online Journal Article
JRN
Applied Geochemistry
A simulation-based approach for estimating premining water quality: Red Mountain Creek, Colorado
By Robert L. Runkel, Briant A. Kimball, Katherine Walton-Day, and Philip L. Verplanck
PDF ( 0 KB) | Online Journal Article
Archives of Environmental Contamination and Toxicology
Current-Use Pesticides and Organochlorine Compounds in Precipitation and Lake Sediment from Two High-Elevation National Parks in the Western United States
By M.A. Mast, W.T. Foreman, and S.V. Skaates
PDF ( 0 KB) | Online Journal Article
Environmental Toxicology and Chemistry
Biotransformation of caffeine, cotinine, and nicotine in stream sediments: Implications for use as wastewater indicators
By Paul M. Bradley , Larry B. Barber, Dana W. Kolpin, Peter B. McMahon, Francis H. Chapelle
PDF ( 0 KB) | Online Journal Article
Limnology and Oceanography: Methods
Toward a transport-based analysis of nutrient spiraling and uptake in streams
By Robert L. Runkel
PDF ( 0 KB) | Online Journal Article
Mine Water and the Environment
Quantification of Changes in Metal Loading from Storm Runoff, Merse River (Tuscany, Italy)
By Briant A. Kimball, Francesco Bianchi, Katherine Walton-Day, Robert L. Runkel, Marco Nannucci, and Andrea Salvadori
PDF ( 0 KB) | Online Journal Article
Vadose Zone Journal
Climate variability controls on unsaturated-zone water and chemical movement, High Plains aquifer
By Jason J. Gurdak, Randall T. Hanson, Peter B. McMahon, Breton W. Bruce, John E. McCray, Geoffrey D. Thyne, and Robert C. Reedy
PDF ( 0 KB) | Online Journal Article
Vadose Zone Journal
Nitrous Oxide Fluxes from Cultivated Areas and Rangeland: U.S. High Plains
By Edwin P. Weeks and Peter B. McMahon
PDF ( 0 KB)
Water Resources IMPACT
Striving for collaborative science and communication through the Consortium for Research and Education on Emerging Contaminants (CREEC)
By Juliane B. Brown and William A. Battaglin
PDF ( 0 KB) | Online Journal Article
2006
SIR
Scientific Investigations Report 06-5322
Effect of Drought on Streamflow and Stream-Water Quality in Colorado, July through September 2002
By Daniel T. Chafin and A. Douglas Druliner
SIR
Scientific Investigations Report 06-5315
Dissolved Solids in Basin-Fill Aquifers and Streams in the Southwestern United States
By David W. Anning, Nancy J. Bauch, Steven J. Gerner, Marilyn E. Flynn, Scott N. Hamlin, Stephanie J. Moore, Donald H. Schaefer, Scott K. Anderholm, and Lawrence E. Spangler
SIR
Scientific Investigations Report 06-5265
Sedimentation in Goose Pasture Tarn, 1965-2005, Breckenridge, Colorado
By John G. Elliott, Stephen J. Char, Samuel M. Linhart, V. Cory Stephens, and Gregory B. O'Neill
SIR
Scientific Investigations Report 06-5231
Nutrient and Suspended-Sediment Trends in the Missouri River Basin, 1993-2003
By Lori A. Sprague, Melanie L. Clark, David L. Rus, Ronald B. Zelt, Jennifer L. Flynn, and Jerri V. Davis
SIR
Scientific Investigations Report 06-5184
Application of a stream-aquifer model to Monument Creek for Development of a method to estimate transit losses for reusable water, El Paso County, Colorado
By Gerhard Kuhn and Rick Arnold
SIR
Scientific Investigations Report 06-5164
Losses and Gains for Eight Unlined Canals Along the Purgatoire River near Trinidad, Colorado, 2000-2004
By Lisa D. Miller
SIR
Scientific Investigations Report 06-5129
Hydrostratigraphic Framework of the Raton, Vermejo, and Trinidad Aquifers in the Raton Basin, Las Animas County, Colorado
By Kenneth R. Watts
SIR
Scientific Investigations Report 06-5109
A Preliminary Evaluation of Vertical Separation between Production Intervals of Coalbed-Methane Wells and Water-Supply Wells in the Raton Basin, Huerfano and Las Animas Counties, Colorado, 1999-2004
By Kenneth R. Watts
SIR
Scientific Investigations Report 06-5107
Nutrients in streams and rivers across the Nation - 1992-2001
By David K. Mueller and Norman E. Spahr
SIR
Scientific Investigations Report 06-5050
Vulnerability of Recently Recharged Ground Water in the High Plains Aquifer to Nitrate Contamination
By Jason J. Gurdak and Sharon L. Qi
SIR
Scientific Investigations Report 06-5012
County-Level Estimates of Nutrient Inputs to the Land Surface of the Conterminous United States, 1982-2001
By Barbara C. Ruddy, David L. Lorenz, and David K. Mueller
FS
Fact Sheet 2006-3083
Effects of Urban Development on Stream Ecosystems along the Front Range of the Rocky Mountains, Colorado and Wyoming
By Lori A. Sprague, Robert E. Zuellig, and Jean A. Dupree
DS
Data Series 183
An Annotated List of the Mayflies, Stoneflies, and Caddisflies of the Sand Creek Basin, Great Sand Dunes National Park and Preserve, Colorado, 2004 and 2005
By Robert E. Zuellig, Boris C. Kondratieff, David E. Ruiter, and Richard A. Thorp
SIR
Scientific Investigations Report 06-5119
Organochlorine Compounds and Current-Use Pesticides in Snow and Lake Sediment in Rocky Mountain National Park, Colorado, and Glacier National Park, Montana, 2002-03
By M. Alisa Mast, William T. Foreman, and Serena V. Skaates
SIR
Scientific Investigations Report 06-5101A
Effects of Urbanization on Stream Ecosystems in the South Platte River Basin, Colorado and Wyoming
By Lori A. Sprague, Robert E. Zuellig, and Jean A. Dupree
Environmental Science and Technology
Regional patterns in the isotopic composition of natural and anthropogenic nitrate in ground water
By P.B. McMahon and J.K. Böhlke
PDF ( 0 KB) | Online Journal Article
Environmental Science and Technology
Hyporheic Exchange and Fulvic Acid Redox Reactions in an Alpine Stream/Wetland Ecosystem, Colorado Front Range
By Matthew P. Miller, Diane M. McKnight, Rose M. Cory, Mark W. Williams, and Robert L. Runkel
PDF ( 0 KB) | Online Journal Article
JRN
Water Resources Research
Storage and transit time of chemicals in thick unsaturated zones under rangeland and irrigated cropland, High Plains, United States
By P.B. McMahon, K.F. Dennehy, B.W. Bruce, J.K. Böhlke, R.L. Michel, J.J. Gurdak, and D.B. Hurlbut
PDF ( 0 KB) | Online Journal Article
2005
TM
Techniques and Methods 4-A5
Load Estimator (LOADEST): A FORTRAN Program for Estimating Constituent Loads in Streams and Rivers
By Robert L. Runkel, Charles G. Crawford, and Timothy A. Cohn
SIR
Scientific Investigations Report 05-5236
Proceedings of the U.S. Geological Survey Fifth Biennial Geographic Information Science Workshop: March 1-5, 2004, Denver, Colorado
By Stephen J. Char and Jennifer B. Sieverling, Editors
SIR
Scientific Investigations Report 05-5214
Surface Water-Quality and Water-Quantity Data from Selected Urban Runoff-Monitoring Sites at the Rocky Mountain Arsenal, Commerce City, Colorado, Water Years 1988-2004
By John D. Gordon, Donald E. Schild, Joseph P. Capesius, and Cecil B. Slaughter
SIR
Scientific Investigations Report 05-5179
Hydrogeology and Quality of Ground Water in the Upper Arkansas River Basin from Buena Vista to Salida, Colorado, 2000-2003
By Kenneth R. Watts
SIR
Scientific Investigations Report 05-5174
Historical Perspective of Statewide Streamflows During the 2002 and 1977 Droughts in Colorado
By Gerhard Kuhn
SIR
Scientific Investigations Report 05-5167
Effects of Emission Reductions at the Hayden Powerplant on Precipitation, Snowpack, and Surface-Water Chemistry in the Mount Zirkel Wilderness Area, Colorado, 1995-2003
By M. Alisa Mast, Donald H. Campbell, and George P. Ingersoll
SIR
Scientific Investigations Report 05-5151
Mass Loading of Selected Major and Trace Elements in Lake Fork Creek near Leadville, Colorado, September-October 2001
By Katherine Walton-Day, Jennifer L. Flynn, Briant A. Kimball, and Robert L. Runkel
SIR
Scientific Investigations Report 05-5117
Proceedings of the U.S. Geological Survey Fourth Biennial Geographic Information Science Workshop: Denver, Colorado, April 23-27, 2001
By Jennifer B. Sieverling, Stephen J. Char, and Carma A. San Juan
SIR
Scientific Investigations Report 05-5106
Quality of Nutrient Data from Streams and Ground Water Sampled During Water Years 1992-2001
By David K. Mueller and Cindy J. Titus
SIR
Scientific Investigations Report 05-5101
Geochemistry of Red Mountain Creek, Colorado, Under Low-Flow Conditions, August 2002
By Robert L. Runkel, Briant A. Kimball, Katherine Walton-Day, and Philip L. Verplanck
SIR
Scientific Investigations Report 05-5063
Variability of Differences between Two Approaches for Determining Ground-Water Discharge and Pumpage, Including Effects of Time Trends, Lower Arkansas River Basin, Southeastern Colorado, 1998-2002
By Brent M. Troutman, Patrick Edelmann, and Russell G. Dash
SIR
Scientific Investigations Report 05-5054
Quantification and Simulation of Metal Loading to the Upper Animas River, Eureka to Silverton, San Juan County, Colorado, September 1997 and August 1998
By Suzanne S. Paschke, Briant A. Kimball, and Robert L. Runkel
SIR
Scientific Investigations Report 05-5023
Sensitivity of Alpine and Subalpine Lakes to Acidification from Atmospheric Deposition in Grand Teton National Park and Yellowstone National Park, Wyoming
By Leora Nanus, Donald H. Campbell, and Mark W. Williams
SIR
Scientific Investigations Report 05-5018
Using Tracers to Evaluate Streamflow Gain-Loss Characteristics of Terror Creek, in the Vicinity of a Mine-Permit Area, Delta County, Colorado, Water Year 2003
By Cory A. Williams and Kenneth J. Leib
OFR
Open-File Report 2005-1332
Rocky Mountain Snowpack Chemistry at Selected Sites, 2003
By George P. Ingersoll, M. Alisa Mast, Leora Nanus, David J. Manthorne, Heather H. Handran, Douglas M. Hulstrand, and Jesse Winterringer
FS
Fact Sheet 2005-3143
Sustainability of Ground-Water Resources in the Upper Arkansas River Basin between Buena Vista and Salida, Colorado, 2000-2003
By K.R. Watts
FS
Fact Sheet 2005-3037
The Cache la Poudre River, Colorado, as a Drinking-Water Source
By Jim A. Collins and Lori A. Sprague
FS
Fact Sheet 2005-3031
Simulated Effects of the Proposed Sulphur Gulch Reservoir Operations on Colorado River Quantity and Quality
By M.J. Friedel
DS
Data Series 152
Water-quality, streamflow, and ancillary data for nutrients in streams and rivers across the Nation, 1992-2001
By D.K. Mueller and N.E. Spahr
SIR
Scientific Investigations Report 05-5150
Summary and Evaluation of the Quality of Stormwater in Denver, Colorado, Water Years 1998-2001
By Clifford R. Bossong, Michael R. Stevens, John T. Doerfer, and Ben R. Glass
Journal of American Water Resources Association
Drought Effects on Water Quality in the South Platte River Basin, Colorado
By Lori A. Sprague
PDF ( 0 KB) | Online Journal Article
2004
SIR
Scientific Investigations Report 04-5300
Analysis and Mapping of Post-Fire Hydrologic Hazards for the 2002 Hayman, Coal Seam, and Missionary Ridge Wildfires, Colorado
By J.G. Elliott, M.E. Smith, M.J. Friedel, M.R. Stevens, C.R. Bossong, D.W. Litke, R.S. Parker, C. Costello, J. Wagner, S.J. Char, M.A. Bauer, and S.R. Wilds
SIR
Scientific Investigations Report 04-5290
Distribution and Mass of Nitrate in the Unconfined Aquifer Beneath the Intensively Cultivated Area North of the Rio Grande, San Luis Valley, Colorado, 1997 through 2001
By Robert W. Stogner, Sr
SIR
Scientific Investigations Report 04-5289
Effects of Surface Applications of Biosolids on Soil, Crops, Ground Water, and Streambed Sediment near Deer Trail, Colorado, 1999-2003
By Tracy J.B. Yager, David B. Smith, and James G. Crock
SIR
Scientific Investigations Report 04-5281
Characterization of Water Quality in Government Highline Canal at Camp 7 Diversion and Highline Lake, Mesa County, Colorado, July 2000 through September 2003
By Roderick F. Ortiz
SIR
Scientific Investigations Report 04-5164
Using the Tracer-Dilution Discharge Method to Develop Streamflow Records for Ice-Affected Streams in Colorado
By Joseph P. Capesius, Joseph R. Sullivan, Gregory B. O'Neill, and Cory A. Williams
OFR
Open-File Report 2004-1404
Biosolids, Soil, Crop, Ground-Water, and Streambed-Sediment Data for a Biosolids-Application Area Near Deer Trail, Colorado, 2002-2003
By Tracy J.B. Yager, David B. Smith, and James G. Crock
OFR
Open-File Report 2004-1388
Biosolids, Soil, Crop, Ground-Water, and Streambed-Sediment Data for a Biosolids-Application Area Near Deer Trail, Colorado, 2001
By Tracy J.B. Yager, David B. Smith, and James G. Crock
OFR
Open-File Report 2004-1027
Rocky Mountain Snowpack Chemistry at Selected Sites, 2002
By Ingersoll and others
FS
Fact Sheet 2004-3127
Wastewater Chemicals in Colorado's Streams and Ground Water
By Lori A. Sprague and William A. Battaglin
FS
Fact Sheet 2004-3097
Water-Level Changes in the High Plains Aquifer, Predevelopment to 2003 and 2002 to 2003
By V.L. McGuire
FS
Fact Sheet 2004-3066
Ground-Water Quality of Granitic- and Volcanic-Rock Aquifers in Southeastern Park County, Colorado, July-August 2003
By Roderick F. Ortiz
FS
Fact Sheet 2004-3065
Ground-Water Quality of Alluvial and Sedimentary-Rock Aquifers in the Vicinity of Fairplay and Alma, Park County, Colorado, September-October 2002
By Roderick F. Ortiz
FS
Fact Sheet 2004-3051
Ground-Water Age and Flow at Great Sand Dunes National Monument, South-Central Colorado
By Michael G. Rupert and L. Niel Plummer
FS
Fact Sheet 2004-3009
Potential Effects of Individual Sewage Disposal System Density on Ground-Water Quality in the Fractured-Rock Aquifer in the Vicinity of Bailey, Park County, Colorado, 2001-2002
By Daniel L. Brendle
SIR
Scientific Investigations Report 04-5253
Probable Effects of the Proposed Sulphur Gulch Reservoir on Colorado River Quantity and Quality near Grand Junction, Colorado
By M.J. Friedel
SIR
Scientific Investigations Report 04-5242
Summary of Sediment Data from the Yampa River and Upper Green River Basins, Colorado and Utah, 1993-2002
By John G. Elliott and Steven P. Anders
SIR
Scientific Investigations Report 04-5095
Evaluation of Streamflow Losses Along the Gunnison River from Whitewater Downstream to the Redlands Canal Diversion Dam, near Grand Junction, Colorado, Water Years 1995-2003
By Gerhard Kuhn and Cory A. Williams
SIR
Scientific Investigations Report 04-5024
Methods to Identify Changes in Background Water-Quality Conditions Using Dissolved-Solids Concentrations and Loads as Indicators, Arkansas River and Fountain Creek, in the Vicinity of Pueblo, Colorado
By Roderick F. Ortiz
2003
WRI
Water-Resources Investigations Report 03-4275
Water-Quality Characteristics and Ground-Water Quantity of the Fraser River Watershed, Grand County, Colorado, 1998-2001
By Nancy J. Bauch and Jeffrey B. Bails
WRI
Water-Resources Investigations Report 03-4241
Atmospheric Deposition of Nutrients, Pesticides, and Mercury in Rocky Mountain National Park, Colorado, 2002
By M. Alisa Mast, Donald H. Campbell, George P. Ingersoll, William T. Foreman, and David P. Krabbenhoft
WRI
Water-Resources Investigations Report 03-4220
Hydrology and Water Quality of Elkhead Creek and Elkhead Reservoir near Craig, Colorado, July 1995-September 2001.
By Gerhard Kuhn, Michael R. Stevens, and John G. Elliott
WRI
Water-Resources Investigations Report 03-4219
Ground-Water Quality Beneath Irrigated Agriculture in the Central High Plains Aquifer, 1999-2000
By Breton W. Bruce, Mark F. Becker, Larry M. Pope, and Jason J. Gurdak
WRI
Water-Resources Investigations Report 03-4209
Hydrogeology of a Biosolids-Application Site Near Deer Trail, Colorado, 1993-99
By Tracy J.B. Yager and L. Rick Arnold
WRI
Water-Resources Investigations Report 03-4172
Application of Tracer-Injection Techniques to Demonstrate Surface-Water and Ground-Water Interactions Between an Alpine Stream and the North Star Mine, Upper Animas River Watershed, Southwestern Colorado
By Winfield G. Wright and Bryan Moore
WRI
Water-Resources Investigations Report 03-4171
Water Movement Through Thick Unsaturated Zones Overlying the Central High Plains Aquifer, Southwestern Kansas, 2000-2001
By P.B. McMahon, K.F. Dennehy, R.L. Michel, M.A. Sophocleous, K.M. Ellett, and D.B. Hurlbut
WRI
Water-Resources Investigations Report 03-4087
Streamwater Quality at Selected Sites in the Fraser River Basin, Grand County, Colorado, Water Years 1991-2000
By Jeffrey B. Bails
WRI
Water-Resources Investigations Report 03-4073
Hydrology and Water-Quality Characteristics of Muddy Creek and Wolford Mountain Reservoir near Kremmling, Colorado, 1990 through 2001
By Michael R. Stevens and Lori A. Sprague
WRI
Water-Resources Investigations Report 03-4044
Water Quality and Trend Analysis of Colorado-Big Thompson System Reservoirs and Related Conveyances, 1969 Through 2000
By Michael R. Stevens
WRI
Water-Resources Investigations Report 03-4034
Hydrologic Conditions and Assessment of Water Resources in the Turkey Creek Watershed, Jefferson County, Colorado, 1998-2001
By Clifford R. Bossong, Jonathan Saul Caine, David I. Stannard, Jennifer L. Flynn, Michael R. Stevens, and Janet S. Heiny-Dash
OFR
Open-File Report 03-500
Using Logistic Regression To Predict the Probability of Debris Flows Occurring in Areas Recently Burned By Wildland Fires
By Michael G. Rupert, Susan H. Cannon, and Joseph E. Gartner
OFR
Open-File Report 03-400
Biosolids, Soil, Crop, Ground-Water, and Streambed-Sediment Data for a Biosolids-Application Area Near Deer Trail, Colorado, 2000
By Tracy J.B. Yager, David B. Smith, James G. Crock, and Michael R. Stevens
OFR
Open-File Report 03-069
Work Plan for Determining the Occurrence of Glyphosate, Its Transformation Product AMPA, Other Herbicide Compounds, and Antibiotics in Midwestern United States Streams, 2002
By W.A. Battaglin, E.M. Thurman, D.W. Kolpin, E.A. Scribner, M.W. Sandstrom, and K.M. Kuivila
OFR
Open-File Report 03-048
Rocky Mountain Snowpack Chemistry at Selected Sites for 2001
By George P. Ingersoll, M. Alisa Mast, David W. Clow, Leora Nanus, Donald H. Campbell, and Heather Handran
DS
Data Series 109
Streamwater Quality Data from the 2002 Hayman, Hinman, and Missionary Ridge Wildfires, Colorado, 2003
By Anthony J. Ranalli and Michael R. Stevens
DS
Data Series 101
Comparison of 2002 Water Year and Historical Water-Quality Data, Upper Gunnison River Basin, Colorado
By N.E. Spahr
Ground Water
Ground Water Occurrence and Contributions to Streamflow in an Alpine Catchment, Colorado Front Range
By David W. Clow, L. Schrott, R. Webb, Donald H. Campbell, A. Torizzo, and Mark Dornblaser
PDF ( 0 KB) | Online Journal Article
JRN
Water Resources Research
Changes in the chemistry of lakes and precipitation in high-elevation national parks in the western United States, 1985-1999
By David W. Clow, James O. Sickman, Robert G. Striegl, David P. Krabbenhoft, John G. Elliott, Mark Dornblaser, David A. Roth, and Donald H. Campbell
PDF ( 0 KB) | Online Journal Article
2002
WRI
Water-Resources Investigations Report 02-4275
Effect of the Paradox Valley Unit on the Dissolved-Solids Load of the Dolores River near Bedrock, Colorado, 1988-2001
By Daniel T. Chafin
WRI
Water-Resources Investigations Report 02-4270
Changes in Nutrient and Pesticide Concentrations in Urban and Agricultural Areas of the South Platte River Basin, Colorado, Wyoming, and Nebraska, 1994-2000
By Lori A. Sprague and Adrienne I. Greve
WRI
Water-Resources Investigations Report 02-4269
Probability of Detecting Atrazine/Desethyl-atrazine and Elevated Concentrations of Nitrate in Ground Water in Colorado
By Michael G. Rupert
WRI
Water-Resources Investigations Report 02-4247
Ground-water-quality assessment of shallow aquifers in the Front Range Urban Corridor, Colorado, 1954-98,
By J.L. Flynn
WRI
Water-Resources Investigations Report 02-4236
Classification of Irrigated Land Using Satellite Imagery, the High Plains Aquifer, Nominal Date 1992
By Sharon L. Qi, Alexandria Konduris, David W. Litke, and Jean Dupree
WRI
Water-Resources Investigations Report 02-4230
Using Water-Quality Profiles to Characterize Seasonal Water Quality and Loading in the Upper Animas River Basin, Southwestern Colorado
By Kenneth J. Leib, M. Alisa Mast, and Winfield G. Wright
WRI
Water-Resources Investigations Report 02-4223
Bed-Material Entrainment Potential, Roaring Fork River at Basalt, Colorado
By John G. Elliott
WRI
Water-Resources Investigations Report 02-4199
Limnology of Blue Mesa, Morrow Point, and Crystal Reservoirs, Curecanti National Recreation Area, during 1999, and a 25-Year Retrospective of Nutrient Conditions in Blue Mesa Reservoir, Colorado
By Nancy J. Bauch, U.S. Geological Survey, and Matt Malick, National Park Service
WRI
Water-Resources Investigations Report 02-4196
Investigation of Water Quality in the Great Sand Dunes National Monument and Preserve, Saguache County, Colorado, February 1999 through September 2000: Qualifying for Outstanding Waters Designation
By Sheryl A. Ferguson
WRI
Water-Resources Investigations Report 02-4151
Characterization of Selenium in the Lower Gunnison River Basin, Colorado,1988-2000
By David L. Butler and Kenneth J. Leib
WRI
Water-Resources Investigations Report 02-4142
Nutrient Dynamics in Five Off-Stream Reservoirs in the Lower South Platte River Basin, March-September 1995
By Lori A. Sprague
WRI
Water-Resources Investigations Report 02-4139
Relations of Benthic Macroinvertebrates to Concentrations of Trace Elements in Water, Streambed Sediments, and Transplanted Bryophytes and Stream Habitat Conditions in Nonmining and Mining Areas of the Upper Colorado River Basin, Colorado, 1995­98
By Scott V. Mize and Jeffrey R. Deacon
WRI
Water-Resources Investigations Report 02-4128
Sources of Metal Loads to the Alamosa River and Estimation of Seasonal and Annual Metal Loads for the Alamosa River Basin, Colorado, 1995-97
By Roderick Ortiz, Patrick Edelmann, Sheryl Ferguson, and Robert Stogner, Sr.
WRI
Water-Resources Investigations Report 02-4093
Characterization and Analysis of Temporal and Spatial Variations in Habitat and Macroinvertebrate Community Structure, Fountain Creek Basin, Colorado Springs and Vicinity, Colorado, 1998-2001
By James F. Bruce
WRI
Water-Resources Investigations Report 02-4058
Geophysical Logging to Determine Construction, Contributing Zones, and Appropriate Use of Water Levels Measured in Confined-Aquifer Network Wells, San Luis Valley, Colorado, 1998-2000
By Daniel L. Brendle
WRI
Water-Resources Investigations Report 02-4038
Evaluation of Trends in pH in the Yampa River, Northwestern Colorado, 1950-2000
By Daniel T. Chafin
WRI
Water-Resources Investigations Report 02-4037
Traveltime Characteristics of Gore Creek and Black Gore Creek, Upper Colorado River Basin, Colorado
By Jason J. Gurdak, Norman E. Spahr, and Richard J. Szmajter
WRI
Water-Resources Investigations Report 02-4001
Water-Quality Data Analysis of the Upper Gunnison River Watershed, Colorado, 1989-99
By Jason J. Gurdak, Adrienne I. Greve, and Norman E. Spahr
OFR
Open-File Report 02-471
Streamflow Characteristics for Selected Stations In and Near the Grand Mesa, Uncompahgre, and Gunnison National Forests, Southwestern Colorado
By Gerhard Kuhn
OFR
Open-File Report 02-364
Analysis of Geophysical Logs from Six Boreholes at Lariat Gulch, Former U.S. Air Force Site PJKS, Jefferson County, Colorado
By Frederick L. Paillet, Richard E. Hodges, and Barbara S. Corland
OFR
Open-File Report 02-141
Data-Quality Measures of Stakeholder-Implemented Watershed-Monitoring Programs
By Adrienne I. Greve
OFR
Open-File Report 02-051
Biosolids, Soils, Ground-Water, and Streambed-Sediment Data for a Biosolids-Application Area near Deer Trail, Colorado, 1999
By Michael R. Stevens, Tracy J.B. Yager, David B. Smith, and James G. Crock
FS
Fact Sheet 127-02
Data Summary and Loading Sources for Selected Water-Quality Characteristics of Streams in Blowdown Areas, North Fork Elk River Watershed, Colorado, March 1999-August 2000
By Kenneth J. Leib and Paul von Guerard
FS
Fact Sheet 044-02
What happens to nutrients in offstream reservoirs in the lower South Platte River Basin?
By L.A. Sprague, R.A. Kimbrough, and A.J. Ranalli
WRI
Water-Resources Investigations Report 02-4104
Evaluation of Water Quality, Suspended Sediment, and Stream Morphology with an Emphasis on Effects of Stormflow on Fountain and Monument Creek Basins, Colorado Springs and Vicinity, Colorado, 1981 through 2001
By Patrick Edelmann, Sheryl A. Ferguson, Robert W. Stogner, Sr., Marianne August, William F. Payne, and James F. Bruce
JRN
Atmospheric Environment
Comparison of snowpack and winter wet-deposition chemistry in the Rocky Mountains, USA: implications for winter dry deposition
By David W. Clow, George P. Ingersoll, M. Alisa Mast, John T. Turk, Donald H. Campbell
PDF ( 0 KB) | Online Journal Article
Water, Air, and Soil Pollution: Focus
Chemistry of selected high-elevation lakes in seven national parks in the western United States
By David W. Clow, Robert G. Striegl, Leora Nanus, M. Alisa Mast, Donald H. Campbell, and David P. Krabbenhoft
PDF ( 0 KB) | Online Journal Article
2001
WRI
Water-Resources Investigations Report 01-4204
Effects of Piping Irrigation Laterals on Selenium and Salt Loads, Montrose Arroyo Basin, Western Colorado
By David L. Butler
WRI
Water-Resources Investigations Report 01-4190
Evaluation of Possible Alternatives to Lower the High Water Table of St. Charles Mesa, Pueblo County, Colorado
By Daniel L. Brendle
WRI
Water-Resources Investigations Report 01-4167
Determination of Instream Metal Loads Using Tracer-Injection and Synoptic-Sampling Techniques, Wightman Fork, Southwestern Colorado, July 1999
By Roderick F. Ortiz
WRI
Water-Resources Investigations Report 01-4034
Review and Analysis of Available Streamflow and Water-Quality Data for Park County, Colorado, 1962-98
By Robert A. Kimbrough
WRI
Water-Resources Investigations Report 01-4028
Vertical Gradients in Water Chemistry in the Central High Plains Aquifer, Southwestern Kansas and Oklahoma Panhandle, 1999
By P.B. McMahon
WRI
Water-Resources Investigations Report 01-4027
Relations Among Rainstorm Runoff, Streamflow, pH, and Metal Concentrations, Summitville Mine Area, Upper Alamosa River Basin, Southwest Colorado, 1995-97
By Michael G. Rupert
OFR
Open-File Report 01-466
Rocky Mountain Snowpack Chemistry Network: History, Methods, and the Importance of Monitoring Mountain Ecosystems
By George P. Ingersoll, John T. Turk, M. Alisa Mast, David W. Clow, Donald H. Campbell, and Zelda C. Bailey
2000
WRI
Water-Resources Investigations Report 00-4263
Summary of Water-Quality Data, October 1987 through September 1997, for Fountain and Monument Creeks, El Paso and Pueblo Counties, Colorado
By Clifford R. Bossong
WRI
Water-Resources Investigations Report 00-4254
Historical Water-Quality Data for the High Plains Regional Ground-Water Study Area in Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming, 1930-98
By David W. Litke
WRI
Water-Resources Investigations Report 00-4186
Assessment of Water Quality, Road Runoff, and Bulk Atmospheric Deposition, Guanella Pass Area, Clear Creek and Park Counties, Colorado, Water Years 1995-97
By Michael R. Stevens
WRI
Water-Resources Investigations Report 00-4170
Characterization of Water Quality in Selected Tributaries of the Alamosa River, Southwestern Colorado, Including Comparisons to Instream Water-Quality Standards and Toxicological Reference Values, 1995-97
By Roderick F. Ortiz and Sheryl A. Ferguson
WRI
Water-Resources Investigations Report 00-4160
Diurnal Variations in Metal Concentrations in the Alamosa River and Wightman Fork, Southwestern Colorado, 1995-97
By Roderick F. Ortiz and Robert W. Stogner, Sr.
WRI
Water-Resources Investigations Report 00-4154
Determination of Instream Metal Loads Using Tracer-Injection and Synoptic- Sampling Techniques in Wightman Fork, Southwestern Colorado, September 1997
By Roderick F. Ortiz and Kenneth E. Bencala
WRI
Water-Resources Investigations Report 00-4130
Trends in precipitation and streamflow and changes in stream morphology in the Fountain Creek watershed, Colorado, 1939-99
By R. W. Stogner
WRI
Water-Resources Investigations Report 00-4109
Effect of Georgetown Lake on the Water Quality of Clear Creek, Georgetown, Colorado, 1997-98
By Sally M. Cuffin and Daniel T. Chafin
WRI
Water-Resources Investigations Report 00-4011
Effects of the Paradox Valley Unit on dissolved solids, sodium, and chloride in the Dolores River near Bedrock, Colorado, Water Years 1988-98
By Watts, Kenneth R.
WRI
Water-Resources Investigations Report 00-4005
Pesticides in surface waters of the Upper Colorado River Basin, Colorado, 1996-98
By N.J. Bauch and N.E. Spahr
CIRC
Circular 1214
Water Quality in the Upper Colorado River Basin Colorado, 1996-98
By By Norman E. Spahr, Lori E. Apodaca, Jeffrey R. Deacon, Jeffrey B. Bails, Nancy J. Bauch, C. Michelle Smith, and Nancy E. Driver
OFR
Open-File Report 00-394
Snowpack Chemistry at Selected Sites in Colorado and New Mexico during Winter 1999-2000
By George P. Ingersoll
OFR
Open-File Report 00-266
Algal data from selected sites in the Upper Colorado River Basin, Colorado, water years 1996-97
By S.V. Mize and J.R. Deacon
OFR
Open-File Report 00-214
Quality of ground water and surface water in an area of individual sewage disposal system use near Barker Reservoir, Nederland, Colorado, August-September 1998
By J.L. Flynn and L.B. Barber
OFR
Open-File Report 00-082
Hydrologic, Water-Quality, Sediment Transport, and Bulk Atmospheric-Deposition Data, Guanella Pass Area, Colorado, October 1, 1994, through September 30, 1997
By Michael R. Stevens
OFR
Open-File Report 00-054
Evaluation of biological data, Guanella Pass area, Clear Creek and Park Counties, Colorado, water years
By J.R. Cox-Lillis
FS
Fact Sheet 136-00
Trends in precipitation and streamflow in the Fountain Creek watershed, southeastern Colorado, 1977-99
By R.W. Stogner
JRN
Water Resources Research
Strontium 87/strontium 86 as a tracer of mineral weathering reactions and calcium sources in an alpine/subalpine watershed, Loch Vale, Colorado
By David W. Clow, M. Alisa Mast, Tom D. Bullen, and John T. Turk
PDF ( 0 KB) | Online Journal Article
JRN
Water Resources Research
Relations between basin characteristics and stream water chemistry in alpine/subalpine basins in Rocky Mountain National Park, Colorado
By David W. Clow and Julie K. Sueker
PDF ( 0 KB) | Online Journal Article
JRN
Water Resources Research
Long-term trends in stream water and precipitation chemistry at five headwater basins in the northeastern United States
By David W. Clow and M. Alisa Mast
PDF ( 0 KB) | Online Journal Article
1999
WRI
Water-Resources Investigations Report 99-4270
Gore Creek Watershed, Colorado-Assessment of Historical and Current Water Quantity, Water Quality, and Aquatic Ecology, 1968-98
By Kirby H. Wynn, Nancy J. Bauch, and Nancy E. Driver
WRI
Water-Resources Investigations Report 99-4243
Ground-Water-Quality Assessment of Selected Wells in the Fraser River Watershed, Colorado, August 1998
By Lori E. Apodaca, C. Michelle Smith, and Jeffrey B. Bails
WRI
Water-Resources Investigations Report 99-4223
Water quality at basic fixed sites in the Upper Colorado River Basin National Water-Quality Assessment Study Unit, October 1995-September 1998
By N.E. Spahr, R.W. Boulger, and R.J. Szmajter
WRI
Water-Resources Investigations Report 99-4221
Comparison of two approaches for determining ground-water discharge and pumpage in the lower Arkansas River Basin, Colorado, 1997-98
By R.G. Dash, B.M. Troutman, and P.F. Edelmann
WRI
Water-Resources Investigations Report 99-4190
Analysis of the magnitude and frequency of floods in Colorado
By J.E. Vaill
WRI
Water-Resources Investigations Report 99-4181
Characterization of selected biological, chemical, and physical conditions at fixed sites in the Upper Colorado River Basin, Colorado, 1995-98
By J.R. Deacon, S.V. Mize, and N.E. Spahr
WRI
Water-Resources Investigations Report 99-4148
Effects of Snowmobile Use on Snowpack Chemistry in Yellowstone National Park, 1998
By George P. Ingersoll
WRI
Water-Resources Investigations Report 99-4098
Channel-Pattern Adjustments and Geomorphic Characteristics of Elkhead Creek, Colorado, 1937-97
By John G. Elliott and Stevan Gyetvai
FS
Fact Sheet 186-99
Fish-community assessment in Gore Creek, Colorado, 1998
By K.H. Wynn
FS
Fact Sheet 164-99
Loch Vale, Colorado: A Water, Energy, and Biogeochemical Budgets Program Site
By D.W. Clow, D.H. Campbell, M.A. Mast, R.G. Striegl, K.P. Wickland, and G.P. Ingersoll
FS
Fact Sheet 138-99
Using OTIS to model solute transport in streams and rivers
By R.L. Runkel
FS
Fact Sheet 117-99
Trends in precipitation and stream-water chemistry in the northeastern United States, water years 1984-96
By D.W. Clow and M.A. Mast
WRI
Water-Resources Investigations Report 99-4111
Reconfigured-channel monitoring and assessment program
By J.G. Elliott and R. S. Parker
WRI
Water-Resources Investigations Report 98-4078
Quantification of metal loading in French Gulch, Summit County, Colorado, using a tracer-injection study, July 1996
By Briant A. Kimball, Robert L. Runkel, and Linda J. Gerner
1998
WRI
Water-Resources Investigations Report 98-4236
Water-quality and biological community characterization at selected sites on the Eagle River, Colorado, September 1997 and February 1998
By J.R. Deacon and N.E. Spahr
WRI
Water-Resources Investigations Report 98-4124
Trace elements in bed sediment and fish tissue at selected sites in the Upper Colorado River Basin, Colorado, 1995-96
By J.R. Deacon and V.C. Stephens
WRI
Water-Resources Investigations Report 98-4018
One dimensional transport with inflow and storage (OTIS): A solute transport model for streams and rivers
By R. L. Runkel
OFR
Open-File Report 98-279
Water-quality characteristics of the Slate and East Rivers, Colorado, during the winter recreational season, December 1996
By N.E. Spahr and J.R. Deacon
1997
WRI
Water-Resources Investigations Report 97-4227
Interim Results of Quality-Control Sampling for the Upper Colorado River National Water-Quality Assessment Study Unit
By N.E. Spahr and R.W. Boulger
OFR
Open-File Report 97-233
Nitrogen and phosphorus data for surface water in the Upper Colorado River Basin, 1980-94
By K.H. Wynn and N.E. Spahr
NON
Intergovermental Task Force on Monitoring Water Quality
Conceptual Frameworks for Ground-Water-Quality Monitoring
By Franke, O.L., and the Ground-Water Focus Group of the Intergovernmental Task Force on Monitoring Water Quality
FS
Fact Sheet 167-97
Distribution and concentrations of selected organochlorine pesticides and PCB's in streambed sediment and whole-body fish in the Upper Colorado River Basin, 1995-96
By V.C. Stephens and J.R. Deacon
FS
Fact Sheet 166-97
Relations of main-stem reservoir operations and specific conductance in the lower Arkansas River, southeastern Colorado
By M.E. Lewis
FS
Fact Sheet 160-97
Low-flow water-quality characterization of the Gore Creek watershed, Upper Colorado River Basin, Colorado, August 1996
By K.H. Wynn and N.E. Spahr
FS
Fact Sheet 122-97
Effects of water quality and habitat on composition of fish communities in the Upper Colorado River Basin
By J.D. Deacon, and S.V. Mize
FS
Fact Sheet 043-97
Are aquatic resources of the Mt. Zirkel Wilderness Area in Colorado affected by acid deposition and what will emissions reductions at the local power plants do?
By J.T. Turk and D.H. Campbell
FS
Fact Sheet 040-97
Organochlorine Compounds and Trace Elements in Streambed Sediment and Fish Tissue, South Platte River Basin-Colorado, Nebraska, and Wyoming
By Janet S. Heiny
FS
Fact Sheet 032-97
Biological and contaminant investigations, Upper Colorado River Basin-What's been done and how can the information be used?
By J.R. Deacon
FS
Fact Sheet 004-97
Variability of nitrate concentrations in the shallow ground water in a selected area of the San Luis Valley, south-central Colorado
By R.W. Stogner
1996
FS
Fact Sheet 215-96
Salinity in the Colorado River in the Grand Valley, western Colorado, 1994-95
By D.L. Butler, and P.B. von Guerard
FS
Fact Sheet 191-96
The Upper Colorado River National Water-Quality Assessment program surface-water-monitoring network
By N.E. Spahr, N.E. Driver, and V.C. Stephens
FS
Fact Sheet 109-96
What Affects Water Quality In the Upper Colorado River Basin?
By Lori E. Apodaca, Verlin C. Stephens, and Nancy E. Driver
WRI
Water-Resources Investigations Report 96-4172
Summary of biological and contaminant Investigations related to stream-water quality and environmental setting in the Upper Colorado River Basin: 1938-1995
By J.R. Deacon and V.C. Stephens
JRN
Chemical Geology
Weathering rates as a function of flow through an alpine soil
By D.W. Clow, J.I. Drever
PDF ( 0 KB) | Online Journal Article
Hydrological Processes
Controls on surface water chemistry in the Upper Merced River Basin, Yosemite National Park, California
By David W. Clow, M. Alisa Mast, and Donald H. Campbell
PDF ( 0 KB) | Online Journal Article
1995
OFR
Open-File Report 95-450
Bibliography, indices, and data sources of water-related studies, Upper Colorado River Basin, Colorado and Utah,1872-1995
By N.J. Bauch and L.E. Apodaca
WRI
Water-Resources Investigations Report 95-4126
Characterization of selected radionuclides in sediment and surface water in Standley Lake, Great Western Reservoir, and Mower Reservoir, Jefferson County, Colorado, 1992
By David W. Clow and David A. Johncox
Biogeochemistry of Seasonally Snow-Covered Catchments
Composition of precipitation, bulk deposition, and runoff at a granitic bedrock catchment in the Loch Vale watershed, Colorado, USA
By David W Clow and M. Alisa Mast
PDF ( 0 KB)
1994
OFR
Open-File Report 94-102
National Water-Quality Assessment Program - Upper Colorado River Basin
By N.E. Driver
JRN
Atmospheric Environment
Particulate carbonate matter in snow from selected sites in the south-central Rocky Mountains
By David W. Clow and George P. Ingersoll
PDF ( 0 KB) | Online Journal Article
1974
NON
Colorado Water Resources Circular 25
Effects of Metal-mine drainage on Water Quality in selected areas of Colorado, 1972-73
By Robert E. Moran and Dennis A. Wentz
NON
Colorado Water Resources Circular 21
Effect of Mine drainage on the quality of streams in Colorado, 1971-72
By Dennis A. Wentz

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