Lake Fork of the Arkansas
Sept 10-13, 2001
Study Design & Sequence of Events Study Design
The objective of the study was to determine the principal sources of metals and acidity in the Lake Fork of the Arkansas River. The study reach began at the base of Sugarloaf Dam and ended below the confluence of Lake Fork and the Arkansas River.
Sequence of Events
September 6 Stream measurement and reconnaissance 10 Tracer injection setup 11 Tracer injection begins at 1130 hours 12 Water quality sampling for synoptic study #1 13 Water quality sampling for synoptic study #2
Photo Gallery Synoptic Sites - Synoptic #1 (September 12, 2001)
Distance/Type Site ID Description
00 str LF-00 00 str LF-00 100 str LF-100 200 str LF-200 Transport Site #1 323 str LF-323 400 rbi LF-400 Beaver Pond 448 rbi LF-448 Actual Sample Location 448 rbi LF-448 Unsampled water at ~440 m 455 str LF-455 Site of EDI sampling 508 rbi LF-508 508 rbi LF-508 537 rbi LF-537 780 div LF-780 Irrigation Diversion on Left Bank 800 str LF-800 Transport Site #2 800 str LF-800 Transport Site #2 800 str LF-800 Transport Site #2 887 str LF-887 887 str LF-887 1180 rbi LF-1180 1185 str LF-1185 1241 lbi LF-1241 1351 rbi LF-1351 1351 rbi LF-1351 1425 rbi LF-1425 1495 rbi LF-1495 1525 str LF-1525 Transport Site #3 1525 str LF-1525 Transport Site #3 rbi CG-0 Colorado Gulch rbi CG-0 Colorado Gulch str LF-2500 Lake Fork downstream of Colorado Gulch Synoptic Sites - Synoptic #2 (September 13, 2001)
Site ID Description
LF-2500 Lake Fork at County Road 5 LF-3500 Lake Fork above Fish Hatchery Ditch FH-0 Fish Hatchery Ditch FH-0 Fish Hatchery Ditch LF-3600 Lake Fork below Fish Hatchery Ditch HC-0 Half Moon Creek LF-5600 Lake Fork below Half Moon Creek LF-5600 Lake Fork below Half Moon Creek AR-0 Arkansas River above Lake Fork AR-100 Arkansas River below Lake Fork Key
str - stream site rbi - right bank inflow lbi - left bank inflow div - diversion
Results & Acknowledgments Results
Data analysis is incomplete at this time.
Acknowledgments
The Lake Fork synoptic was done in cooperation with the U.S. Bureau of Land Management, the U.S. Fish and Wildlife Service, and the U.S. Forest Service. Field assistance was provided by Jordana Barrack, Bill Carey, Sabre Duren, Josh Eldridge, Alex Hearding, Craig Meulot, Ken Leib, Durelle Scott, Don Stephens, Kevin Szympruch, Duane Hrncir, and members of the research team.
