Hydrologic reconnaissance of the Yampa River during low flow, Dinosaur National Monument, northwestern Colorado
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Abstract
A hydrologic reconnaissance of a 74-kilometer reach of the Yampa River in Dinosaur National Monument was made during low flow in mid-August 1976. Stream discharge, which was measured along this reach every 16 to 24 kilometers, ranged from 9.4 to 10.6 cubic meters per second. Variations in streamflow were explained, in part, by underflow, loss to ground water, and evaporation. Specific conductance was measured about every 2 kilometers and indicated a downstream increase on the order of 11 to 12 percent for the reach. Except for mercury, bottom-sediment trace-element concentrations in the study reach were less than maximum concentrations determined during August-September 1976 for bottom sediments at unperturbed sites upstream in the Yampa River basin. At one of five sampling sites, the mercury concentration in bottom sediments exceeded the maximum measured upstream level.
Study Area
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Hydrologic reconnaissance of the Yampa River during low flow, Dinosaur National Monument, northwestern Colorado |
| Series title | Open-File Report |
| Series number | 78-226 |
| DOI | 10.3133/ofr78226 |
| Year Published | 1978 |
| Language | English |
| Publisher | U.S. Geological Survey |
| Description | ii, 10 p. |
| Country | United States |
| State | Colorado |
| Other Geospatial | Dinosaur National Monument |
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