Geomorphic, hydrologic, and erosion data for selected reclaimed hillslopes, the Seneca II mine, Routt County, Colorado, October 1988-July 1990
Water-Resources Investigations Report
92-4096
By: J. G. Elliott
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Abstract
Geomorphic, hydrologic, and erosion data were collected from five reclaimed hillslopes at the Seneca II mine near Hayden, Colorado. Hillslope surveys were used to determine hillslope lengths, which range from 670 to 1,280 ft, and hillslope gradients, which range from 0.17 to 0.23 ft/ft (17 to 23 percent). Elevations in the study area range from 6,890 to 7,140 feet and hillslope aspect generally is west or south. Mean total vegetation cover ranges from 74 to 91 percent. Total monthly precipitation for December 1988 through May 1990 was computed from daily measurements made with weighing-bucket precipitation gages. Several snowpack measurements were made during 2 winters. Volumetric soil-water content was determined at incremental depths using a neutron probe and in the upper 11.8 in of soil using a time-domain reflectometer. Active and recent soil erosion was indicated by the presence of rills. Rill density (the sum of rill lengths/unit area) was computed at 50-feet intervals along each hillslope study area. Differences in soil-surface elevations between September or October 1989 and June 1990 were determined with an erosion frame and replicate soil-surface surveys at 16 erosion-study plots.
Suggested Citation
Elliott, J.G., 1993, Geomorphic, hydrologic, and erosion data for selected reclaimed hillslopes, the Seneca II mine, Routt County, Colorado, October 1988-July 1990: U.S. Geological Survey Water-Resources Investigations Report 92-4096, iv, 59 p., https://doi.org/10.3133/wri924096.
Study Area
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Geomorphic, hydrologic, and erosion data for selected reclaimed hillslopes, the Seneca II mine, Routt County, Colorado, October 1988-July 1990 |
| Series title | Water-Resources Investigations Report |
| Series number | 92-4096 |
| DOI | 10.3133/wri924096 |
| Year Published | 1993 |
| Language | English |
| Publisher | U.S. Geological Survey |
| Description | iv, 59 p. |
| Country | United States |
| State | Colorado |
| County | Routt County |
| Other Geospatial | Seneca II mine |