| Abstract: | A model has been developed for assessing potential increases in dissolved solids of the Tongue River as a result of leaching of overburden materials used to backfill pits in surface coal-mining operations. The model allows spatial and temporal simulation of streamflow and dissolved-solids loads and concentrations under user-defined scenarios of surface coal mining and agricultural development. The model routes an input quantity of streamflow and dissolved solids from the upstream end to the downstream end of a stream reach while algebraically accounting for gains and losses of streamflow and dissolved solids within the stream reach. Input data needed to operate the model include the following: simulation number, designation of hydrologic conditions for each simulated month, either user-defined or regression-defined concentrations of dissolved solids input by the Tongue River Reservoir, number of irrigated acres, number of mined acres, dissolved-solids concentration of mine leachates and quantity of other water losses. A listing of the Fortran computer program, definitions of all variables in the model, and an example output permit use of the model by interested persons. (USGS) |
| Genre: | USGS Numbered Series |
| ProdID: | 11722 |
| Citation Author: | Woods, Paul F. |
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| Citation Language: | ENGLISH |
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| Citation Phsyical Description: | iii, 45 p. :ill., map ;28 cm. |
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| Citation Publisher: | U.S. Geological Survey, |
| Citation Series: | Open-File Report |
| Citation Series Code: | OFR |
| Citation Series Number: | 81-479 |
| Citation Search Results Text: | Documentation of a dissolved-solids model of the Tongue River, southeastern Montana; 1981; OFR; 81-479; Woods, Paul F. |
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| Citation Year: | 1981 |
| Type: | citation/reference |
| Text: | Documentation of a dissolved-solids model of the Tongue River, southeastern Montana; 1981; OFR; 81-479; Woods, Paul F. |
| URL (THUMBNAIL): | http://pubs.usgs.gov/of/1981/0479/report-thumb.jpg |
| URL (DOCUMENT): | http://pubs.usgs.gov/of/1981/0479/report.pdf |
| Date Other: | Sat, 1 Jan 1994 00:00 -0600 |
| Publisher: | U.S. Geological Survey, |
