Simulating the variable-source-area concept of streamflow generation with the watershed model TOPMODEL
Water-Resources Investigations Report
93-4124
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Abstract
This report describes TOPMODEL, which is a physically based watershed model that simulates the variable-source-area concept of streamflow generation. The report describes the theoretical background, model equations, methods to determine parameter values, Fortran computer code, and an example interactive simulation. Using TOPMODEL requires specification of soils and topographic parameters, watershed latitude, and time series of precipitation and air temperature. Model predictions include, in addition to streamflow, estimates of overland and subsurface flow, and an estimate of the spatial pattern of the depth to the water table in the watershed.
Suggested Citation
Wolock, D., 1993, Simulating the variable-source-area concept of streamflow generation with the watershed model TOPMODEL: U.S. Geological Survey Water-Resources Investigations Report 93-4124, vi, 33 p. :ill. ;28 cm., https://doi.org/10.3133/wri934124.
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Simulating the variable-source-area concept of streamflow generation with the watershed model TOPMODEL |
| Series title | Water-Resources Investigations Report |
| Series number | 93-4124 |
| DOI | 10.3133/wri934124 |
| Year Published | 1993 |
| Language | ENGLISH |
| Publisher | U.S. Geological Survey, Water Resources Division ; U.S. Geological Survey, Books and Open-File Reports [distributor], |
| Description | vi, 33 p. :ill. ;28 cm. |