Difference between revisions of "Overview:Applications"

Latest revision as of 14:10, 17 April 2008

GSSHA accounts for the following conditions that may be encountered when simulating watershed hydrology:

1. Spatial variability of soil textures, land use, and vegetation that may affect parameter values needed to simulate important hydrologic processes.
2. Spatial and temporal variability of precipitation.
3. Snowfall accumulation and melting.
4. Drainage network of arbitrary shape and cross sections.
5. Effect of soil moisture on infiltration and runoff.
6. Effect of water table on soil moisture, infiltration, and runoff.
7. Gaining and losing streams.
8. Hortonian runoff.
9. Saturated source areas.
10. Exfiltration.
11. Wetland peat hydraulics.
12. Lake storage and routing.

It has been verified that GSSHA, and/or the methods taken from CASC2D and employed in GSSHA, can be used to simulate the following types of hydrologic variables:

1. Stream discharge in Hortonian basins (Doe and Saghafian 1992; Ogden et al. 2000; Senarath et al. 2000; Downer et al. 2002a)
2. Stream discharge in non-Hortonian and mixed runoff basins. (Downer 2002; Downer et al. 2002b)
3. Soil moistures in Hortonian basins. (Downer 2002).
4. Sediment discharge in Hortonian basins (Johnson 1997)

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Overview

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Modeling process