WMS:MODRAT Impervious Area
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Define the percent of the subarea that is impervious to infiltration. The percent impervious generally depends on the land use in the basin; as with soil type, land use maps have been developed to allow definition of this parameter through graphical analysis. WMS can determine the percent impervious by mapping MODRAT attributes, or the user may enter this number independently.
Related Topics
- Editing MODRAT Parameters
- Using GIS Data to Map Parameters
- Area
- Rainfall
- Soil Type
- Time of Concentration
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