User:Jcreer/SWB: Difference between revisions
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The Soil-Water-Balance (SWB) model has been developed by USGS to allow estimates of potential recharge to be made quickly and easily. | The Soil-Water-Balance (SWB) model has been developed by USGS to allow estimates of potential recharge to be made quickly and easily. | ||
==Required Input== | |||
* | Four gridded datasets are required: | ||
* land-use | *Hydrologic soil group | ||
* | *land-use/land cover | ||
* flow direction | *Available soil-water capacity | ||
*Surface-water flow direction | |||
In addition to gridded land-surface data the model requires tabular daily climatological data (daily precip (inches), average air temperature [F], max air temp [F], min air temp [F]). Additional data may be required depending on model options: (1) daily average wind speed (m/s), (2) daily average relative humidity (%), (3) daily max relative humidity (%), (4) daily percentage of possible sunshine (%). Finally a lookup table must be supplied to assign curve numbers, interception values, rooting depths, and maximum daily recharge values. | |||
==External Links== | ==External Links== | ||
Revision as of 16:48, 10 May 2018
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This contains information about functionality available starting at GMS version 10.4. The content may not apply to other versions. |
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The Soil-Water-Balance (SWB) model has been developed by USGS to allow estimates of potential recharge to be made quickly and easily.
Required Input
Four gridded datasets are required:
- Hydrologic soil group
- land-use/land cover
- Available soil-water capacity
- Surface-water flow direction
In addition to gridded land-surface data the model requires tabular daily climatological data (daily precip (inches), average air temperature [F], max air temp [F], min air temp [F]). Additional data may be required depending on model options: (1) daily average wind speed (m/s), (2) daily average relative humidity (%), (3) daily max relative humidity (%), (4) daily percentage of possible sunshine (%). Finally a lookup table must be supplied to assign curve numbers, interception values, rooting depths, and maximum daily recharge values.
External Links
GMS – Groundwater Modeling System | ||
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