User:Jcreer/SWB: Difference between revisions
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* '''Save, Export, and Launch SWB''' – Combines several other commands together. First, it saves the project file, then exports files for the model run, and finally launches the SWB model run. | * '''Save, Export, and Launch SWB''' – Combines several other commands together. First, it saves the project file, then exports files for the model run, and finally launches the SWB model run. | ||
* '''Properties''' – Opens the ''Properties'' dialog which displays the simulation properties and allows adding notes. | * '''Properties''' – Opens the ''Properties'' dialog which displays the simulation properties and allows adding notes. | ||
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==Model Control== | ==Model Control== | ||
[[File:SWB ModelControl.png|thumb|340 px|Example of the SWB ''Model Control'' dialog]] | [[File:SWB ModelControl.png|thumb|340 px|Example of the SWB ''Model Control'' dialog]] | ||
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**'''Insert Below''' – Adds a row in the table below the current selected row. | **'''Insert Below''' – Adds a row in the table below the current selected row. | ||
** '''Delete''' – Removes the selected row from the table. | ** '''Delete''' – Removes the selected row from the table. | ||
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==SWB Output Files== | ==SWB Output Files== | ||
After running the model, SWB will generate several output files. | After running the model, SWB will generate several output files. | ||
Revision as of 22:29, 18 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:
- daily average wind speed (m/s),
- daily average relative humidity (%),
- daily max relative humidity (%),
- 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.
Creating an SWB Simulation
To create an SWB simulation, do the following:
- Right-click on the "
Project" item the Project Explorer and select New Simulation | SWB.
A new "Simulation Data" 
item will appear in the Project Explorer, along with a "SWB Simulations" 
item and a new simulation 
item. Right-clicking on the "SWB Simulations" item also has a New Simulation command that allows adding additional SWB simulations to the project.
Simulation Menu
Right-clicking on the simulation item in the Project Explorer will bring up the following menu command:
- Delete – Removes the simualation item.
- Duplicate Creates a copy for the simulation, including all parameters set in the model control.
- Rename – Allows changing the name of the simulation item.
- Model Control – Opens the Model Control dialog where the model run parameters are set.
- Model Check – Looks for potential errors in the model setup. Brings up the Model Checker dialog if issues are discovered.
- Export SWB – Generates files used in the model run.
- Launch SWB – Starts the SWB model run and opens the Simulation Run Queue dialog.
- Save, Export, and Launch SWB – Combines several other commands together. First, it saves the project file, then exports files for the model run, and finally launches the SWB model run.
- Properties – Opens the Properties dialog which displays the simulation properties and allows adding notes.
SWB Output Files
After running the model, SWB will generate several output files.
- Recharge daily statistics – Contains the minimum, maximum, and mean values for all major components of the water balance for all grid cells in the model on a given day.
- Recharge daily report – Contains values representing the individual daily values summed over the entire model multiplied by the conversion factor.
- Recharge annual statistics – Contains mean values representing the annual sum of daily mean values.
- Log file – Contains a report of the processes performed during the model run.
- Grid and image files – Based on the selected optional output variables in the model control.
External Links
GMS – Groundwater Modeling System | ||
|---|---|---|
| Modules: | 2D Grid • 2D Mesh • 2D Scatter Point • 3D Grid • 3D Mesh • 3D Scatter Point • Boreholes • GIS • Map • Solid • TINs • UGrids |  |
| Models: | FEFLOW • FEMWATER • HydroGeoSphere • MODAEM • MODFLOW • MODPATH • mod-PATH3DU • MT3DMS • MT3D-USGS • PEST • PHT3D • RT3D • SEAM3D • SEAWAT • SEEP2D • T-PROGS • ZONEBUDGET | |
| Aquaveo | ||
