GMS:MODFLOW ETS Package Workflow

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To use the ETS (Evapotranspiration Segments) package in an existing MODFLOW project, use the following processes:

1. Begin with an existing MODFLOW project.
The existing model can be created using the conceptual model or grid based approach.
2. Enable the ETS package.
  1. Select MODFLOW | Global Options.
  2. In the MODFLOW Global/Basic Package dialog, select the Packages button.
  3. In the MODFLOW Packages/Processes dialog, select the ETS1 – Evapotranspiration option.
3. Specify evapotranspiration in the ETS package.
  1. Select the MODFLOW | Optional Packages | ETS – Evapotranspiration Segments… menu command.
  2. Define parameters in the MODFLOW ETS Package dialog including the following parameters:
    • Max ET Rate
    • ET Surface
    • Extinction Depth
4. Run MODFLOW.
  1. Save Save Macro.svg the project.
  2. Run MODFLOW Run MODFLOW Macro.svg.