WMS:GSSHA Storm Drain

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The "GSSHA Storm Drain" coverage in WMS is used to hold feature arcs, nodes, and polygons related to subsurface drainage network or agricultural tile drain modeling.

Storm/Tile Drain Dialog

The GSSHA Storm/tile drain dialog.

The GSSHA Storm/tile drain dialog is accessible by clicking the Edit parameters... button to the right of Storm/tile drain in the list of other parameters in the GSSHA Job Control Parameters dialog. It has three options:

  • Allow GSSHA to redistribute Superlink Vertices – Turn on to allow GSSHA to redistribute superlink vertices.
  • Groundwater flow computation method section
    • "Cooke Method (default)" – Uses the Cooke Method for computing groundwater flow.[1]
    • "Drainmod Method" – Uses the DRAINMOD method developed by R.W. Skaggs.[2]

References

  1. ^ Cooke, Richard A.; Badiger, Shrinivas M.; García, Ana Maria (June 21, 2001). "Drainage equations for random and irregular tile drainage systems". Agricultural Water Management 48 (3): 207-224. Archived from the original on April 30, 2019. https://www.sciencedirect.com/science/article/pii/S0378377400001360. 
  2. ^ Skaggs, R.W. (1980). DRAINMOD Reference Report - Methods for design and evaluation of drainage-water management systems for soils with high water tables. Texas: USDA SCS, South National Technical Center.