User:Jcreer/SMS:GSSHA Coverages

The GSSHA model makes use of the simulation based modeling approach. This requires defining coverages in the Map module to build the components for use in the GSSHA simulation.

A GSSHA simulation makes use of the following coverage types:

• Boundary Conditions

Boundary Conditions Coverage

Arc Properties

• Channel –
  • Channel type –
    • Trapezoidal –
      • Manning's n (MANNINGS_N): – Appears under both Channel options. Enter the Manning's N integer here.
      • Depth (m) (BANKFULL_DEPTH): –
      • Bottom width (m) (BOTTOM_WIDTH): –
      • Side slope (H:V) (SIDE_SLOPE): –
    • Cross-section –
      • Manning's n (MANNINGS_N): – Appears under both Channel options. Enter the Manning's N integer here.
      • Cross section:
        • Edit XY Series – Selecting this brings up the XY Series Editor
  • Most downstream arc of stream network –
  • Output hydrograph at downstream end –
  • Specify point source at upstream end –
• Overland Flow BC –
  • Overland Flow BC Type: –
    • Constant slope –
      • Constant slope: – Enter integer here
    • Constant stage (water surface elevation) –
      • Constant stage (water surface elevation): – Enter integer here
    • Variable stage (water surface elevation) –
      • Variable stage (water surface elevation) – Click on Edit XY Series... to bring up the XY Series Editor
    • Variable flow (cms discharge) –
      • Variable flow (cms discharge): – Click on Edit XY Series... to bring up the XY Series Editor
    • Variable flow (cfs discharge) –
      • Variable flow (cfs discharge): – Click on Edit XY Series... to bring up the XY Series Editor