Model Construction:Units

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GSSHA is entirely formulated in metric units. Therefore, the grid dimensions and elevations must be in meters. WMS can be used to convert grid dimensions and/or elevations from feet to meters. GSSHA outputs all results in metric units except for the flow values in the outlet hydrograph file (.otl file), which can be output in either metric (m^3/s) or English (cfs) units.

Related Topics

GSSHA Wiki Main Page
Primer Main Page

Model Construction
Global parameters
Total time
Outlet information
Defining a uniform precipitation event
Describing overland flow
Overland flow routing options
Verifying the basic model
Editing the grid to correct elevation errors
Determining an appropriate time-step
Running GSSHA