Land Cover data can be specified using Components > Catalog > Land Cover. In this dialog, the user can create unique land covers, or import land cover data, from an existing library of land use coefficients. The data required for a land cover is shown below.

In most cases, the user will prefer to select a land cover from the default library. The user can pick Browse or Import from Library to see the list of existing coefficients as shown below:

The land cover is referenced from the surface polygon property grid.

Specify the land cover in the Land Cover Type property. For the Impermeability, Manning's N and SCS CN properties, you can specify to use Catalog which will show the value for the appropriate property from the land cover reference as shown above for SCS CN.