Storage Routing Hydrological Model property sheet
This sheet appears when a storage routing model is selected in the Hydrological Model dialog box. It can take three forms, depending on the type of storage routing model selected.
For a RORB type model it appears as shown below. A model name, initial and continuing losses for impervious areas, and values of the routing parameters, kc and m, are to be entered. The losses for impervious surfaces are fixed. The continuing losses can be constant or proportional (i.e. the rainfall excess in a period is a constant proportion of the rainfall).
For a RAFTS type model, the property sheet is similar, with the BX parameter replacing kc and the Storage Exponent n parameter replacing m.
For a WBNM type model the sheet again similar to the RORB sheet, with a lag parameter.
Several runoff routing models of the same type can be set up in the Hydrological Models Data Base and selected from this when entering data for particular sub-catchments and stream routing reaches, as described in the RORB, RAFTS and WBNM model layout information. It is not allowable to mix the different types of storage routing models, as this would create serious conflicts in the model structure.