Sub-catchments
Sub-catchments
Sub-catchments describe the areas draining to a pit or other kind of node. Their main characteristics are their size, the type of land-use that occupies the area, and the time that it takes for runoff to concentrate at the catchment outlet. Different ...
Sub-Catchment drawing tool
This tool, , is used to draw sub-catchments in the Main Window. Since it is wrong to place a sub-catchment directly over a pit, the pit will snap to the top, right hand side of the pit. It can then be moved to other sides of the pit, if desired. ...
Sub-Catchment (Rational Method and ERM) property sheet
This appears when a ratrational method or extended rational method (ERM) model has been specified as the default model in the Hydrological Model dialog box called from the Hydrological Models option in the Project menu. The form of the box will ...
Select Storms property sheets
These are two dialog boxes called from the Project menu, via the Select Major Storms and Select Minor Storms options when individual storms have been specified in the Project Options property sheet. They are not used when ensembles of ARR 2019 ...
Sub-Catchment property sheet (superseded)
The older form of the property sheet for Horton (ILSAX) sub-catchments is shown below. A similar form of model was used with the rational method and extended rational method procedures, with the land-use types being impervoius and pervious, rather ...
IL-CL Sub-Catchment property sheet
This is used to enter data for the ARR 2019 IL-CL model. Different sheets are used for Horton (ILSAX) and the rational method, and other formats are used for storage routing model sub-catchments. At the top there is a text box for the sub-catchment ...