The same watershed data with a shaded relief map. Pulldown menu for the hydrologic extension showing the Hydrologic Modeling interface that allows the user to create watersheds and calculate attributes for them. Menu Choice Function Hydrologic Modeling Creates watersheds then calculates additional attributes. Flow Accumulation Calculates the accumulated flow, or number of upslope cells. Watershed Creates watersheds based on a user-specified flow accumulation threshold.
Area Calculates the area of each watershed.
Perimeter Calculates the perimeter of each watershed. Length Calculates the straight line distance length of each watershed. Flow Length Calculates the length of flow path for each cell to the pour point. Shape Factor by Watershed Calculates a shape factor for each watershed. Stream Network as Line Shape Creates a vector stream network.