Flow Accumulation
Flow accumulation performs a cumulative count of the number of pixels that naturally drain into outlets
Explanation
From the main ILWIS menu select the option “Operations” > “Dem Hydro‐processing” > “Flow Determination” > “Flow Accumulation”, as input flow direction map use “eth_dem_fd” and as output map specify “eth_dem_fa”.
Outgoing relations
- Flow Accumulation output Flow Accumulation map
Incoming relations
- Flow Direction Map input Flow Accumulation