The second part of the model, shown in Figure 2, creates the stream network: sinks are filled, flow direction and flow accumulation are derived from the DEM and streams are delineated based on a constant flow accumulation threshold.
The second part of the model, shown in Figure 2, creates thestream network: sinks are filled, flow direction and flowaccumulation are derived from the DEM and streams aredelineated based on a constant flow accumulation threshold.