Figure 1: Flow chart describing the DTM analysis and geomorphic scaling law processing for floodplain delineation. | Scientific Data

Figure 1: Flow chart describing the DTM analysis and geomorphic scaling law processing for floodplain delineation.

From: GFPLAIN250m, a global high-resolution dataset of Earth’s floodplains

Figure 1

Three main steps of the procedure are depicted. (a) DTM analysis for flow direction, drainage area and network identification from elevation data. (b) Scaling laws implemented for associating a floodplain flow depth to the contributing area of each drainage network grid cell. (c) GFPLAIN250m gridded layer is derived by flagging as a floodplain those cells whose elevations are lower than corresponding drainage network flow levels.

Back to article page