The example on the r.flow manual page shows flow lines, flow paths, and flow accumulation. The latter two represent map units (in meters). I want to confirm my understanding using the attached flow accumulation map. (The blue lines are components of the river network draining this basin.)
Do the legend numbers represent the number of cells or the area covered by a cell? If the latter, the displayed raster map and the source topography raster map with cell resolution of 20m x 20m, each cell area is 400m^2. So the legend runs from 0m^2 to 457m^2 representing the upstream area draining to each cell (point on the map). correct? TIA, Rich
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