I'm on mobile and can't fully reply, but isn't there an r.lakes or r.fill module (possibly add on) that does this?
Generic answer: r.watershed is the wrong tool, but GRASS has support for this. Please excuse brevity. Sent from tiny pocket computer with non-haptic feedback keyboard. On Mon, Mar 29, 2021, 11:40 Micha Silver <[email protected]> wrote: > Hello: > > You might try `r.param.scale`, or even better `r.geomorphons` modules to > identify geomorphology features, then filter out all pixels identified > as pits. > > > r.watershed is purposely designed to overcome depressions, and find flow > routing thru these spots. So I don't think you can use that module to > identify depressions. > > > On 3/27/21 8:49 PM, ming han wrote: > > Hi Everyone > > > > When I do watershed delineation using r.watershed for great salt > > lake watershed. I found r.watershed always tried to assign an outlet > > for a great salt lake, which does actually not exist because it is an > > inland lake and the great salt lake has no watershed outlet at all. > > > > I noticed that there is a depression option. But is there any > > way that r.watershed can automatically identify depressions while > > defining flow accumulation and stream network? > > > > Thanks > > Ming > > > > _______________________________________________ > > grass-user mailing list > > [email protected] > > https://lists.osgeo.org/mailman/listinfo/grass-user > > -- > Micha Silver > Ben Gurion Univ. > Sde Boker, Remote Sensing Lab > cell: +972-523-665918 > > _______________________________________________ > grass-user mailing list > [email protected] > https://lists.osgeo.org/mailman/listinfo/grass-user >
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