Hi Shane, I don't know the internals of r.watershed but your best option is to take a look at the man page [1] and the references listed at the bottom. It contains all the references for the algorithms used.
Cheers Daniel [1] - https://grass.osgeo.org/grass72/manuals/r.watershed On Wed, Jan 17, 2018 at 3:30 PM Shane Carey <[email protected]> wrote: > Hi, > > I was wondering if someone could tell me how r.watershed works in terms of > creating stream network. I was of the opinion it just mapped a river from A > to B based on the least cost search algorithm where elevation is the "cost"! > > However, it also calculates flow directions and flow accumulations - Are > these just an added bonus? > > Thanks > > -- > Le gach dea ghui, > *Shane Carey* > > _______________________________________________ > grass-user mailing list > [email protected] > https://lists.osgeo.org/mailman/listinfo/grass-user
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