On Thu, Jul 21, 2011 at 3:30 PM, frans-joost <[email protected]> wrote:
> Dear GRASS users, > > I'm trying to implement the Morgan Morgan Finney model for erosion > estimation. > One problem I'm having is with the accumulation of surface runoff. > Is it possible to sum all cells that are uphill, meaning each individual > cell has an amount of water that flows downslope. > It should be possible to use a flow direction map to accomplish this. > > r.terraflow does not have an option to accumulate using another map > r.watershed gives me very high and negative values (not sure what happened > there) > This goes in the direction what I am trying to do with seed dispersal via water, and I did not get any responses - maybe not possible? Rainer > > Thank you in advance > Frans-Joost > > -- > View this message in context: > http://osgeo-org.1803224.n2.nabble.com/flow-accumulation-tp6606761p6606761.html > Sent from the Grass - Users mailing list archive at Nabble.com. > _______________________________________________ > grass-user mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/grass-user > -- Rainer M. Krug, PhD (Conservation Ecology, SUN), MSc (Conservation Biology, UCT), Dipl. Phys. (Germany) Centre of Excellence for Invasion Biology Stellenbosch University South Africa Tel : +33 - (0)9 53 10 27 44 Cell: +33 - (0)6 85 62 59 98 Fax (F): +33 - (0)9 58 10 27 44 Fax (D): +49 - (0)3 21 21 25 22 44 email: [email protected] Skype: RMkrug
_______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
