[GRASS-user] flow accumulation

[Rainer M Krug]

On Thu, Jul 21, 2011 at 3:30 PM, frans-joost <fjboogert at gmail.com> 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
>
> --
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> Sent from the Grass - Users mailing list archive at Nabble.com.
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-- 
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
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email:      Rainer at krugs.de

Skype:      RMkrug
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