[GRASS-user] r.sim.water - error
Markus Neteler
neteler at itc.it
Mon May 14 11:42:00 EDT 2007
On Mon, May 14, 2007 at 10:21:12AM -0500, M S wrote:
> When I run r.sim.water, I get the following output
> "GRASS_INFO_WARNING(18240,1): Infiltration exceeds the rainfall rate
> everywhere! No overland flow."
>
> If I understand all the inputs correctly, one inputs the rainfall excess
> (runoff) and the rainfall infiltration, and the intensity (rate) is
> calculated by the module by the equation (Rainfall Excess = Rainfall
> Intensity - Infiltration rate).
>
> How can my infiltration exceed the rainfall rate if rainfall rate =
> Infiltration + runoff?
General hint:
Please note that r.sim.water has been recently modified in GRASS 6.3-CVS
to support more intuitive units. In case that you use 6.3-CVS, please
check if this (still) matches your input parameters. The manual has
been updated.
The demo script in the source code directory has been updated
accordingly. Get also from here:
http://freegis.org/cgi-bin/viewcvs.cgi/grass6/raster/simwe/r.sim.water/spearfish.sh?rev=HEAD&content-type=text/vnd.viewcvs-markup
Markus
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