[GRASS-user] r.sim.water - error

[M S]

thanks for the information.  I look forward to 6.3.

If using GRASS 6.2, would the input units for rain and infiltration be mm/hr
?  Or is everything based on meters in 6.2?


thanks.

On 5/14/07, Markus Neteler <neteler at itc.it> wrote:
>
> 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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