[GRASSLIST:1078] Re: Curve Lines for Hydrology
neteler at geog.uni-hannover.de
Fri Nov 3 10:04:29 EST 2000
On Fri, Nov 03, 2000 at 08:08:40AM -0600, Johnny Duke wrote:
> Does anyone have a script to figure weighted curve numbers for
> I have a request to do:
> curve numbers for each polygon based on soils and land use.
> weighted =A,CN+A2CN2+....+AnCNn
> CN _____________________
> Area Watershed
> Where A1= Area subpolygon 1
> An= Area subpolygon n
> Area Watershed = A1+A2+A3+.....+An
> Weighted = Weighted Average
> CN CN for whole Watershed Area
> There will be three layers watershed soils and land use.
Did you try
I am not sure if it is what you want.
More information about the grass-user