[GRASS-user] runoff map

GRASS GRASS user
1

Hi,

I want to generate a runoff map starting from elevation map and annual rainfall…is there a tool in GRASS?

Thanks,

Salvatore

2

I want to generate a runoff map starting from elevation map and annual rainfall…is there a tool in GRASS?

Some of these modules may be of assistance:

http://grass.fbk.eu/grass64/manuals/html64_user/r.terraflow.html

http://grass.fbk.eu/grass64/manuals/html64_user/r.watershed.html

A more sophisticated module addressing rainfall events over spatially variable terrain, with associated output depths and flow velocities:

http://grass.fbk.eu/grass64/manuals/html64_user/r.sim.water.html

Mark