Mohsin wrote:
I am new to Grass and need your help.
I am doing a course and I will be
grateful if you can advise me on the following question and
where to start.
Thanks for your time.
_________________________
As the GIS engineer at a consulting firm, you are to find
and assess the hazard risk of a debris flows in a watershed in
the NC database.
[...]
you might start by reading the "raster quick intro" and looking
at the help pages for the various raster modules.
http://grass.osgeo.org/grass64/manuals/html64_user/index.html
http://grass.osgeo.org/wiki/GRASS_Help
http://grass.osgeo.org/wiki/Quick_wxGUI_tutorial
http://grass.osgeo.org/gdp/grassmanuals/grass64_module_list.pdf
good luck,
Hamish