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Has anybody done wildfire modelling in GRASS? Where could I obtain / how do I create the fuel models and live fuel moisture rasters to determine rate of spread (r.ros)?

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Have you tried WFAS? –  Deer Hunter Mar 30 '13 at 16:30
    
You may want to check with the "Fire simulation data" set from grass.osgeo.org/download/sample-data –  markusN Mar 30 '13 at 16:41
    
Thank you, this should help tremendously :) –  Bernie Mar 31 '13 at 7:39
    
Bernie, some (wildland fire) fuel models are a classification of the vegetation based on the type and the density of the vegetation. For example, I have in mind major forest type classes (Deciduous or Evergreen and Broadleaved or Coniferous and Mixed as well -- set aside lower vegetations such as shrubs, scrubs or grasses). Then density classes, i.e. Sparse, Open, Dense. If you get all of these and mix'em together, you are, in theory, producing a kind of a (forest) fuel map. –  Nikos Alexandris Oct 13 '13 at 10:52
    
Thanks Nikos :) I've figured it all out, except I somehow need to adapt the American fuel models to South African vegetation. Finding appropriate landcover data at a high enough resolution is also a bit of a challenge. –  Bernie Oct 13 '13 at 11:57
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