Standard Fire Behavior Fuel Models: A Comprehensive Set for Use with Rothermel's Surface Fire Spread ModelU.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, 2005 - Fire management - 72 pages This report describes a new set of standard fire behavior fuel models for use with Rothermels surface fire spread model and the relationship of the new set to the original set of 13 fire behavior fuel models. To assist with transition to using the new fuel models, a fuel model selection guide, fuel model crosswalk, and set of fuel model photos are provided. |
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13 fuel models 15 20 Midflame 20 Midflame Wind 25 dead fuel behavior fuel models Blowdown carrier of fire Characteristic SAV ft-1 comparable spread rate dead fuel moisture dynamic fuel models Extinction moisture content Fine fuel load fire behavior fuel fire spread model Flame Length ft flame length low flame length moderate fuel load t/ac fuel moisture 20 fuel particle fuelbed depth Grass-Shrub herbaceous fuel herbaceous moisture content high Flame Length High Load higher spread rate length For comparable length For slightly length very high live herbaceous moisture Low Load low low moderate low moderate high lower flame length lower spread rate Midflame Wind Speed moderate high Flame Moderate Load moisture 20 15 moisture content percent Moisture of extinction moisture very low Packing ratio dimensionless primary carrier rate and flame rate and slightly Rate of Spread slightly lower spread Spread ch/h Spread rate high Spread rate moderate Wind Speed mi/h