Aids to Determining Fuel Models for Estimating Fire BehaviorU.S. Department of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station, 1981 - Fire prevention - 22 pages |
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Page 3
... understory ) 2.00 .50 .50 Tall grass ( 2.5 feet ) 3.01 .00 .00 00000 1.0 1.0 2.5 2535 Percent 12 15 Chaparral and shrub fields Chaparral ( 6 feet ) 5.01 2.00 5.01 6.0 20 Brush ( 2 feet ) 1.00 .00 2.00 2.0 Dormant brush , hardwood slash ...
... understory ) 2.00 .50 .50 Tall grass ( 2.5 feet ) 3.01 .00 .00 00000 1.0 1.0 2.5 2535 Percent 12 15 Chaparral and shrub fields Chaparral ( 6 feet ) 5.01 2.00 5.01 6.0 20 Brush ( 2 feet ) 1.00 .00 2.00 2.0 Dormant brush , hardwood slash ...
Page 5
... Photo 4 . Open ponderosa pine stand with annual grass understory . Photo 5 : Scattered sage within grass- lands on the Payette National Forest . Fire Behavior Fuel Model 3 Fires in this fuel are. 5 Fire Behavior Fuel Model.
... Photo 4 . Open ponderosa pine stand with annual grass understory . Photo 5 : Scattered sage within grass- lands on the Payette National Forest . Fire Behavior Fuel Model 3 Fires in this fuel are. 5 Fire Behavior Fuel Model.
Page 8
... understory . The fires are generally not very intense because surface fuel loads are light , the shrubs are young with little dead material , and the foliage con- tains little volatile material . Usually shrubs are short and almost ...
... understory . The fires are generally not very intense because surface fuel loads are light , the shrubs are young with little dead material , and the foliage con- tains little volatile material . Usually shrubs are short and almost ...
Page 9
... understory mainly sage with some grass intermixed . dead and live , tons / acre 6.0 Dead fuel load , 1 / 4 - inch , tons / acre 1.5 Live fuel load , foliage , tons / acre 0 Fuel bed depth , feet 2.5 Photo 16. Southern hardwood shrub ...
... understory mainly sage with some grass intermixed . dead and live , tons / acre 6.0 Dead fuel load , 1 / 4 - inch , tons / acre 1.5 Live fuel load , foliage , tons / acre 0 Fuel bed depth , feet 2.5 Photo 16. Southern hardwood shrub ...
Page 10
... understory . Photo 20. Southern rough with moderate to heavy palmetto - gallberry and other species . Photo 21. Slash pine with gallberry , bay , and other species of under- story rough . Timber Group Fire Behavior Fuel Model 8 Slow ...
... understory . Photo 20. Southern rough with moderate to heavy palmetto - gallberry and other species . Photo 21. Slash pine with gallberry , bay , and other species of under- story rough . Timber Group Fire Behavior Fuel Model 8 Slow ...
Common terms and phrases
13 fuel models 1978 NFDRS fuel 3-inch dead Albini Behavior Fuel Model behavior Total fuel brush Cattelino chamise chaparral choice for model cover types Danger Rating System dead and live Dead fuel load Deeming Douglas-fir estimating fire behavior feet field situations Fire Behavior Fuel fire behavior Total fire danger rating fire intensity fire spread Flame length Chains/hour foliage Fuel bed depth fuel groups Fuel model values fuel moisture content fuel properties fuel types Glacier National Park Group Fire Behavior hardwood herbaceous material ignition inches 7.6 cm Kessell layer Live fuel load lodgepole pine logging slash mi/h mixed conifer National Fire-Danger Rating NFDRS fuel models nomographs overstory percent Photo photographs pocosin Ponderosa pine Range Exp rate of spread Region represented Rothermel 1972 shrub field shrublands slash Southern rough spread Flame length Timber litter tons/acre Fuel bed tons/acre Live fuel Total fuel load understory USDA values for estimating vegetation wildland