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40 Scott and Burgan Fire Behavior Fuel Models

40 Scott and Burgan Fire Behavior Fuel Model (FBFM40) represents distinct distributions of fuel loading found among surface fuel components (live and dead), size classes, and fuel types. This set contains more fuel models in every fuel type (grass, shrub, timber, slash) than Anderson's set of 13. The number of fuel models representing relatively high dead fuel moisture content increased, and fuel models with an herbaceous component are now dynamic, meaning that loads shift between live and dead (to simulate curing of the herbaceous component) rather than remaining constant.

LANDFIRE's (LF) FBFM40 was evaluated through a series of workshops held across the nation with fire and fuels specialists. Workshop participants reviewed and adjusted surface fuel model rulesets using unique combinations of Existing Vegetation Type (EVT), Existing Vegetation Cover (EVC), Existing Vegetation Height (EVH), and in some cases Biophysical Setting (BPS).

Annual Disturbance products were first incorporated into fuel production during LF 2008. The introduction of this information allowed for informed changes to the assigned fuel models from disturbance type, severity, and time since the disturbance.

In LF Remap Fuel, Vegetation Type, Fuel Vegetation Cover, and Fuel Vegetation Height are incorporated in place of EVT, EVC, and EVH in fuel model assignment. The fuel vegetation products are pre-disturbance at disturbance locations and EVT at non-disturbance locations. The assignment of fuel models is informed by pre-disturbance vegetation and type, severity, and time since disturbance.

In addition, LF Remap fuels products in disturbed areas have been revised to expected 2019 or 2020 vegetation conditions for disturbances that have occurred between 2010 and 2016, making the fuels products 2019 capable or 2020 capable. LF Remap FBFM40 is assigned using FDist capable fuels, as a result it has "capable fuels" functionality. LF Remap FBFM40 products better represent active and potential wildfire behavior on the current landscape and can serve as input to wildland fire prediction models.

Modeling Dynamic Fuels with an Index System (MoD-FIS) - refined EVH classification based upon current estimates of EVC from Landsat imagery for the current growing season.

Product availability

Attribute Data Dictionary (LF 2.0.0)PDF
Attribute Data Dictionary (LF 1.4.0) PDF

The comma separated value (CSV) file used for the raster attribute table is included in the LF product download in database file (DBF) format.
(Why is the CSV important?)



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