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13 Anderson Fire Behavior Fuel Models


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These original 13 standard fire behavior fuel models serve as input to Rothermel's surface fire behavior and spread model. LANDFIRE's (LF) 13 Anderson Fire Behavior Fuel Model (FBFM13) represents distinct distributions of fuel loading found among surface fuel components (live and dead), size classes, and fuel types. The fuel models are described by the most common fire-carrying fuel type (grass, brush, timber litter, or slash), loading and surface area-to-volume ratio by size class and component, fuelbed depth, and moisture of extinction.

FBFM13 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 Settings (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 2016 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 represent vegetation that existed prior to disturbance for disturbed areas and EVT at non-disturbance locations. The pre-disturbance scenario is represented by the vegetation that existed before the event occurred. The assignments of fuel models are 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 FBFM13 is assigned using FDist capable fuels, as a result it has "capable fuels" functionality. LF Remap FBFM13 products better represent active and potential wildfire behavior on the current landscape and can serve as input to wildland fire prediction models.

LF 2016 Remap for Alaska (AK) includes a 90-kilometer buffer along the 1,500 miles of the eastern and southern borders AK shares with Canada.

LF 2019 Limited products focus on updating areas of change/disturbance that occurred since the completion of LF 2016 Remap, including the years of 2017, 2018, and 2019. The non-disturbed vegetation will be identical to LF Remap. Fuel products in LF 2019L pixels mapped as disturbed by LF from 2011–2019 have been transitioned to estimate conditions in 2021. These products will include capable fuels, bringing the data to a 2021 effective condition.

Product availability

Attribute Data DictionaryPDF

Comma separated value (CSV) files can be found in the LF Library.

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Metadata:

  • CONUS (LF 2020 Remap 2.2.0) 2022 capable [HTML] [XML]
  • AK (LF 2016 Remap 2.0.0) 2020 [HTML] [XML]
  • HI (LF 2016 Remap 2.0.0) 2020 [HTML] [XML]

picture of an FBFM13 example
Northwest region - LF 2016 Remap FBFM13


 

 
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