LANDFIRE 2010 v1.2.0

-----------
Last updated on 6/28/2013 12:41:09 PM.

Landscape Data Introduction

WFDSS uses the aspect, slope, elevation, fuel model, canopy cover, canopy base height (CBH), canopy bulk density (CBD), and stand height layers to a create landscape file that displays fuels, topography and canopy information simultaneously (go to the Intelligence or Incidents - Situation page, or for fire behavior modeling, go to the Analysis page). Similar to the LANDFIRE data, all values are measured with the metric system:

Variable	Unit of Measure
aspect	degrees
slope	degrees
elevation	meters
canopy base height	meters
canopy bulk density	kg/m3
canopy cover	percent
stand height	meters
fire behavior fuel model	40 or 13 (user selected)

-----------
Last updated on 3/17/2017 12:39:42 PM.

Fire Behavior Modeling Considerations with LANDFIRE 2010 v1.2.0

• Users will notice an increase in the amount of rock represented as a fuel model 99, especially in higher elevation areas.
• Users will still need to update fire scars and other disturbance after 2010.
• Either the Finney (1998) or Scott and Reinhardt (2001) (https://www.fire.org/downloads/nexus/2.0.0/rp29.pdf) crown fire method (CFM) is suitable for the initial analysis.
• The Scott and Reinhardt CFM will produce greater rate of spread and flame lengths when fire type is predicted as passive crown fire compared to Finney CFM.
• Users are encouraged to download the LCP critique in WFDSS to evaluate the fire behavior fuel models and canopy attributes that will affect predicted fire behavior.

Note: Because these data can be downloaded and used in multiple places or use different fire modeling tools within WFDSS, there are other ramifications for using all the various datasets in FSPro, short-term fire behavior, near-term fire behavior, etc. Consequently, you should calibrate the final selected crown fire method to observed fire behavior and adjust it to the local area.

 

 

Landscape 2010 v1.2.0

Landfire 2010 v1.2.0 data for the continental United States, Alaska, and Hawaii were delivered in 2013. LANDFIRE (LF) 2010 was an update to LF2008 to more accurately represent current conditions and account for landscape disturbances that occurred in CY 2009 and 2010. Disturbances include: treatment activities such as wildland fire, fuel and vegetation treatments, mortality from insects and disease, storm damage, invasive plants, and other natural or anthropogenic events.

LF 2010 used airborne and spaceborne lidar, and spaceborne synthetic aperture radar (SAR) to map vegetation structure in areas where ground-based field information was lacking, including Alaska and U.S.-affiliated islands in the Caribbean and the Pacific.

Several enhancements were made to the existing vegetation type layer in LF 2010:

• Urban expansion was mapped using data from the National Land Cover Database (NLCD) 2006 land cover layer.
• Refinement of agricultural lands used the National Agricultural Statistics Service's Cropland Data Layer 2011.
• Wetland extents were enhanced using NLCD 2006 land cover and National Wetlands Inventory data.

If you are selecting the KBDI version of this data (Available only in they Southeastern U>S>), please click here for more information on how that layer is automatically adjusted for drought conditions.