The Fuel Disturbance (FDIST) layer uses a 10 year stack of disturbance data representing disturbance year and original disturbance code. FDist replaces Vegetation Disturbance (VDIST) from previous Landfire (LF) versions incorporating pre-disturbance vegetation logic (based on disturbance year and vegetation type) to more accurately represent disturbance scenarios within the fuels environment. The data layer development involved a comprehensive review of disturbance attributes assignments with oversight from the Disturbance and Vegetation Teams.
LF uses FDIST iFueln the development of several subsequent layers, including the development of the fuel disturbance layer. Using 3-digit codes, mimicking those in previous Landfire’s versions, History of Disturbance (HDIST) codes are cross-walked to FDist assignments, with the addition of a new 600 series codes to represent unknown mechanical treatments.
Methods used to mitigate data gaps in 2011 and 2012 disturbance products
Fuel Disturbance Attribute Data Dictionary
CONUS/Hawaii CSV for Attribute Tables
Alaska CSV for Attribute Tables
Why is the CSV important?