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Fire Return Interval Departure (Frid) - Mean Condition Class
This metric, uses the mean percent FRID to a measure of the extent to which contemporary fires (i.e., since 1908) are burning at frequencies similar to the frequencies that... -
Annual Burn Probability
Annual Burn Probability represents the likelihood of a wildfire of any intensity occurring at a given location (pixel) in a single fire season. In a complete assessment of... -
Fire Severity Classification
Fire severity classification (low, moderate, high) that burned within the last 10 years (2012-2021). The difference-adjusted relativized difference normalized burn ratio (RDNBR)... -
Housing Unit Density
HUDen is a raster of housing-unit density measured in housing units per square kilometer. The HUDen raster was generated using population and housing-unit count and data from... -
Wildland Urban Interface (WUI)
Determine building density and vegetation cover on a pixel-by-pixel basis (Bar Masada et al., 2013). Values in the raster are defined as: 0: Not WUI, 1: Intermix WUI, 2:... -
Building Structure Density
A raster dataset containing building footprints of California. The vintage of the footprints depends on the vintage of the underlying imagery. Bing Imagery is a composite of... -
Urban-Agriculture Land Use
This dataset covers the urban and agricultural landscape for all forms of urban and agricultural land use in California. It was created using a combination of best available... -
Lakes/Reservoirs
Water Bodies such as lake and reservoir features are represented in this layer pulled from the National Hydrography Dataset (NHD). These data were used to erase areas of lakes... -
CWHR Vegetation - Density
Vegetation maps are important for characterizing many important features of a landscape such as wildlife habitat, fuels conditions, forest composition, and carbon. Such data are... -
CWHR Vegetation - Size
Vegetation maps are important for characterizing many important features of a landscape such as wildlife habitat, fuels conditions, forest composition, and carbon. Such data are... -
CWHR Vegetation - Type
Vegetation maps are important for characterizing many important features of a landscape such as wildlife habitat, fuels conditions, forest composition, and carbon. Such data are... -
FIA Forest Types
Managers work with forest types for a variety of purposes and knowing the major forest type of a target location helps to assess the best suited treatment for the site. The F3... -
Ignition Cause -1992-2020 - All Causes
The original point layer (WildfireOccurrence_CA_1992_2020.shp ) contains a spatial database of wildfires that occurred in the United States from 1992 to 2020. It is the fifth... -
Ignition Cause -1992-2020 - Human Cause
These rasters depict the predicted human- and lightning-caused ignition probability for the state of California. Ignition is regulated by complex interactions among climate,... -
Fire Ignition Probability Lightning Cause
These rasters depict the predicted human- and lightning-caused ignition probability for the state of California. Ignition is regulated by complex interactions among climate,... -
Fire Return Interval Departure (Frid) - Time Since Last Fire
Time Since Last Fire (TSLF), from the Fire Return Interval Departure (FRID) map, provides information (in years) to indicate the length of time since an area last burned.