20190306 00094200 1.0 TRUE Ladder_Fuels_Raw This LiDAR derivative provides information about the density of living and dead vegetation in the vertical strata between 1 and 4 meters above the ground. Recent research has shown that LiDAR metrics that characterize this strata provide a useful proxy for ladder fuels (see references below). Pixel values for this raw ladder fuel LiDAR derivative fall into a 0-1 range and represent the following: # returns between 1 and 4 meters / # returns below 4 meters For a classified version of this data product classified into six classes and stratified by vegetation type, use this image service. This layer is meant to be used as a tool to guide land managers as they identify and prioritize areas for forest and fuels treatments across the landscape. The idea for the ladder fuel metrics came out of a series of papers by Kramer et al. The citations for those papers are here: Kramer, Heather, et al. "Quantifying ladder fuels: a new approach using LiDAR." Forests 5.6 (2014): 1432-1453. Kramer, Heather, et al. "Estimating ladder fuels: a new approach combining field photography with LiDAR." Remote Sensing 8.9 (2016): 766. This dataset was developed to support Ag + Open Space District analysis of 2017 burned areas under a NASA Rapid Response Grant, as well as to support countywide work on the Sonoma County Fuel Model, a Pepperwood Preserve Project funded by the Flora L. Thornton Foundation. 64-foot resolution image service of LiDAR-derived ladder fuels Pepperwood Foundation, the Flora L. Thornton Foundation, Tukman Geospatial LLC, Sonoma Ag + Open Space, NASA None Fuels Ladder Fuels Fire Sonoma 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