Service Description: The purpose of the Chugach All Lands Wildfire Risk Assessment (ARRA) is to provide foundational information about wildfire hazard and risk to highly valued resources and assets across the assessment area. Such information supports forest fuel management planning decisions, as well as revisions to land and resource management plans. A wildfire risk assessment is a quantitative analysis of assets and resources and how they would be potentially impacted by wildfire. The ARRA analysis considers several different components, each resolved spatially across the forest, including:
• likelihood of a fire burning,
• the intensity of a fire if one should occur,
• the exposure of assets and resources based on their locations, and
• the susceptibility of those assets and resources to wildfire.
Service ItemId: 939e6ba779094b1ab04b877c88974902
Has Versioned Data: false
Max Record Count: 2000
Supported query Formats: JSON
Supports applyEdits with GlobalIds: True
Supports Shared Templates: True
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Layers:
Description: The 6th-level watershed feature class was used to summarize the wildfire risk attributes by watershed. Data were acquired from USGS (https://prd-tnm.s3.amazonaws.com/StagedProducts/Hydrography/WBD/National/GDB/WBD_National_GDB.zip).The ARRA project report contains detailed information on data sources and methods.
Primary data contacts: Mark Cahur (USFS) mark.cahur@usda.gov
This dataset was developed for Chugach National Forest by Pyrologix LLC (www.pyrologix.com).
Spatial Reference: 102100 (3857)
Initial Extent:
XMin: -17552376.7282738
YMin: 8067150.95236189
XMax: -16243657.0004357
YMax: 8767136.44781823
Spatial Reference: 102100 (3857)
Full Extent:
XMin: -17045959.649008
YMin: 8193399.67837864
XMax: -16531312.8579105
YMax: 8728492.22784408
Spatial Reference: 102100 (3857)
Units: esriMeters
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