Fire return interval in CA, 1908-2012

Nov 5, 2015
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Description:
The current fire return interval is calculated by dividing the number of years in the fire record by the number of fires occurring during that time period, then adding a value of one (CurrentFRI = Number of years/Number of fires+1). This dataset is current to 2012. Although fires prior to 1908 are recorded in the fire perimeter database, they are not included in this analysis due to lack of consistency in reporting (1908 is the year that the US Forest Service began to formally record information on size and location of major fires).CurrentFRI is derived by overlaying the fire perimeters on the PFR polygons and summing the number of fires affecting each polygon after 1908.
Data Provided By:
This is a joint product of the USDA Forest Service, Pacific Southwest Region Ecology Program; the USDA Forest Service, Pacific Southwest Region Remote Sensing Lab; and The Nature Conservancy-California.
Data Hosted by:
ScienceBase (USGS) View Record
Map Service URL:
https://www.sciencebase.gov/arcgis/rest/services/Catalog/563be0fbe4b0d6133fe76016/MapServer/
Content date:
2012 (Release Date)
Contact Organization:
not specified
Contact Person(s):
not specified
Use Constraints:
This is a joint product of the USDA Forest Service, Pacific Southwest Region Ecology Program; the USDA Forest Service, Pacific Southwest Region Remote Sensing Lab; and The Nature Conservancy-California.
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FGDC Standard Metadata XML
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Dataset Type:
External Map Service (ArcGIS)
Tags:
forestry, ca, fire, natural resources, protection, nv
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About the Uploader

PacificSouthwestRegion
Multiple Administrators with US Fish and Wildlife Service

This US Fish and Wildlife User Group is responsible for maintaining the Pacific Southwest Region Web Mapping Portal