BLM OR SEORMP Fire Frequency 1980 - 2017 Clipped RAB Polygon

Metadata Updated: November 12, 2020

Fire_fire_freq_1980_2017_clipRAB:

The "Fire_History" polygon feature class contains the perimeters of wildland fires between 1980 and 2017 (as well as one fire from 1975) within the Resource Area Boundary for the SEORMP. The polygons in this class were captured or derived using several processes: 1) 1996 - tablet digitized mylar maps from fire history files of fire perimeters in the Jordan and Malheur Resource Areas (RAs) of Type 1 (Action) fires larger than 400 acres from 1980 - 1995. 2) 1996 - 1999 Type 1 fires larger than 400 acres for the Jordan and Malheur RAs were captured directly using field methods (e.g. GPS). 3) 1999 - began using field capture methods to record perimeters of Type 1 fires larger than 10 acres in the Malheur and Jordan RAs. 4) 2003 - used the ignition points and control acres recorded in the PCHA database to generate polygons based on radii calculated from control acres for all of the Type 1 fires less than 10 acres in the Malheur and Jordan RAs from 1980 - 2003 and all of the Type 1 fires in the Baker RA from 1980 - 2003 (after 2003 Baker Type 1 fire perimeters larger than 10 acres were captured in the field). 5) 2008 (March) - used the WFMI database ignition points and control acres to generate polygons for all of the Type 1 fires less than 10 acres from 2004 - 2007 and all Type 2 (Natural Outs) and 3 (Support - Assists) fires from 1980 - 2007. 6) 2008 (December) - updated fire history perimeters by loading polygons that were recorded using a GPS and buffers of smaller fires (generally less than 10 acres) generated by using WFMI ignition points and control acres into Fire_History.

Access & Use Information

Public: This dataset is intended for public access and use. License: us-pd

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Dates

Metadata Created Date November 12, 2020
Metadata Updated Date November 12, 2020

Metadata Source

Harvested from DOI Open Data

Additional Metadata

Resource Type Dataset
Metadata Created Date November 12, 2020
Metadata Updated Date November 12, 2020
Publisher Bureau of Land Management
Unique Identifier Unknown
Maintainer
Identifier 2f7db554ade55d88
Data Last Modified 2018-09-30T06:00:00Z
Category geospatial
Public Access Level public
Bureau Code 010:04
Schema Version https://project-open-data.cio.gov/v1.1/schema
License http://www.usa.gov/publicdomain/label/1.0/
Metadata Type geospatial
Program Code 010:000
Source Datajson Identifier True
Source Hash 1418c1b44a4011be9af99759267aa05b6e01af9d
Source Schema Version 1.1
Spatial -120,41.5,-116,49.5

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