Rapid Assessment of Vegetation Condition after Wildfire (RAVG) Basal Area Percent Change (Map Service)

The USDA Forest Service Rapid Assessment of Vegetation Condition after Wildfire (RAVG) program produces geospatial data and maps of post-fire vegetation condition using standardized change detection methods based on Landsat or similar multispectral satellite imagery. RAVG data products characterize vegetation condition within a fire perimeter, and include estimates of percent change in basal area (BA), percent change in canopy cover (CC), and a standardized composite burn index (CBI). Standard thematic products include 7-class percent change in basal area (BA-7), 5-class percent change in canopy cover (CC-5), and 4-class CBI (CBI-4). Contingent upon the availability of suitable imagery, RAVG products are prepared for all wildland fires reported within the conterminous United States (CONUS) that include at least 1000 acres of forested National Forest System (NFS) land (500 acres for Regions 8 and 9 as of 2016). Data for individual fires are typically made available within 45 days after fire containment ('initial assessments'). Late-season fires, however, may be deferred until the following spring or summer ('extended assessments'). National mosaics of each thematic product are prepared annually. Mosaics of extended assessments, if any, are provided separately from initial assessment mosaics. This map service includes annual raster mosaics of published BA-7 datasets for fires that burned during calendar years 2013 through 2020, excluding 2020 extended assessments. The associated burned area perimeters are available via the Enterprise Data Warehouse (EDW, see https://data.fs.usda.gov/geodata/edw/datasets.php).

Data and Resources

Additional Info

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Source https://data-usfs.hub.arcgis.com/documents/usfs::rapid-assessment-of-vegetation-condition-after-wildfire-ravg-basal-area-percent-change-map-service
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Shared (this field will be removed in the future) Open
IB1 Sensitivity Class
IB1 Trust Framework
IB1 Dataset Assurance
IB1 Trust Framework
GUID https://www.arcgis.com/home/item.html?id=60d7ee2eb63f4e5cb99dc382ac1646f4
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dcat_issued 2017-06-08
dcat_modified 2022-08-25
dcat_publisher_name U.S. Forest Service
harvest_object_id ba0294ee-5075-43b4-8826-f336c018827d
harvest_source_id 2c0b1e04-ba48-4488-9de5-0dab41f9913f
harvest_source_title USDA Open Data Catalog