{"@type": "dcat:Dataset", "accessLevel": "public", "bureauCode": ["005:96"], "contactPoint": {"@type": "vcard:Contact", "fn": "USFSEnterpriseContent", "hasEmail": "mailto:SM.FS.data@usda.gov"}, "description": "<div style='text-align:Left;'><div><div><p style='margin:0 0 0 0;'><span><span>Wildfire Suppression Difficulty Index (SDI) 97th Percentile is a rating of relative difficulty in performing fire control work under regionally appropriate fuel moisture and 20 mph uphill winds (@ 20 ft); Wildfire Suppression Difficulty Index (SDI) 90th Percentile is a rating of relative difficulty in performing fire control work under regionally appropriate fuel moisture and 15 mph uphill winds (@ 20 ft). Wildfire Suppression Difficulty Index (SDI) 80th Percentile is a rating of relative difficulty in performing fire control work under regionally appropriate fuel moisture and 10 mph uphill winds (@ 20 ft).</span></span></p><p><p style='margin:0 0 0 0;'><span><span>SDI factors in topography, fuels, expected fire behavior under prevailing conditions, fireline production rates in various fuel types with and without heavy equipment, and access via roads, trails, or cross-country travel. SDI does not account for standing snags or other overhead hazards to firefighters, so it is not a firefighter hazard map. It is only showing in relative terms where it is harder or easier to perform suppression work.</span></span></p></div></div></div></p>", "distribution": [{"@type": "dcat:Distribution", "accessURL": "https://www.arcgis.com/sharing/rest/content/items/3d4a174dd1634e8e948880340f5c4548/info/metadata/metadata.xml?format=iso19139", "conformsTo": "https://www.isotc211.org/2005/gmi", "mediaType": "text/xml", "title": "ISO-19139 metadata"}, {"@type": "dcat:Distribution", "accessURL": "https://data-usfs.hub.arcgis.com/datasets/usfs::wildfire-suppression-difficulty-index-90th-percentile-2025-image-service", "format": "Web Page", "mediaType": "text/html", "title": "ArcGIS Hub Dataset"}, {"@type": "dcat:Distribution", "accessURL": "https://imagery.geoplatform.gov/iipp/rest/services/Fire_Aviation/USFS_EDW_SAB_WildfireSuppressionDifficultyIndex90thPerc/ImageServer", "format": "ArcGIS GeoServices REST API", "mediaType": "application/json", "title": "ArcGIS GeoService"}], "identifier": "https://www.arcgis.com/home/item.html?id=3d4a174dd1634e8e948880340f5c4548", "issued": "2019-04-16", "keyword": ["wildfire", "fire suppression", "landscape", "fuels", "SDI"], "landingPage": "https://data-usfs.hub.arcgis.com/datasets/usfs::wildfire-suppression-difficulty-index-90th-percentile-2025-image-service", "license": "https://creativecommons.org/licenses/by/4.0/", "modified": "2025-12-02", "programCode": ["005:059"], "progressCode": "onGoing", "publisher": {"name": "U.S. Forest Service", "source": "USFS Chief Information Office, Enterprise Data Warehouse"}, "spatial": "-127.9035,22.8855,-65.3287,51.6127", "theme": ["geospatial"], "title": "Wildfire Suppression Difficulty Index 90th Percentile 2025 (Image Service)"}