20250723 14455700 1.0 TRUE EDW_BurnedAreaEmergencyResponse_01 BAER Burned Area Emergency Response Post-fire USDA Forest Service assessment biota climatology/atmosphere environment geoscience boundary critical values wildfire wildland fire Soil Burn Severity is a measure of a fire's effects on the ground surface and soil condition. The map identifies the fire-induced changes in soil and ground surface properties that may affect infiltration, runoff, and erosion potential. The BAER Team uses this map to identify areas of unacceptable risk to a critical value and where mitigating treatments may be most effective. This product is appropriate for wildland landscapes and does not represent fire effects in developed areas. <div style='text-align:Left;font-size:12pt'><div><div><p><span>An initial Burned Area Reflectance Classification (BARC) dataset is created by analyzing a differenced Normalized Burn Ratio (dNBR) image, which was derived from the paired pre- and post-fire images USDA Forest Service, Geospatial Technology and Applications Center, BAER Imagery Support Program. The dNBR attempts to portray the variation in burn severity within a burned area, capturing the combined effects of the fire on the vegetation and soil components of the ecosystem. The preliminary BARC dataset is then assessed, and field validated by a Forest Service Burned Area Emergency Response (BAER) team. The Classified BARC image is adjusted and modified, as needed, based on field observations. The resulting product is a Final Soil Burn Severity. Severity Indicators High soil burn severity: Most or all pre-fire ground cover and surface organic matter (litter, duff, and fine roots) is generally consumed, and charring may be visible on larger roots. Soil is often gray, orange, or reddish at the ground surface where large or dense fuels were concentrated and consumed. Soil structure is often altered and less stable at the surface. Moderate soil burn severity: Up to 80 percent of the pre-fire ground cover may be consumed but generally not all of it. There may be potential for recruitment of effective ground cover from scorched needles or leaves remaining in the canopy that will soon fall to the ground. Soil structure is generally unchanged. Low soil burn severity: The ground surface, including any exposed mineral soil, may appear brown or black (lightly charred), and surface organic layers are not completely consumed. The canopy and understory vegetation will likely appear “green.” Very low soil burn severity or Unburned: Little to no burn expected within these areas except in small patches, or where fuels were sparse. Canopy and ground litter almost completely intact. Little to no vegetation mortality expected.</span></p></div></div></div> iVBORw0KGgoAAAANSUhEUgAAASwAAADICAYAAABS39xVAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAO xAAADsQBlSsOGwAACuBJREFUeJzt3VtvFOcdx/Hfnr3rXa9Pa/AJDMI2hhQI4ZCQkAIRSSFRqkRp EVIvqkZVlfauN30DeQ+VetGovWvTXkVqFbVN0kaEpHUCOFCEIVBzcIiDARvbeO31TjWjNFWSNhjY 3Zn/zvcjraJEsf1oZ/XVHJ59nrjjOI4AwIC43wMAgOUiWADMIFgAzCBYAMwgWADMIFgAzCBYAMwg WADMIFgAzCBYAMwgWADMIFgAzCBYAMwgWADMIFgAzCBYAMwgWADMIFgAzCBYAMwgWADMIFgAzCBY AMwgWADMIFgAzCBYAMwgWADMIFgAzCBYAMwgWADMIFgAzCBYAMwgWADMIFgAzCBYAMwgWADMIFgA zCBYAMwgWADMIFgAzCBYAMwgWADMIFgAzCBYAMwgWADMIFgAzCBYAMwgWADMIFgAzCBYAMwgWHXo 6qlTunj8mB44+LQyLS1+DweoGIJVh1p6e3Xr6lXFk0m/hwJUFMGqQ6mmJvU/8cSy//+lxUVFYzFF otGqjgu4XwQr5BzH0aXhYaXzeRUGBhSN85FAcPHpDDvHUalY1MToqJp7e5XK5fweEfB/EayQcy8D 1+3Z4/cwgGUhWKgap1z2zt7cKMaSSUUiEd5t3BeChapZWljQxLlRJdIZtfetUYT7Y7hPBAtV455V ta5arWgsrkgsxjuN+0aw7uJs4czrr6t9YEAdg4P3/87XkXKppPmpKWXa2r7w391LwXS+2bdxof4Q rGUql8uaOHNG5aUlgvUlV0+e1CenT2vLoUPM5UJVEaxlSqRS2vnii5oaH6/uETFmdnJSF44c0YOH 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