Figure 4From: Fire Frequency, Area Burned, and Severity: A Quantitative Approach to Defining a Normal Fire YearDistribution of fire severity for the Yosemite study area. All dNBR pixels from fires >40 ha from 1984 through 2009 are included. Vertical lines delineate the severity quartiles for all area burned between 1984 and 2009.Back to article page