Fig. 2. Study area. Top: the 92 150 × 150 km WELD tiles (diagonal hatch), MTBS mapped burned areas for 2002 (red) and forested ecoregions (gray) over the Western United States (Northwestern Forest,Marine West Coast Forest, Mediterranean California, Temperate Sierras).
Bottom: the 92WELD tiles overlain on the NLCD 2001 landcover map of the United States.