These data represent a rapid assessment for the 2000 fire season within the Denali National Park.  Fire perimeter and preliminary analysis for burn severity (differenced normalized burn ratio) are provided for the Foraker fire.
	
Analysis was done using Landsat Thematic Mapper data:
Path/Row      71/15  
Data Sets:     1 year Assessment
Landsat 5        Pre Fire     July 21, 1985
Landsat 7        Post Fire   June 23, 2001


These Landsat images have been geometrically and terrain corrected from the NLAPS (National Landsat Archive Production System) and have been further processed with bands 1-5 and 7 converted to at-satellite reflectance.

The Differenced Normalized Burn Ration (DNBR) data were Reprojected from the US Albers Conical Equal Area Projection to the NPS Albers projection for Alaska using nearest neighbor resampling:

NPS Albers:
Datum - NAD27
Spheroid - Clarke 1866
1st  parallel:   55 00 00 N
2nd parallel:   65 00 00 N
Central Meridian:  154 00 00 W
Latitude of Origin:  50 00 00 N
Pixel Size - 30 x 30 meters

Subset Corner Coordinates (Albers meters, center of pixel):

		ULX	84032			LRX	110252
		ULY	1548689		LRY	1517579

Geographic Bounding Box:

		North  63 53 36 N		South  63 36 29 N
		West  152 18 09 W		East    151 45 06 W


Perimeters were digitized automatically.   Seed value 501, distance 250.

Products generated from data analysis are provided as ArcView project 

Project name:  fora00.apr   (Foraker 2000 fire)
Data themes and theme names contained within this project are:
 
* dnbr_71-15  Arc/Grid of Differenced Normalized Burn Ratio for path/row 71-15
* fora00p.shp  Shapefile of fire perimeter
* fora00_postm.tif  3-band geotiff subset, Landsat 7 bands 7,4,3 (rgb) post fire.
* fora00_pretm.tif  3-band geotiff subset, Landsat 7 bands 7,4,3 (rgb) pre fire.
* fora00_dnbr_rscl.tif (color-coded burn severity, yellow to orange = low to high,  default thresholds <250, 250 - 750, >750).  Note: Clouds appear as high severity burn)