| Summary: | Datasets used in: Young, A.M., Higuera, P.E., Duffy, P.A., and F.S. Hu. Climatic thresholds shape northern high-latitude fire regimes and imply vulnerability to future climate change. In Review at Ecography as of 10/2015. ---------------------------------------------------------------------- ----------------------- Description ---------------------------------- ---------------------------------------------------------------------- These data are comprised of 60 individual GeoTIFF files that indicate whether fire is estimated to haved occurred in a given pixel for a given year. Each map is representative of one calendar year. These data are gridded versions of the vector geographic data provided by the Alaska Interagency Coordination Center (AICC; http://fire.ak.blm.gov/). Converting the polygon (i.e., vector) datasets to raster was done using ESRI software in ArcMap 10.1. Specifically, we used the function "Feature to Raster" under the Conversion Toolbox. A given pixel was classified as "fire occurrence" if the center of the pixel overlapped with a fire polygon from the AICC dataset. ---------------------------------------------------------------------- ----------------------- Resolution ----------------------------------- ---------------------------------------------------------------------- Spatial Resolution: 2 km Temporal Resolution: Annual Time Coverage: 1950-2009 ---------------------------------------------------------------------- ------------------------ File Naming --------------------------------- ---------------------------------------------------------------------- 'fire' - fire occurrence data. 1 = fire occurrence -999 = No Data/No Fire '_xxxx' - year (1950-2009) '.tif' - file extention ---------------------------------------------------------------------- ------------------ Geographic Information ---------------------------- ---------------------------------------------------------------------- Rows: 725 Columns: 687 Spatial Extent (in meters) - - Top: 2390439.786 - Left: -656204.44 - Right: 717795.56 - Bottom: 940439.786 Spatial Reference: Albers Equal Area Datum: North American 1983 False Easting: 0 False Northing: 0 Central Meridian: -154 Standard Parallel 1: 55 Standard Parallel 2: 65 Latitude of Origin: 50
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