file format : GeoTIFF File Format file title : treecov last update : 30-March-2010 producer : T. Hengl lineage : http://spatial-analyst.net/scripts/getGLCF.R data type : Byte file type : GTiff columns : 7200 rows : 3600 meas. scale : numeric description : Continuous Fields Tree Cover for 1992-1993 proj4string : +proj=longlat +ellps=WGS84 ref. system : geographic ref. units : arcdegrees unit dist. : 1 min. X : -180 max. X : 180 min. Y : -90 max. Y : 90 pos'n error : 1000 resolution : 0.05 min. value : 0 max. value : 255 display min : 0 display max : 80 value units : percent cover value error : unspecified flag value : 0 flag def'n : water bodies (sea/ocean) src. Eng : AVHRR Continuous Fields Tree Cover src. URL : http://www.landcover.org/data/treecover/ src. scale : 1 km src. refs : DeFries, R., M. Hansen, J.R.G. Townshend, A.C. Janetos, and T.R. Loveland (2000) A new global 1km data set of percent tree cover derived from remote sensing. Global Change Biology. 6: 247-254. src. date : 1992-1993 src. owner : University of Maryland legend cats : 0