file format : GeoTIFF File Format
file title  : glcrop
last update : 30-March-2010
producer    : T. Hengl
lineage     : http://spatial-analyst.net/scripts/getIAMdata.R
data type   : Float32
gdal driver : GTiff
columns     : 7200
rows        : 3600
meas. scale : Numeric
description : Cropland areas in 1992 
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  : 0.0
max. value  : 1.0
display min : 0.0
display max : 1.0
value units : percent of area
value error : unspecified
flag value  : -1
flag def'n  : not available / not irrigated
src. Eng    : 1992 Croplands Dataset 
src. URL    : http://www.sage.wisc.edu/download/crop92/croplands.html
src. scale  : 5 arcminutes
src. refs   : Ramankutty, N., Foley, J.A. 1998. Characterizing patterns of global land use: an analysis of global croplands data. Global Biogeochemical Cycles 12(4), 667-685.
src. date   : 1992
src. owner  : University of Wisconsin 
legend cats : 0