View source for File:cropland.data-float32-4320x2160

==Summary==

Raw [[headerless data]]: World map of crop land.

Grid of numbers, each ranging from 0 to 1, to indicate "what fraction of this area is crop land"

Map projection: equirectangular (geographic).


Converted from "Cropland2000_5m.tif" (file in [[:File:CroplandPastureArea2000_Geotiff.zip]]): raw data extracted using [http://libtiff.org/tools tifftools].

Ocean areas contain negative numbers to indicate "non-applicable". When using this data to [[Code:isochromic.c|generate images]], you'll probably want to replace the negatives with zeroes, using a command such as <code>cropland >= 0</code>.


Data source:
: Ramankutty, N., A.T. Evan, C. Monfreda, and J.A. Foley (2008), Farming the planet: 1. Geographic distribution of global agricultural lands in the year 2000. Global Biogeochemical Cycles 22, GB1003, doi:10.1029/2007GB002952.

Note: This dataset is from the year 2000. By now, there is probably a few percent more farmland and [[habitat loss]] - but at least this dataset still provides a general sense of how land is on Earth. If you know of a newer dataset, please let me know in the [[{{TALKPAGENAME}}|talk page]].


==Zipped download==

The download is a zip file, but it ''does not'' have a .zip extension, because of MediaWiki limitations. Please rename the file after downloading it (add the .zip extension) and then extract the actual file from it.

The file is 4 MB when zipped, and 36 MB when unzipped.


==See also==
* [[:File:pasture.data-float32-4320x2160]]