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Cropland for sub‐Saharan Africa: A synergistic approach using five land cover data sets

Cropland for sub‐Saharan Africa: A synergistic approach using five land cover data sets This paper presents a methodology for the creation of a cropland map for Africa through the combination of five existing land cover products: GLC‐2000, MODIS Land Cover, GlobCover, MODIS Crop Likelihood and AfriCover. A synergy map is created in which the products are ranked by experts, which reflects the likelihood or probability that a given pixel is cropland. The cropland map is then calibrated with national and sub‐national crop statistics using a novel approach. Preliminary validation of the map was undertaken and the results are presented. The resulting cropland map has an accuracy of 83%, which is higher than the accuracy of any of the individual maps. The cropland map is freely available at agriculture.geo‐wiki.org. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Geophysical Research Letters Wiley

Cropland for sub‐Saharan Africa: A synergistic approach using five land cover data sets

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References (17)

Publisher
Wiley
Copyright
Copyright © 2011 Wiley Subscription Services, Inc., A Wiley Company
ISSN
0094-8276
eISSN
1944-8007
DOI
10.1029/2010GL046213
Publisher site
See Article on Publisher Site

Abstract

This paper presents a methodology for the creation of a cropland map for Africa through the combination of five existing land cover products: GLC‐2000, MODIS Land Cover, GlobCover, MODIS Crop Likelihood and AfriCover. A synergy map is created in which the products are ranked by experts, which reflects the likelihood or probability that a given pixel is cropland. The cropland map is then calibrated with national and sub‐national crop statistics using a novel approach. Preliminary validation of the map was undertaken and the results are presented. The resulting cropland map has an accuracy of 83%, which is higher than the accuracy of any of the individual maps. The cropland map is freely available at agriculture.geo‐wiki.org.

Journal

Geophysical Research LettersWiley

Published: Feb 1, 2011

Keywords: ; ; ;

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