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A comparative analysis of global cropping systems models and maps

Weston Anderson, Liangzhi You, Stanley Wood (), Ulrike Wood-Sichra and Wenbin Wu

No 1327, IFPRI discussion papers from International Food Policy Research Institute (IFPRI)

Abstract: This study aims to explore and quantify systematic similarities and differences between four major global cropping systems products: the dataset of monthly irrigated and rainfed crop areas around the year 2000 (MIRCA2000), the spatial production allocation model (SPAM), the global agroecological zone (GAEZ) dataset, and the M3 dataset developed by Monfreda, Ramankutty, and Foley. The analysis explores not only the final cropping systems maps but also the interdependencies of each product, methodological differences, and modeling assumptions, which will provide users with information vital for discerning between datasets in selecting a product appropriate for each intended application.

Keywords: farmland; Cropping systems; yield; Cartography; global cropland; harvested area; downscaling (search for similar items in EconPapers)
Date: 2014
New Economics Papers: this item is included in nep-agr
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