Abstract
The global geological land use/cover data is essential to analyze the global environmental problem. Cropland distribution data is one of the most important land use/cover data. Because the spatially distribution of cropland is closely related with global problems, such as food security, water stress, land degradation, material circulation. We present a method for characterizing cropland distribution which links with geographical data such as Global Land Cover Characteristics (GLCC), Global Forest Canopy Density (GFCD) and census statistics of cropland. We also validated the method by comparing with the Japan's land-use with high accuracy, and confirmed that the estimated distribution by our method has high consistency than GLCC.
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