Graduate Project
 

Estimation of global arable and irrigable land using GIS

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  • As part of a study to determine the history and potential for conflict in international freshwater basins, an estimate was made of the location of arable and irrigable land in the world. Knowledge about the world's arable and irrigable land was desired since this information could be an indicator of the potential for water resources development in a nation. This study's approach to estimating arable and irrigable land was an improvement over previous approaches in that relatively new information sources (satellite imaging) and techniques (geographic information systems) were used in the analysis. The analysis showed that, on the continent scale, the amount of land currently under crops and the amount of land currently irrigated were a small percentage of the estimated arable and irrigable land, respectively. Also apparent from the analysis was the fact that significant refinements in the resolution of the spatial data are needed in order for accurate estimates of arable and irrigable land to be made.
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  • File scanned at 300 ppi (Monochrome, 24-bit Color) using Capture Perfect 3.0.82 on a Canon DR-9080C in PDF format. CVista PdfCompressor 4.0 was used for pdf compression and textual OCR.
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