Geospatial Analysis of Agricultural Water-meter Data In South Georgia
Torak, Lynn J.
Painter, Jamie A.
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Since November 2008, the U.S. Geological Survey, in cooperation with the Georgia Soil and Water Conservation Commission, has been researching methods for estimating agricultural water use and growing-season pumping rates through the analysis of water-meter data. A geographic information system has been used for geospatial analyses of the data and has yielded promising results for identifying seasonal pumping patterns. For example, cluster and hot-spot analyses of annually read meter data indicate a northwest-to-southeast trend of low-to-high agricultural-irrigation volume, respectively, which could signal relations between water availability, precipitation, soil type, and crop choice among farmers.