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Forecasting Irrigation Water Demand: A Case Study on the Flint River Basin in Georgia

Published online by Cambridge University Press:  28 April 2015

Swagata “Ban” Banerjee ,
Irfan Y. Tareen ,
Lewell F. Gunter ,
Jimmy Bramblett  and
Michael E. Wetzstein
Swagata “Ban” Banerjee
Affiliation:
Delta Research and Extension Center, Mississippi State University
Irfan Y. Tareen
Affiliation:
Visa, San Francisco, CA
Lewell F. Gunter
Affiliation:
Department of Agricultural and Applied Economics, University of Georgia, Athens, GA
Jimmy Bramblett
Affiliation:
Natural Resources Conservation Service, U.S. Department of Agriculture, Athens, GA
Michael E. Wetzstein
Affiliation:
Department of Agricultural and Applied Economics, University of Georgia, Athens, GA
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Abstract

Southeast drought conditions have accentuated the demand for irrigation in the face of restricted water supply. For allocating this supply, Georgia held an auction for withdrawing irrigated acreage. This auction withdrew 33,000 acres from irrigation, resulting in a physical estimate of a 399 acre-feet daily increase in water flow. The actual reduction is driven by crop distributional changes on the basis of economic substitution and expansion effects. In contrast to the physical estimates, an econometric model that considers these effects is developed. The differences between the physical and econometric models result in an increase in the estimate of water savings of around 19% to 24%.

Keywords

acreage responsecrop distributionirrigated acreageirrigationslippagewater demandwater savingQ12Q25
Type
Research Article
Information
Journal of Agricultural and Applied Economics , Volume 39 , Issue 3 , December 2007 , pp. 641 - 655
Copyright
Copyright © Southern Agricultural Economics Association 2007

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