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Economic Feasibility of Saving Water Through Controlling Outflow of Ghanats

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Irrigation and Drainage Systems

Abstract

The purpose of this study was toinvestigate the economic feasibility ofimplementing a scheme to control theoutflow of ghanats in Iran. The schemesaves an average of 34,000 m3 of waterper ghanat each year during the months whenthere is no agricultural activity. Thewater saved will later be used forirrigation purposes. The cost of theimplementation of the scheme is compared tothose of two other alternatives: theconstruction of new ghanats and the diggingof new wells to provide the same amount ofwater saved by the scheme. The resultsindicate that obtaining the amount of watersaved by executing the scheme costs 877 and26 times less than those required forproducing a new ghanat or a new well,respectively. On the basis of theseresults, application of the scheme to 25%of the existing ghanats in Iran that aretechnically suitable is stronglyrecommended.

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Authors and Affiliations

  1. Agricultural Engineering-Water Department, Shiraz University, Shiraz, Iran

    S. Amin

  2. College of Agriculture, Isfahan University of Technology, Isfahan, Iran

    J.M. Sadeghi

  3. Agricultural Economics, Shiraz University, Shiraz, Iran

    M.A. Salimi Manshadi

Authors
  1. S. Amin
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  2. J.M. Sadeghi
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  3. M.A. Salimi Manshadi
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Amin, S., Sadeghi, J. & Manshadi, M.S. Economic Feasibility of Saving Water Through Controlling Outflow of Ghanats. Irrigation and Drainage Systems 18, 145–154 (2004). https://doi.org/10.1023/B:IRRI.0000040253.98880.86

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  • DOI: https://doi.org/10.1023/B:IRRI.0000040253.98880.86

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