Chapter
Apr 26, 2012
Reasons behind Failure of Qanats in the 20th Century
Publication: World Environmental and Water Resources Congress 2008: Ahupua'A
Abstract
Qanats are renewable water supply systems that have sustained human settlement in arid areas such as Iran. By their very nature, Qanats have encouraged sustainable water use for millennia. However, the socio-economic changes in the 20th century introduced other water harvesting methods such as deep wells whose immediate advantages caused Qanats to be laid aside even though the application of these new methods alone could not contribute to achieving sustainable water resources. By developing the Causal Loop Diagrams of the problem, this study focuses on the interaction dynamics of Qanats and deep wells to explore the physical and socio-economical reasons of Qanats failure in the 20th century.
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© 2008 American Society of Civil Engineers.
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Published online: Apr 26, 2012
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Department of Civil and Environmental Engineering, University of California, Davis, CA 95616. E-mail: [email protected]
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