Suitable Areas Determination for Rain Water Harvesting (Case Study: Kerman Province) | |
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( Volume 2 Issue 4,April 2016 ) OPEN ACCESS | |
Author(s): | |
Danial Dabiri, Abas Alipor, Atefeh Fatahi, Bijan Azad | |
Abstract: | |
The average annual precipitation in Iran is less than one-third of the world average. Also, distribution of rainfall on temporal and spatial scales is poor. For combat water shortage, rain water harvesting (RWH) is the best option in the arid regions like Iran. The main purpose of this study was site selection of water harvesting systems. At the first stage, factors influencing site selection of RWH systems and rainwater storage were determined. The four main criteria including physiographic, rainfall, vegetation and soil factors were selected. At the second stage, standardized and weighted factors based on analysis hierarchy process (AHP) and finally, each layer was multiplied by its weight. Results showed that the most important factor for site selecion of RWH is slope factor. But the importance of elevation classes factor was greater than the slope factor in the pitting method in comparison with farrowing method. |
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