Identifying Potential Rain-Water Harvesting Sites using Analytical Hierarchy Proces and GIS Approach (Case study: Sudjan Catchment)

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Sadeghi Isa; Gazavi Reza

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Journal: Geography and Environmental Planning Year:2018 | Volume:29 | Issue:2 (70) Page(s): 1-12

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Title

Identifying Potential Rain-Water Harvesting Sites using Analytical Hierarchy Proces and GIS Approach (Case study: Sudjan Catchment)

Author(s)

Sadeghi Isa | Gazavi Reza | Issue Writer Certificate

Keywords

LocatingQ2

Rainfall-Runoff SavingQ1

GISQ2

AHPQ2

Abstract

Today, soil infiltration decreased due to rainfall decreasing, high grazing of rangeland, and land use change. Consequently, the majority of rainfalls convert to unusable runoff. In this area, also rainfall patterns are unpredictable, both in terms of amount and time, but, rainfall could be sufficient to make rainwater recharging/harvesting as a reliable and economical source of water via integrated watershed management. Integrated watershed management requires a lot of inter-related information to be generated and studied in relation to each other. Remote sensing, geographical information system, and AHP techniques provide valuable and up-to-date spatial information on natural resources and physical terrain parameters. In this study, the potential rainwater harvesting site was identified using remote sensing, GIS and AHP techniques. To implement the decision rules, information layers were prepared by overlaying runoff coefficient, slope, drainage network, land use permeability, lithology and soil maps. Suitable sites for each rainwater harvesting/ recharge method are determined using Iranian reports standard for rainwater harvesting structure and international researches. According to results, suitable area for check dam construction, Faroe meter, combined Bankt and Pitting was 627, 253, 247 and 81 hectare (9. 8%, 3. 9%, 3. 85, and 1. 2%) respectively. As a result, the methods used in this study show the highest accuracy, preciseness, and ability in the larger basins than other methods.

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APA: Copy

Sadeghi, Isa, & Gazavi, Reza. (2018). Identifying Potential Rain-Water Harvesting Sites using Analytical Hierarchy Proces and GIS Approach (Case study: Sudjan Catchment). GEOGRAPHY AND ENVIRONMENTAL PLANNING (UNIVERSITY OF ISFAHAN), 29(2 (70) ), 1-12. SID. https://sid.ir/paper/153285/en

Vancouver: Copy

Sadeghi Isa, Gazavi Reza. Identifying Potential Rain-Water Harvesting Sites using Analytical Hierarchy Proces and GIS Approach (Case study: Sudjan Catchment). GEOGRAPHY AND ENVIRONMENTAL PLANNING (UNIVERSITY OF ISFAHAN)[Internet]. 2018;29(2 (70) ):1-12. Available from: https://sid.ir/paper/153285/en

IEEE: Copy

Isa Sadeghi, and Reza Gazavi, “Identifying Potential Rain-Water Harvesting Sites using Analytical Hierarchy Proces and GIS Approach (Case study: Sudjan Catchment),” GEOGRAPHY AND ENVIRONMENTAL PLANNING (UNIVERSITY OF ISFAHAN), vol. 29, no. 2 (70) , pp. 1–12, 2018, [Online]. Available: https://sid.ir/paper/153285/en

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