Volume 24, Issue 4 (Winter 2021)                   JWSS 2021, 24(4): 177-196 | Back to browse issues page

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Kaboudvand F, Mehdizadeh S S. Evaluation of Quantitative and Qualitative Indices of Plain and Aquifer on Optimum Location of Artificial Recharge Ponds (A Case Study of Khanmirza Plain, Chaharmahal Bakhtiari Province). JWSS. 2021; 24 (4) :177-196
URL: http://jstnar.iut.ac.ir/article-1-4011-en.html
1. Department of Civil Engineering, Central Tehran Branch, Islamic Azad University, Tehran, Iran. , Saj.Mehdizadeh@iauctb.ac.ir
Abstract:   (636 Views)
The Khanmirza plain is one of Iran’s fertile plains that is located in Chaharmahal Bakhtiari province. Agriculture in the area is very prosperous, but the lack of rain and over-harvesting from consumption wells has led to a reduction in groundwater levels, even causing land subsidence. Moreover, the high usage of chemical manures, especially nitrate manures, has increased the number of solutes and chemical materials in the groundwater. Thus, for this plain, making artificial ponds is important to modify the storage of the aquifer. In this study, to define the optimum locations of the artificial ponds, the effect of 12 factors was considered. The analytic hierarchy process (AHP) method was used to introduce the weight of each parameter in comparison to other factors. Afterward, the spatial priority of all factors was derived using the Geographic Information System (GIS) technique. The produced GIS layers were laid on each other and the optimum locations were obtained. Agricultural drainage was an effective index for recharge purposes. The results of the study demonstrated that groundwater level decline got the maximum weight (40%), while the land slope had the minimum weight, since the vicinity to available floodways was considered as an independent criterion. The results also showed that regions with a total area of 18 km2 in north and north-west of the Khanmirza plain could be the optimum and most suitable places for artificial ponds construction.
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Type of Study: Research | Subject: Ggeneral
Received: 2020/04/17 | Accepted: 2020/07/15 | Published: 2021/02/28

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