Determining the optimal depth of water wells in Kashan aquifer

Groundwater is the sole source of water for many of arid and semi-arid regions in the world. Groundwater overexploitation, drought and climate change have deteriorated the groundwater quantity and quality in recent decades. The decrease of well discharges is one of the main results of the falling th...

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Main Author: Mohammad Faryabi
Format: Article
Language:fas
Published: Marvdasht Branch, Islamic Azad University 2019-08-01
Series:مهندسی منابع آب
Subjects:
Online Access:https://wej.marvdasht.iau.ir/article_3597_e910c8daf770068eceb9edd809246f14.pdf
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author Mohammad Faryabi
author_facet Mohammad Faryabi
author_sort Mohammad Faryabi
collection DOAJ
description Groundwater is the sole source of water for many of arid and semi-arid regions in the world. Groundwater overexploitation, drought and climate change have deteriorated the groundwater quantity and quality in recent decades. The decrease of well discharges is one of the main results of the falling the groundwater level. Increasing the depth of abstraction wells has been proposed to remedy this problem. This study aims to determine the optimal depth of wells in Kashan plain such that the remaining groundwatercan supply the water demands in a 15 years period. For this purpose, geological information along with data such as groundwater level in observation wells, aquifer bedrock, aquifer hydrodynamic coefficients and groundwater chemical quality data were used. Also, the prediction of the future status of groundwater quantity and quality were carried out on the basis of this data. Changes in the groundwater quality and quantity also were studied with considering the various scenarios of groundwater levels decline compared to its normal trends. According to the achieved results, The scenario of a decline of 25 percent compared to the normal trend were considered as the most appropriate management strategy to determine the optimal depth of water wells in the Kashan plain. Since the depth of the many of the existing wells is more than the proposed amount in this study, the increasing the depth of abstraction wells is not recommended in the study area.
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spelling doaj.art-b8053d155c674ebca094888f05badb7a2024-01-10T08:10:51ZfasMarvdasht Branch, Islamic Azad Universityمهندسی منابع آب2008-63772423-71912019-08-0112411011143597Determining the optimal depth of water wells in Kashan aquiferMohammad Faryabi0College of Natural Resources, University of Jiroft, Jiroft, IranGroundwater is the sole source of water for many of arid and semi-arid regions in the world. Groundwater overexploitation, drought and climate change have deteriorated the groundwater quantity and quality in recent decades. The decrease of well discharges is one of the main results of the falling the groundwater level. Increasing the depth of abstraction wells has been proposed to remedy this problem. This study aims to determine the optimal depth of wells in Kashan plain such that the remaining groundwatercan supply the water demands in a 15 years period. For this purpose, geological information along with data such as groundwater level in observation wells, aquifer bedrock, aquifer hydrodynamic coefficients and groundwater chemical quality data were used. Also, the prediction of the future status of groundwater quantity and quality were carried out on the basis of this data. Changes in the groundwater quality and quantity also were studied with considering the various scenarios of groundwater levels decline compared to its normal trends. According to the achieved results, The scenario of a decline of 25 percent compared to the normal trend were considered as the most appropriate management strategy to determine the optimal depth of water wells in the Kashan plain. Since the depth of the many of the existing wells is more than the proposed amount in this study, the increasing the depth of abstraction wells is not recommended in the study area.https://wej.marvdasht.iau.ir/article_3597_e910c8daf770068eceb9edd809246f14.pdfgroundwaterabstraction wellsoptimal depthkashan plain
spellingShingle Mohammad Faryabi
Determining the optimal depth of water wells in Kashan aquifer
مهندسی منابع آب
groundwater
abstraction wells
optimal depth
kashan plain
title Determining the optimal depth of water wells in Kashan aquifer
title_full Determining the optimal depth of water wells in Kashan aquifer
title_fullStr Determining the optimal depth of water wells in Kashan aquifer
title_full_unstemmed Determining the optimal depth of water wells in Kashan aquifer
title_short Determining the optimal depth of water wells in Kashan aquifer
title_sort determining the optimal depth of water wells in kashan aquifer
topic groundwater
abstraction wells
optimal depth
kashan plain
url https://wej.marvdasht.iau.ir/article_3597_e910c8daf770068eceb9edd809246f14.pdf
work_keys_str_mv AT mohammadfaryabi determiningtheoptimaldepthofwaterwellsinkashanaquifer