Arid
DOI10.1007/s12517-020-05681-4
Modeling groundwater quality and quantity to manage water resources in the Arak aquifer, Iran
Jabbari, Ehsan; Fathi, Mahsa; Moradi, Mojtaba
通讯作者Fathi, M
来源期刊ARABIAN JOURNAL OF GEOSCIENCES
ISSN1866-7511
EISSN1866-7538
出版年2020
卷号13期号:14
英文摘要Groundwater resources are increasingly exposed to significant overexploitation in many parts of the world, markedly in Iran, one of the most arid areas. The objective of the present study is to investigate the changes in groundwater levels and quality in the Arak aquifer. Groundwater fluctuation contour line maps provided in Geographic Information System (GIS) during 2006 to 2017 in this area indicate that excessive extraction of wells has led to major decline in water levels and a marked increase in concentration of total dissolved solids (TDS). The Groundwater Modeling System (GMS)-a three-dimensional MODFLOW model-paired with MT3D, was utilized to survey the aquifer characterization in the area. In the first step, the conceptual model was developed, and the calibration in both steady and transient states showed that the error between calculated and observed levels was in optimal level. Subsequently, two scenarios were considered to simulate quantity changes in the aquifer: simulation in drought and rainfall reduction and simulation with a 30% increase in well extraction. The results indicate that during both the drought period and increasing exploiting from the pumping wells, the level of water has fallen by more than 5 m. Finally, the calculated hydraulic heads and velocity of flow of ground water in the aquifer are retrieved in the mass transport modeling package MT3D to find the concentration of TDS in the groundwater. Simulation results indicate that concentration of TDS is with far more amount in the areas around the lake located in central parts due to evaporation of Meighan wetland and geological structure of the region. Scenarios considered for prediction by transport model indicate that concentration of TDS would increase if the current situation continues; however, this is mainly influenced by hydrology and geology of the area.
英文关键词Numerical model Groundwater management Groundwater Modeling System (GMS) MT3D Total dissolved solids (TDS) Geographic Information System (GIS)
类型Article
语种英语
收录类别SCI-E
WOS记录号WOS:000553125800002
WOS关键词FLOW ; MODFLOW ; SURFACE ; REGION
WOS类目Geosciences, Multidisciplinary
WOS研究方向Geology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/325253
作者单位[Jabbari, Ehsan; Fathi, Mahsa] Univ Qom, Dept Civil Engn, Qom, Iran; [Moradi, Mojtaba] Reg Water Co Markazi, Dept Water Resources Studies, Arak, Iran
推荐引用方式
GB/T 7714
Jabbari, Ehsan,Fathi, Mahsa,Moradi, Mojtaba. Modeling groundwater quality and quantity to manage water resources in the Arak aquifer, Iran[J],2020,13(14).
APA Jabbari, Ehsan,Fathi, Mahsa,&Moradi, Mojtaba.(2020).Modeling groundwater quality and quantity to manage water resources in the Arak aquifer, Iran.ARABIAN JOURNAL OF GEOSCIENCES,13(14).
MLA Jabbari, Ehsan,et al."Modeling groundwater quality and quantity to manage water resources in the Arak aquifer, Iran".ARABIAN JOURNAL OF GEOSCIENCES 13.14(2020).
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