Arid
DOI10.1016/j.jhydrol.2016.06.058
Numerical long-term assessment of managed aquifer recharge from a reservoir into a karst aquifer in Jordan
Xanke, Julian1; Jourde, Herve2; Liesch, Tanja1; Goldscheider, Nico1
通讯作者Xanke, Julian
来源期刊JOURNAL OF HYDROLOGY
ISSN0022-1694
EISSN1879-2707
出版年2016
卷号540页码:603-614
英文摘要

In semi-arid regions with high seasonal variability of water availability, adaptive management strategies and technical measures are required to ensure the sustainable use of water resources. In this study, managed recharge of storm water into a karst aquifer and the water level fluctuations related to pumping in a nearby wellfield were simulated at Wadi Wala, Jordan. We used a numerical equivalent porous medium (EPM) approach with specific adaptations to account for the heterogeneity and anisotropy of the karst aquifer. The model domain was vertically projected along the wadi course, resulting in a 2 dimensional model, and subdivided into hydraulic zones representing the karst-specific flow pattern of fast flow and slow depletion. Results show satisfying agreement of measured and simulated groundwater tables from 2002 to 2012 and predict a lowering of the average groundwater table until 2022 of around 2.7 m in the immediate surroundings of the reservoir and an increased depletion towards the wellfield, mainly caused by sedimentation in the reservoir and an associated decrease in infiltration. Abstraction at the wellfield changed considerably over the regarded time period and strongly influences the groundwater fluctuations, which shows the need of improved pumping management and monitoring. The results can serve as a basis for decision makers regarding an optimization of water management at the reservoir and wellfield. Furthermore, the presented numerical approach can be transferred to karst regions with similar physio-geographical conditions to assess managed aquifer recharge. (C) 2016 Elsevier B.V. All rights reserved.


英文关键词Managed aquifer recharge (MAR) Integrated water resources management (IWRM) Numerical modeling Hydraulic anisotropy Karst aquifer Freshwater supply
类型Article
语种英语
国家Germany ; France
收录类别SCI-E
WOS记录号WOS:000382269500047
WOS关键词GROUNDWATER-FLOW ; ARTIFICIAL RECHARGE ; WATER-RESOURCES ; MODELS ; SYSTEM
WOS类目Engineering, Civil ; Geosciences, Multidisciplinary ; Water Resources
WOS研究方向Engineering ; Geology ; Water Resources
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/194529
作者单位1.Karlsruhe Inst Technol, Div Hydrogeol, Inst Appl Geosci, Kaiserstr 12, D-76131 Karlsruhe, Germany;
2.Univ Montpellier, Lab Hydrosci, 163 Rue Auguste Broussonnet, F-34095 Montpellier, France
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Xanke, Julian,Jourde, Herve,Liesch, Tanja,et al. Numerical long-term assessment of managed aquifer recharge from a reservoir into a karst aquifer in Jordan[J],2016,540:603-614.
APA Xanke, Julian,Jourde, Herve,Liesch, Tanja,&Goldscheider, Nico.(2016).Numerical long-term assessment of managed aquifer recharge from a reservoir into a karst aquifer in Jordan.JOURNAL OF HYDROLOGY,540,603-614.
MLA Xanke, Julian,et al."Numerical long-term assessment of managed aquifer recharge from a reservoir into a karst aquifer in Jordan".JOURNAL OF HYDROLOGY 540(2016):603-614.
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