Arid
DOI10.1007/s10040-017-1586-0
Contamination risk and drinking water protection for a large-scale managed aquifer recharge site in a semi-arid karst region, Jordan
Xanke, Julian1; Liesch, Tanja1; Goeppert, Nadine1; Klinger, Jochen1; Gassen, Niklas2,3; Goldscheider, Nico1
通讯作者Xanke, Julian
来源期刊HYDROGEOLOGY JOURNAL
ISSN1431-2174
EISSN1435-0157
出版年2017
卷号25期号:6页码:1795-1809
英文摘要

Karst aquifers in semi-arid regions are particularly threatened by surface contamination, especially during winter seasons when extremely variable rainfall of high intensities prevails. An additional challenge is posed when managed recharge of storm water is applied, since karst aquifers display a high spatial variability of hydraulic properties. In these cases, adapted protection concepts are required to address the interaction of surface water and groundwater. In this study a combined protection approach for the surface catchment of the managed aquifer recharge site at the Wala reservoir in Jordan and the downstream Hidan wellfield, which are both subject to frequent bacteriological contamination, is developed. The variability of groundwater quality was evaluated by correlating contamination events to rainfall, and to recharge from the reservoir. Both trigger increased wadi flow downstream of the reservoir by surface runoff generation and groundwater seepage, respectively. A tracer test verified the major pathway of the surface flow into the underground by infiltrating from pools along Wadi Wala. An intrinsic karst vulnerability and risk map was adapted to the regional characteristics and developed to account for the catchment separation by the Wala Dam and the interaction of surface water and groundwater. Implementation of the proposed protection zones for the wellfield and the reservoir is highly recommended, since the results suggest an extreme contamination risk resulting from livestock farming, arable agriculture and human occupation along the wadi. The applied methods can be transferred to other managed aquifer recharge sites in similar karstic environments of semi-arid regions.


英文关键词Karst Managed aquifer recharge Bacteriological contamination Groundwater vulnerability Jordan
类型Article
语种英语
国家Germany
收录类别SCI-E
WOS记录号WOS:000407923900019
WOS关键词GROUNDWATER VULNERABILITY ; MIDDLE-EAST ; ARTIFICIAL RECHARGE ; COP METHOD ; LAND-USE ; AREA ; RESOURCES ; IMPACT ; METHODOLOGY ; DEPLETION
WOS类目Geosciences, Multidisciplinary ; Water Resources
WOS研究方向Geology ; Water Resources
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/199461
作者单位1.KIT, Inst Appl Geosci, Div Hydrogeol, Kaiserstr 12, D-76131 Karlsruhe, Germany;
2.Fed Inst Geosci & Nat Resources BGR, Stilleweg 2, D-30655 Hannover, Germany;
3.Helmholtz Zentrum Munchen, Inst Groundwater Ecol, Ingolstadter Landstr 1, D-85764 Neuherberg, Germany
推荐引用方式
GB/T 7714
Xanke, Julian,Liesch, Tanja,Goeppert, Nadine,et al. Contamination risk and drinking water protection for a large-scale managed aquifer recharge site in a semi-arid karst region, Jordan[J],2017,25(6):1795-1809.
APA Xanke, Julian,Liesch, Tanja,Goeppert, Nadine,Klinger, Jochen,Gassen, Niklas,&Goldscheider, Nico.(2017).Contamination risk and drinking water protection for a large-scale managed aquifer recharge site in a semi-arid karst region, Jordan.HYDROGEOLOGY JOURNAL,25(6),1795-1809.
MLA Xanke, Julian,et al."Contamination risk and drinking water protection for a large-scale managed aquifer recharge site in a semi-arid karst region, Jordan".HYDROGEOLOGY JOURNAL 25.6(2017):1795-1809.
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