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Vulnerability of groundwater to pollution using three different models in Halabja Saidsadiq basin, Iraq
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Mining and Geotechnical Engineering. Department of Geology, University of Sulaimani, Kurdistan Region, NE..
University of Sulaimani, Kurdistan Region, NE Iraq.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Mining and Geotechnical Engineering.ORCID iD: 0000-0002-6790-2653
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Mining and Geotechnical Engineering.ORCID iD: 0000-0002-1365-8552
2017 (English)In: European Water, ISSN 1105-7580, Vol. 57, p. 353-359Article in journal (Refereed) Published
Abstract [en]

Halabja Saidsadiq Basin (HSB) is one of a major basin of Iraq in terms of groundwater reservoirs. Intensive agricultural practices and economic revolution are widespread and located close to groundwater wells, which pose imminent threats to these resources. Therefore, the most effective and realistic solution is to prevent the contamination of groundwater through. The present study targets the computation of the vulnerability of groundwater reservoirs of the study area. Three methods have been examined, namely DRASTIC, VLDA and COP to model a map of groundwater vulnerability for contamination. The standard DRASTIC vulnerability maps classified the basin of four vulnerability index zones: very low (34%), low (13%), moderate (48%) and high (5%). The VLDA model also classified the area into four categories as well: low (2%), moderate (44%), high (53%) and very high (1%). Four vulnerability classes were recognized based on COP model including very low, low, moderate and high vulnerability classes with coverage areas of (1%, 37%, 2% and 60%) respectively. After constructing every vulnerability map, it required to be confirmed in order to estimate the validity of the theoretical sympathetic of current hydrogeological conditions. In this study, nitrate concentration analysis was selected as a contamination indicator to validate the result. Considerable variations in nitrate concentration on dry to wet seasons had been renowned. Consequently, it points toward that groundwater in the HSB are capable to receive the contaminant due to suitability of overlies strata in terms of geological and hydrogeological conditions. Based on this confirmation, the result exemplifies that the degree and distribution of vulnerability classes acquired using VLDA model is more sensible.

Place, publisher, year, edition, pages
EU: E.W. Publications , 2017. Vol. 57, p. 353-359
Keyword [en]
Vulnerability, DRASTIC, VLDA, COP, Nitrate concentration, Halabja Saidsadiq Basin (HSB)
National Category
Engineering and Technology Geotechnical Engineering
Research subject
Soil Mechanics
Identifiers
URN: urn:nbn:se:ltu:diva-66299OAI: oai:DiVA.org:ltu-66299DiVA, id: diva2:1153230
Conference
10th Word Congress on Water Resources and Environment (EWRA 2017), Athens, 5-9 July 2017
Note

2017-11-06 (rokbeg);Konferensartikel i tidskrift

Available from: 2017-10-28 Created: 2017-10-28 Last updated: 2017-11-24Bibliographically approved

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http://www.ewra.net/ew/issue_57.htm

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CiteExportLink to record
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