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Vulnerability of groundwater to pollution using three different models inHalabja Saidsadiq basin, Iraq [Elektronisk resurs]

Abdullah, Twana (författare)
10th World Congress on Water Resources and Environment ‘Panta Rhei’, Athens, Greece, 5-9 July 2017 
Ali, Salahalddin (författare)
Al-Ansari, Nadhir (författare)
Knutsson, Sven (författare)
Luleå tekniska universitet Institutionen för samhällsbyggnad och naturresurser (utgivare)
Athens European Water Resources AssociationSSOCIATION 2017
Engelska.
Ingår i: Proceedings of the 10th World Congress of European Water Resources Association ‘Panta Rhei’, 5-9 July 2017, Athens, Greece. ; 1827-1834
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  • 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. 

Ämnesord

Engineering and Technology  (hsv)
Teknik och teknologier  (hsv)
Engineering and Technology  (hsv)
Civil Engineering  (hsv)
Geotechnical Engineering  (hsv)
Teknik och teknologier  (hsv)
Samhällsbyggnadsteknik  (hsv)
Geoteknik  (hsv)
Soil Mechanics  (ltu)
Geoteknik  (ltu)

Indexterm och SAB-rubrik

Vulnerability
DRASTIC
VLDA
COP
Nitrate concentration
Halabja Saidsadiq Basin (HSB)
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