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Groundwater Vulnerability Mapping Using Lineament Density on Standard DRASTIC Model: Case Study in Halabja Saidsadiq Basin, Kurdistan Region, Iraq
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Geoteknologi.
University of Sulaimani.
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Geoteknologi.ORCID-id: 0000-0002-6790-2653
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Geoteknologi.ORCID-id: 0000-0002-1365-8552
2015 (engelsk)Inngår i: Engineering, ISSN 1947-3931, E-ISSN 1947-394X, Vol. 7, nr 10, s. 644-667Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Groundwater is the most important source of water in the Halabja-Saidsadiq Basin. In this study, to generate a map of groundwater pollution vulnerability of the basin, the standard DRASTIC method has been applied. Due to the close relation between lineament density and groundwater flow and yield, the lineament density map was applied to the standard DRASTIC model in order to ensure accuracy towards the consideration of the effects of potential vulnerability to contamination. A lineament map is extracted from Enhanced Thematic Mapper plus (ETM+) satellite imagery using different techniques in remote sensing and GIS. The lineament density map illustrates that only six classes of lineament density can be identified ranged from (0 - 2.4). The lineament density map was rated and weighted and then converted to lineament index map. This index map is an additional parameter which was added to the standard DRASTIC model so as to map the modified DRASTIC vulnerability in HSB. The standard vulnerability map, classified the basin into four vulnerability index zones: very low (34%), low (13%), moderate (48%) and high (5%). While the modified model classified the area into four categories as well: very low (28.75%), low (14.31%), moderate (46.91%) and high (10.04%). The results demonstrate that there is no significant variation in the rate of vulnerability. Therefore, the nitrate concentration between two different seasons (dry and wet) was analyzed from (30) water wells, considerable variations in nitrate concentration from dry to wet seasons had been noted. Consequently, it confirmed that the HSB are capable to receive the contaminant because of suitability in terms of geological and hydrogeological conditions. Based on this verification, it could be claimed that the effect of lineament density is weak on the vulnerability system in HSB, because of its low density value.

sted, utgiver, år, opplag, sider
2015. Vol. 7, nr 10, s. 644-667
HSV kategori
Forskningsprogram
Geoteknik
Identifikatorer
URN: urn:nbn:se:ltu:diva-4812DOI: 10.4236/eng.2015.710057Lokal ID: 2cdbee50-afcb-453b-a770-b51f45e1189cOAI: oai:DiVA.org:ltu-4812DiVA, id: diva2:977686
Merknad
Validerad; 2015; Nivå 1; 20151030 (nadhir)Tilgjengelig fra: 2016-09-29 Laget: 2016-09-29 Sist oppdatert: 2017-11-24bibliografisk kontrollert
Inngår i avhandling
1. Groundwater Vulnerability Using DRASTIC model Applied to Halabja Saidsadiq Basin, IRAQ
Åpne denne publikasjonen i ny fane eller vindu >>Groundwater Vulnerability Using DRASTIC model Applied to Halabja Saidsadiq Basin, IRAQ
2017 (engelsk)Licentiatavhandling, med artikler (Annet vitenskapelig)
sted, utgiver, år, opplag, sider
Luleå tekniska universitet, 2017. s. 142
Serie
Licentiate thesis / Luleå University of Technology, ISSN 1402-1757
HSV kategori
Forskningsprogram
Geoteknik
Identifikatorer
urn:nbn:se:ltu:diva-61783 (URN)978-91-7583-808-3 (ISBN)978-91-7583-809-0 (ISBN)
Presentation
2017-03-09, F1031, Luleå, 10:00
Veileder
Tilgjengelig fra: 2017-02-03 Laget: 2017-02-02 Sist oppdatert: 2018-10-19bibliografisk kontrollert

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