Estimation of main aquifer parameters using geoelectric measurements to select the suitable wells locations in Bahr Al-Najaf depression, Iraq

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Fältnamn	Indikatorer	Metadata
000		03902naa a2200433 4500
001		oai:DiVA.org:ltu-80171
003		SwePub
008		200706s2020 \| \|\|\|\|\|\|\|\|\|\|\|000 \|\|eng\|
024	7	a https://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-801712 URI
024	7	a https://doi.org/10.1016/j.gsd.2020.1004372 DOI
040		a (SwePub)ltu
041		a engb eng
042		9 SwePub
072	7	a ref2 swepub-contenttype
072	7	a art2 swepub-publicationtype
100	1	a Abdulrazzaq, Zaidoon Tahau Directorate of Space and Communications, Ministry of Science and Technology, Baghdad, 10070, Iraq4 aut
245	1 0	a Estimation of main aquifer parameters using geoelectric measurements to select the suitable wells locations in Bahr Al-Najaf depression, Iraq
264	1	a Holland :b Elsevier,c 2020
338		a electronic2 rdacarrier
500		a Godkänd;2020;Nivå 0;2020-07-14 (alebob)
520		a The aquifer parameters like hydraulic conductivity and transmissivity are extremely important for the management and development of groundwater resources. Vertical Electrical Sounding (VES) and 2D Electrical Resistivity Imaging (ERI) techniques were adopted for geophysical investigation in Fadaq plantation area within Bahr Al-Najaf depression, Iraq. A total of 22 VES point distributed as a grid along six profiles in the plantation with half-current electrode spacing (AB/2) is 400 m are used to evaluate the aquifer geoelectric and hydraulic parameters, where six 2D ERI profiles were conducted and concatenated as one 2D ERI profile with a total length of 4525 m to verify the results of VES. The average formation factor of the aquifer is 22.33 with porosity and water saturation average of 22.62% and 0.59% respectively. Geoelectric and hydraulic parameters estimated values are; apparent resistivity 2.17–2.92 Ω, formation factor 6.23–31.18, porosity 17.91–40.06%, water saturation 0.18–0.85, longitudinal conductance 1.60–10.06 Ω-1, transverse resistance 3258–27200 Ωm2, hydraulic conductivity 0.62–0.68 m2/day and transmissivity 70.68–198.05 m2/day. The thickness and bulk resistivity vary between 112 and 320 m and 18–85 Ωm respectively. About 26% of the aquifer in the study area has an intermediate designation, while 73.91% of the aquifer has high designation. There is a linear relationship between transmissivity and water saturation. Based on designation, protective capacity, and groundwater supply potential VES 6C, VES 7A, VES 4C and VES 2E were recommended for new drilling sites.
650	7	a TEKNIK OCH TEKNOLOGIERx Samhällsbyggnadsteknikx Geoteknik0 (SwePub)201062 hsv//swe
650	7	a ENGINEERING AND TECHNOLOGYx Civil Engineeringx Geotechnical Engineering0 (SwePub)201062 hsv//eng
653		a Aquifers
653		a Fadaq Plantation
653		a VES
653		a 2D ERI concatenated profile
653		a Transmissivity
653		a Soil Mechanics
653		a Geoteknik
700	1	a Al-Ansari, Nadhir,d 1947-u Luleå tekniska universitet,Geoteknologi4 aut0 (Swepub:ltu)nadhir
700	1	a Aziz, Nadia Ahmedu Directorate of Space and Communications, Ministry of Science and Technology, Baghdad, 10070, Iraq4 aut
700	1	a Agbasi, Okechukwu Ebukau Michael Okpara University of Agriculture, Department of Physics, Umudike, Nigeria4 aut
700	1	a Etuk, Sunday Edetu University of Uyo, Department of Physics, Uyo, Nigeria4 aut
710	2	a Directorate of Space and Communications, Ministry of Science and Technology, Baghdad, 10070, Iraqb Geoteknologi4 org
773	0	t Groundwater for Sustainable Developmentd Holland : Elsevierg 11q 11x 2352-801X
856	4	u https://ltu.diva-portal.org/smash/get/diva2:1452297/FULLTEXT01.pdfx primaryx Raw objecty fulltext:print
856	4 8	u https://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-80171
856	4 8	u https://doi.org/10.1016/j.gsd.2020.100437

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