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Salinity functions for groundwater at Safwan, South Iraq
Department of Geology, Faculty of Science, University of Kufa, Kufa, Iraq.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Mining and Geotechnical Engineering.ORCID iD: 0000-0002-6790-2653
2019 (English)In: Journal of Environmental Hydrology, ISSN 1058-3912, E-ISSN 1996-7918, Vol. 27, no 7, p. 1-11Article in journal (Refereed) Published
Abstract [en]

Function type between electrical conductivity and total dissolved solids is polynomial and the exponential which are taken according to the water quality classification for irrigation. These functions relate the EC in ds/m to the salinity in term of part per million or to the half salinity in equivalent per million directly or in form of logarithmic transformation. A statistical test for best fit is considered for the selection of the type of a representative function. The irrigation salinity classification is taken as index of grouping extended to moderately sensitive vegetable crop tomato as salinity tolerance rating up to 15 ds/m groundwater salinity used for irrigation at Safwan area of arid climate. All fitted type of functions is programmed within a flow model computer of basic language by which the output from of both methods is an average final value. Thus the coast of analysis is reduced. This type of functions is standard for groundwater and so designed to involve the water type. The involved parameter for Safwan area is 0.5 for more than 5 ds/m in case of ppm half total and it is 1.3 for less than 5ds/m salinity, or using the direct model.

Place, publisher, year, edition, pages
CANADA: International Association of Environmental Hydrology , 2019. Vol. 27, no 7, p. 1-11
Keywords [en]
Salinity, Groundwater, Salinity function, EC, TDS.
National Category
Engineering and Technology Geotechnical Engineering
Research subject
Water Resources Engineering; Soil Mechanics
Identifiers
URN: urn:nbn:se:ltu:diva-76477OAI: oai:DiVA.org:ltu-76477DiVA, id: diva2:1364905
Note

Validerad;2019;Nivå 1;2019-10-28 (johcin)

Available from: 2019-10-23 Created: 2019-10-23 Last updated: 2019-10-28Bibliographically approved

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http://www.hydroweb.com/journal-hydrology-2019-paper-7.html

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Al-Ansari, Nadhir

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3334353637383936 of 68
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