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http://dx.doi.org/10.9720/kseg.2017.1.1

Evaluation of Seawater Intrusion on Costal Groundwater using Systematic Analytical Method  

Kim, Chang-Hoon (Department of Civil Engineering, The University of Seoul)
Kim, Nam-Ju (GEO engineering Co., Ltd.)
Park, Youngyun (Department of Geology and Geophysics, Kangwon National University)
Publication Information
The Journal of Engineering Geology / v.27, no.1, 2017 , pp. 1-7 More about this Journal
Abstract
Seawater intrusion was evaluated using electrical conductivity, chemical proxies, and oxygen isotopic compositions in coastal area. It seems that groundwater in the area where the electrical conductivity is over $3,000{\mu}S/cm$ is influenced by seawater. However, it is very difficult that seawater intrusion is distinguished from other contaminants using the electrical conductivity. The chemical proxies and oxygen and hydrogen isotopic compositions can quantitatively estimate seawater intrusion. However, these method is a costly disadvantage. Therefore, firstly, groundwater contamination by seawater intrusion was evaluated using electrical conductivity and then the additional chemical and isotopic analysis were conducted in areas where possibility of contamination by seawater intrusion is high. These systematic analytical method can reduce analytical cost to quantitatively evaluate influence of seawater intrusion on coastal groundwater and may improve efficiency of analytical method for seawater intrusion.
Keywords
Seawater intrusion; coastal groundwater; systematic analytical method;
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Times Cited By KSCI : 9  (Citation Analysis)
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