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http://dx.doi.org/10.3741/JKWRA.2018.51.6.515

Analysis of the effects of the seawater intrusion countermeasures considering future sea level rise in Yeosu region using SEAWAT  

Yang, Jeong-Seok (School of Civil and Environmental Engineering, Kookmin University)
Lee, Jae-Beom (School of Civil and Environmental Engineering, Kookmin University)
Kim, Il-Hwan (School of Civil and Environmental Engineering, Kookmin University)
Publication Information
Journal of Korea Water Resources Association / v.51, no.6, 2018 , pp. 515-521 More about this Journal
Abstract
Seawater intrusion areas were calculated in Yeosu region considering sea level rise and the effects of countermeasures for seawater intrusion were analyzed using SEAWAT program. The estimated seawater intrusion area was $14.90km^2$ in 2015. When we applied climate change scenarios the area was changed to $19.19km^2$ for RCP 4.5 and $20.43km^2$ for RCP 8.5 respectively. The mitigation effects by artificial recharge with total $50m^3/d$, $100m^3/d$, and $300m^3/d$ are from 3.75% to 10.68% for RCP 4.5, and from 5.82% to 10.77% for RCP 8.5 respectively. If we install barrier wall with the thickness 0.8 m, 1.3 m, and 1.8 m, the mitigation effects are from 6.67% to 12.04% for RCP 4.5, and from 6.17% to 14.98% for RCP 8.5 respectively. The results of this study can be used to be a logical means of quantitative grounds for policy decisions to prevent groundwater contamination by seawater intrusion and subsequent secondary damage in coastal areas.
Keywords
Seawater intrusion; SEAWAT; Sea level rise; Yeosu;
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Times Cited By KSCI : 4  (Citation Analysis)
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