Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering)
Online ISSN : 1883-8944
Print ISSN : 1884-2399
ISSN-L : 1883-8944
Paper (In Japanese)
A SURVEY METHOD OF TSUNAMI INUNDATION AREA USING CHEMICAL COMPONENTS IN TSUNAMI INUNDATED SOIL
Takumi YOSHIIMasahiro IMAMURAMasafumi MATSUYAMAShunichi KOSHIMURAMasashi MATSUOKAErick MASCesar JIMENEZ
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2011 Volume 67 Issue 1 Pages 49-62

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Abstract

 A severe earthquake of Mw 8.8 occurred on 27 Feb. 2010 at Chil and the subsequent tsunami attacked the coast. The field survey was conducted in Chile to develop a new survey method based on a chemical analysis of soil. The soil samples were obtained from both the inundated and the not-inundated area and the content of water-soluble ions, electric conductivity (EC), and pH were measured. The tsunami inundated soil contains much water-soluble ions and the discriminant analysis of the tsunami inundation using the amount of ions in the soil showed high discriminant accuracy (over 90%) with Na+, Mg2+, Cl-,Br-, SO42-, and EC.

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© 2011 by Japan Society of Civil Engineers
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