Change in groundwater environment caused by the 2011 off the Pacific Coast of Tohoku Earthquake in the southern part of Sendai Plain

Southern part of Sendai Plain was extensively attacked by tsunami caused by the 2011 off the Pacific Coast of Tohoku Earthquake. Continuous observation since 2008 has revealed that the groundwater level rose instantaneously right after the earthquake, and then the tsunami, which occurred about an ho...

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Bibliographic Details
Published inChikasui Gakkai shi Vol. 54; no. 1; pp. 11 - 23
Main Authors MORI, Kazushi, TAKAHASHI, Tomohiro, OKANIWA, Nobuyuki, SHIBASAKI, Naoaki, OUCHI, Takuya
Format Journal Article
LanguageJapanese
English
Published Japanese Association of Groundwater Hydrology 2012
Subjects
groundwater
salinization
the 2011 off the Pacific Coast of Tohoku Earthquake
tsunami
Watari-gun
Japan, Honshu, Miyagi Prefect., Sendai
INW, Japan, Honshu, Miyagi Prefect., Tohoku
IS, Pacific
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Summary:Southern part of Sendai Plain was extensively attacked by tsunami caused by the 2011 off the Pacific Coast of Tohoku Earthquake. Continuous observation since 2008 has revealed that the groundwater level rose instantaneously right after the earthquake, and then the tsunami, which occurred about an hour later, involved the succeeding drastic rise. Salinity of groundwater was increased from below 0.7 mS/cm to at most 3 mS/cm, and has not been restored to the state before the earthquake.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:0913-4182
2185-5943
DOI:10.5917/jagh.54.11