Academic Thesis

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Name Kamataki Takanobu
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Title

A study of paleo-tsunami history in coastal lowland on the southern part of Yamagata and northern part of Akita prefectures, the eastern margin of Japan Sea

Bibliography Type

Joint Author

Author

Takanobu Kamataki, Koji Unai, Tatsuki Tokumaru, Hideo Matsutomi

Summary

To identify paleo-tsunami history, we studied coastal lowland on Nikaho city, southern part of Akita Prefecture and Yuza town, northern part of Yamagata Prefecture, at the eastern margin of Japan Sea. These areas were known to have been affected by the 1804 Kisakata and the 1833 Off-Shonai earth-quake tsunamis, however these details are unknown. From boring cores in these study area, we found some coarse-grained sediments in organic mud and peat that were deposited in marsh and flood-plain. These coarse-grained sediments are event deposits. Some of these event deposits are interpreted as tsu-nami deposits. Depositional ages of these tsunami deposits were interpreted 12th–13th-century, 14th–15th-century and after 17th-century by calibrated ages.

Magazine(name)

Journal of Japan Society of Civil Engineers, Series B2 (Coastal Engineering)

Publisher

土木学会

Volume

75

Number Of Pages

2

StartingPage

403

EndingPage

408

Date of Issue

2019/11

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Invited

Not exist

Language

Japanese

Thesis Type

Research papers (academic journals)

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