Japan Geoscience Union Meeting 2018

Presentation information

[JJ] Evening Poster

M (Multidisciplinary and Interdisciplinary) » M-IS Intersection

[M-IS11] tsunami deposit

Tue. May 22, 2018 5:15 PM - 6:30 PM Poster Hall (International Exhibition Hall7, Makuhari Messe)

convener:Tetsuya Shinozaki(Center for Research in Isotopes and Environmental Dynamics (CRiED), University of Tsukuba), Takashi Chiba(Maritime Disaster Prevention Center), Daisuke Ishimura(首都大学東京大学院都市環境科学研究科地理学教室)

[MIS11-P22] 10 years change of landforms and sediments of the Tsunami covered Namkem coastal plain in southern Thailand

*Masatomo Umitsu1, Tomoya Abe2, Naruekamon Janjirawuttikul3 (1.Department of geography, Nara University, 2.National Institute of Advanced Industrial Science and Tecnology , 3.Land Development Department, Thailand)

Keywords:Tsunami deposits, Coastal Plain, Thailand, 10 years change

The Namkhem coastal plain in southern Thailand was covered with tsunami deposits at the time of Indian Ocean Earthquake in December 2004. In this paper, change of tsunami deposits in relation to the landforms of the coastal plain during 2005 to 2017 was studied. Landforms and land use of the area are not extremely changed during 10 years since 2005 to 2017. Most of the area is still remaining as barren area with vegetation. Thickness of tsunami deposits in most sites is not extremely changed in these 10 years except in the place of small valley floor where the concentration and accumulation of deposits are dominant. Color of the former top soil surface changed indistinct and facies of the tsunami deposits over the former surface also changed to obscure.