[H-DS11] Geohazards in humid, tectonically active countries and their precursors

Tue. May 31, 2022 11:00 AM - 1:00 PM Online Poster Zoom Room (14) (Ch.14)

convener:Satoru Kojima(Department of Civil Engineering, Gifu University), convener:Taro Uchida(University of Tsukuba), Yoshihiko Kariya(Department of Environmental Geography, Senshu University), Chairperson:Satoru Kojima(Department of Civil Engineering, Gifu University), Yoshihiko Kariya(Department of Environmental Geography, Senshu University), Taro Uchida(University of Tsukuba)

This session covers mass movements of landslide, slope failure, debris flow, and gravitational slope deformation in tectonically active, humid countries, and aims to discuss on their mechanisms, characteristics of occurrence sites, the significance in geological time scale, and the methodology to mitigate their affects by researchers with various related research fields.

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11:00 AM - 1:00 PM

[HDS11-P01] Yakedake Nakao tephra: an attempt to use the local tephra as a Late Holocene age marker for the southern part of the Northern Japan Alps

*Gaku Nishio¹, Saya Kagami², Tatsunori Yokoyama², Yoshihiko Kariya³, Satoru Kojima⁴ (1.Graduate School of Natural Science and Technology, Gifu University, 2.Tono Geoscience Center, JAEA, 3.Department of Environmental Geography, Senshu University, 4.Department of Civil Engineering, Gifu University)

11:00 AM - 1:00 PM

[HDS11-P02] Geomorphic events and the ages of buried trees unearthed in river valleys in the Minami Shinshu region of Nagano Prefecture

*Ryuji Yamada¹, Takeshi Muramatsu², Yoshihiko Kariya³, Takashi Kimura⁴, Masato Sato¹, Yoshiji Teraoka⁵ (1.National Research Institute for Earth Science and Disaster Prevention, 2.Iida City Museum, 3.Senshu University, 4.Ehime University, 5.Inadanishizen Group)

11:00 AM - 1:00 PM

[HDS11-P03] Storage and reactivate of landslide-derived sediment after the 1973 Kotani’ishi disaster at Hokkaido, Japan

*Takashi Koi¹, Yasutaka Tanaka² (1.Center for Natural Hazards Resarch, Hokkaido University, 2.Ministry of Land, Infrastructure, Transport and Tourism Chubu Retional Development Bureau)

11:00 AM - 1:00 PM

[HDS11-P04] Sediment production area in the radial valley and the actual situations of sediment production there from 2010 to 2018 in the upper reaches of the Arimura River, Sakurajima Volcano, Japan

*Yasushi Sano¹, Takeshi Shimizu¹, Koji Ishida¹, Naoki Imamori¹ (1.Public Works Research Institute)

11:00 AM - 1:00 PM

[HDS11-P05] Topography, geology, rainfall and land-use of the landslide areas in northwestern Vietnam

*Takahisa Furuichi^1,2, Wataru Murakami¹, Takashi Okamoto¹, Katsuto Shimizu¹, Takuma Watakabe¹, Satoshi Yamaguchi¹, Hiromu Daimaru¹ (1.Forestry and Forest Products Research Institute, 2.University of the Sunshine Coast)

Session information

[H-DS11] Geohazards in humid, tectonically active countries and their precursors

[HDS11-P01] Yakedake Nakao tephra: an attempt to use the local tephra as a Late Holocene age marker for the southern part of the Northern Japan Alps

[HDS11-P02] Geomorphic events and the ages of buried trees unearthed in river valleys in the Minami Shinshu region of Nagano Prefecture

[HDS11-P03] Storage and reactivate of landslide-derived sediment after the 1973 Kotani’ishi disaster at Hokkaido, Japan

[HDS11-P04] Sediment production area in the radial valley and the actual situations of sediment production there from 2010 to 2018 in the upper reaches of the Arimura River, Sakurajima Volcano, Japan

[HDS11-P05] Topography, geology, rainfall and land-use of the landslide areas in northwestern Vietnam

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