[1oral501-07] G1-2．sub-session02

Sun. Sep 4, 2022 9:00 AM - 10:45 AM oral room 5 (Build. 14, 402)

Chiar:Masami WATANABE, Yoshihiro Takeshita, Muneki Mitamura, Yoshitaka Nagahashi(Fukushima University)

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9:00 AM - 9:15 AM

[G2-O-1] Estimation on the water systems around the age of the Eb-Fukuda tephra fall in the Early Pleistocene at the Kinki district, Japan

【ハイライト講演】

*Yasufumi Satoguchi¹ (1. Lake Biwa Museum)

世話人よりハイライト紹介：中部山岳地域を噴出源とする広域火山灰の恵比須峠福田火山灰は白色軽石を含む．噴出源から距離の離れた東海・関西地域において，軽石を含む場所と含まない場所がある．遠地で含まれる軽石は，河川によって運ばれたものとみられ，その分布から，当時の古水系復元の試みを紹介する．※ハイライトとは

9:15 AM - 9:30 AM

[G2-O-2] Subsurface geology in the Nagano Basin - Inferences from petrography of cuttings from the Kawanakajima spa boring

*Yoshihiro TAKESHITA¹, Ami ASADA² (1. Shinshu University, 2. Asashina Elementary School)

9:30 AM - 9:45 AM

[G2-O-3] Sea level change and archaeological remains in the Jomon period, Ishikari Plain, Hokkaido, Japan

*Tsumoru SAGAYAMA^1,2, Kenichiro KOSHIDA³, Hitomi WATAI³ (1. Hokkaido Research Center of Geology, 2. Earth Science Co. Ltd., 3. Sapporo International Univ.)

9:45 AM - 10:00 AM

[G2-O-4] Paleovegetation change in the midstream area of the Shimada River, Southeast Yamaguchi prefecture, Southwest Japan - Highland colonies and farming in the Yayoi period -

*Masami WATANABE^1,2, Naohiko TABATA³ (1. Archaeological Research Consultant, Inc., 2. Shimane Univ., 3. Yamaguchi Univ.)

10:00 AM - 10:15 AM

[G2-O-5] Changes in the paleoenvironment over the past 600 years in Lake Nakaumi based on benthic foraminiferal assemblages

*Mika SHIMAIKE¹, Akira TSUJIMOTO¹, Kotaro HIROSE², Koji SETO¹, Hiroaki SHAKUTSUI³, Toshiaki IRIZUKI¹ (1. Shimane University, 2. University of Hyogo, 3. Yachiyo Engineer. Co. Ltd)

10:15 AM - 10:30 AM

[G2-O-6] Characteristics of Periglacial Slope Sediments in the Nortern Hidaka Mountains, Hokkaido, Japan

*Hiromichi KOYASU¹, Yoshihiro KASE¹, Gentaro KAWAKAMI¹, Satoshi ISHIMARU¹, Kenji NISHINA¹ (1. Geological Survey of Hokkaido)

10:30 AM - 10:45 AM

[G2-O-7] Geoscientific research to examinate the cause of the 2021 Atami debris flow disaster

*Akihisa Kitamura¹ (1. Institute of Geosciences, and Center for Integrated Research and Education of Natural Hazards, Shizuoka University)

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