Kuma Ryusei

クマリュウセイ | Kuma Ryusei

Affiliation and department：
Job title： lecturer

Research field (2)： Biogeoscience , Solid earth science

Research keywords (7)：温室期の地球環境 , 化石化プロセス , 炭酸塩コンクリーション , シリカコンクリーション , チャート , 湖成層 , 古気候学

Research theme for competitive and other funds (3)：

2023 - 2026 Deciphering climate variability in the Early Eocene "hothouse" beyond the tipping point from annually laminated lacustrine record in Utah, USA
2021 - 2023 生物起源炭酸塩コンクリーションの初期続成メカニズムの解明
2016 - 2018 Reconstruction of annually-resolving climatic changes during the mid-Cretaceous and early Eocene "greenhouse" periods

Papers (12)：

Yusuke Muramiya, Hidekazu Yoshida, Nagayoshi Katsuta, Ryusei Kuma, Tomoyuki Mikami. Ammonite concretion formation through organic decomposition in the iron reduction zone. Journal of Sedimentary Research. 2023
佐々木聡史, 隈隆成. 愛知県南知多町先苅貝塚における貝形虫化石. 名古屋大学年代測定研究. 2023. 7. 32-35
Kuma Ryusei, Nishimoto Shoji, Muramiya Yusuke, Yoshida Hidekazu. The formation conditions of gigantic dolomite concretions including whale bones exposed in Unosaki coast, Oga peninsula, Japan. The Journal of the Geological Society of Japan. 2023. 129. 1. 145-151
Omori Hikaru, Ando Hisao, Muramiya Yusuke, Utagawa Fumiaki, Kuma Ryusei, Yoshida Hidekazu. Large ammonoid shellbed and huge calcareous concretion bed in shallow-marine fine sandstone of the lower Coniacian Ashizawa Formation, Futaba Group, Northeast Japan. The Journal of the Geological Society of Japan. 2023. 129. 1. 105-124
Hitoshi Hasegawa, Nagayoshi Katsuta, Yasushi Muraki, Ulrich Heimhofer, Niiden Ichinnorov, Hirofumi Asahi, Hisao Ando, Koshi Yamamoto, Masafumi Murayama, Tohru Ohta, et al. Decadal-centennial-scale solar-linked climate variations and millennial-scale internal oscillations during the Early Cretaceous. Scientific Reports. 2022. 12. 1

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MISC (4)：

隈隆成, 浅井沙紀, 吉田英一, 南雅代. 名古屋港海底泥中に見つかる炭酸塩コンクリーションの形成年代. 名古屋大学年代測定研究. 2022. 6
隈隆成, 長谷川精, 吉田英一, 南雅代. 米国グリーンリバー湖成層に見られる有機物起源チャートの成因. 名古屋大学年代測定研究. 2021. 5
隈隆成. 米国グリーンリバー湖成層から探る始新世温室期の数年~数十万年スケールの陸域気候変動. 深田研究助成研究報告. 2020. 2019
Kuma Ryusei, Hasegawa Hitoshi, Yamamoto Koshi, Yoshida Hidekazu, Ikeda Masayuki, Katsuta Nagayoshi, Whiteside J. Lacustrine bedded chert formation in paleo-alkaline sediments. Abstracts of Annual Meeting of the Geochemical Society of Japan. 2019. 66. 0. 58-58

Lectures and oral presentations (29)：

メゾンクリークの菱鉄鉱質コンクリーション群におけるコンクリーション中の炭素量と化石サイズの関係
(日本古生物学会第172回例会 2023)
Ammonite concretion formation in the iron reduction zone during early diagenesis
(日本地質学会学術大会(Web) 2023)
Unraveling the formation process of Holocene carbonate concretions through <sup>14</sup>C analysis.
(日本地球化学会年会要旨集(Web) 2023)
新世炭酸塩コンクリーションの 14C 年代測定
(第 23 回 AMS シンポジウム 2022)
Formation process of biogenic gigantic dolomite concretions found in Oga peninsula, Japan
(the 5th ISEE Symposium Toward the Future of Space-Earth Environmental Research 2022)

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Education (2)：

2016 - 2021 Nagoya University Graduate School of Environmental Studies Department of Earth and Environmental Sciences
2012 - 2016 Kyushu University School of Sciences Department of Earth and Planetary Sciences

Professional career (1)：

Work history (4)：

2024/04 - 現在 University of Miyazaki Faculty of Education lecturer
2023/04 - 2024/03 日本大学文理学部地球科学科助手
2021/04 - 2023/03 Nagoya University Institute for Space and Earth Environmental Research
2022/04 - 2022/09 Waseda University Faculty of Education and Integrated Arts and Sciences

Awards (3)：

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