YAMAGUCHI Naofumi

ヤマグチナオフミ | YAMAGUCHI Naofumi

Affiliation and department：
Job title： Lecturer
Homepage URL (1)： http://naofumiy.cwes.ibaraki.ac.jp/index.html

Research field (2)： Solid earth science , Human geoscience

Research keywords (4)： wave ripple , grain size distribution , bedform , Sedimentology

Research theme for competitive and other funds (13)：

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Papers (26)：

Kento Kumisaka, Naofumi Yamaguchi, Yusuke Okazaki. Fragmentation and separation of diatom valves in modern shallow lake sediments: a case study in Lake Kitaura, Japan. Journal of Paleolimnology. 2024. 72. 317-330
Naofumi Yamaguchi, Tsuyoshi Ando, Hirotaka Enokida, Natsumi Nakada, Syota Yamaki, Tohru Ohta. Logratio analysis of components separated from grain-size distributions and implications for sedimentary processes: An example of bottom surface sediments in a shallow lake. Sedimentology. 2024. 71. 1291-1304
Naofumi Yamaguchi. Validation of appropriate estimation criteria for the number of components for separating a polymodal grain-size distribution into lognormal distributions. Progress in Earth and Planetary Science. 2023. 10. 70
Naofumi Yamaguchi, Toshifumi Taki and Tomohiro Sekiguchi. Effect of sediment supply on geometry of wave ripples: preliminary results of flume experiment. Journal of the Sedimentological Society of Japan. 2022. 80. 1/2. 3-9
土屋渚・青木茂・植松幸希・鳥羽光晴・山口直文・岡本研. 東京湾の砂質干潟において外来性二枚貝ホンビノスガイMercenaria mercenariaの生物攪拌が底質およびベントス群集に与える影響. 日本水産学会誌. 2021. 87. 1. 11-22

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MISC (8)：

山口直文. 書籍紹介松島亘志・成瀬元・横川美和編著「土砂動態学-山から深海底までの流砂・漂砂・生態系-」. 堆積学研究. 2021. 79. 2. 121-122
Naofumi Yamaguchi. Center for Water Environment Studies, Ibaraki University. Journal of the Sedimentary Society of Japan. 2019. 77. 1. 51-53
Shintaro YAMASAKI, Yuki MATSUSHI, Kyoko KATAOKA and Naofumi YAMAGUCHI. Underwater Investigation for Lake Ashinoko, Kanagawa, Japan by Using a Low-cost Side-scan Sonar Imaging. 京都大学防災研究所年報. 2017. 60. B. 453-460
山口直文. 波浪による振動流下のリップル挙動と堆積構造. 日本堆積学会2009年京都・枚方大会ショートコース『漂砂流砂系における堆積物動態と地形のとらえ方』講義テキスト. 2009. 39-44
山口直文, 関口秀雄. 波はリップルをどう移動させるのか?. 九州大学応用力学研究所研究集会報告:地形のダイナミクスとパターン. 2009. 59-64

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Books (1)：

Lectures and oral presentations (34)：

霞ヶ浦北浦における湖底平原への堆積物供給プロセス:粒度分布の成分分離解析による検討
(日本地球惑星科学連合2024年大会 2024)
砂泥混合堆積物上の振動流リップル発生条件:粘着性泥と非粘着性泥の比較
(日本堆積学会2024年熊本大会 2024)
霞ヶ浦西浦および北浦における湖底表層堆積物の粒径の特徴:対数正規分布成分への分離による解析
(日本地質学会日本地質学会第130年学術大会 2023)
多峰性粒度分布から分離された粒径成分の特徴に基づく土砂動態の定量的推定:霞ヶ浦の湖底表層堆積物の例
(日本地球惑星科学連合2023年大会 2023)
Storegga deposits at Howick Burn and their application to Low Frequency, High Magnitude risk assessment of Offshore Wind
(Japan Geoscience Union Meeting 2023 2023)

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Education (3)：

2006 - 2009 Kyoto University Graduate School of Science Division of Earth and Planetary Sciences
2004 - 2006 Kyoto University Graduate School of Science Division of Earth and Planetary Sciences
2000 - 2004 Kyoto University Faculty of Science

Professional career (1)：

Work history (7)：

2020/02 - 2020/12 University of Hull Energy and Environment Institute Visiting researcher
2012/04 - 2020/03 茨城大学広域水圏環境科学教育研究センター助教
2010/04 - 2012/03 AIST Geodynamics Research Group, Institute of Geology and Geoinformation Postdoctoral Fellow
2009/04 - 2010/03 京都大学 JSPS Postdoctoral Fellow (PD)
2009/04 - 2010/03 JSPS Postdoctoral Fellow at Kyoto University (PD)

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Committee career (6)：

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Awards (6)：

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Association Membership(s) (5)：

SEPM (Society of Sedimentary Geology) , International Association of Sedimentologists , 日本堆積学会 , 日本地球惑星科学連合 , 日本地質学会

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