(1998.3 The University of Tokyo)
(1996.3 The University of Tokyo)
Updated on 2026/06/17
桜島
Suwanosejima
火山
噴火推移予測
automatic ash sampling machine
マグマ
自然現象観測・予測
噴火モニタリング
火山地質学
岩石学
火山爆発指標
火山灰放出量
volcanic ash
機械学習
地質学
噴出物システマティックス
噴火様式
モニタリング
degassing processes of magma
マグマ
データ駆動
2023.10 Kagoshima University Professor
2024.4 National Research Institute for Earth Science and Disaster Prevention
2023.10 - 2024.9 Tokoha University Faculty of Social and Environmental Studies
2023.4 Kyoto University
2023.4 東京大学地震研究所 外来研究員(併任)
2022.2 - 2023.9 National Research Institute for Earth Science and Disaster Prevention
2021.4 - 2023.3 東京大学地震研究所 火山噴火予知研究センター 客員教授(併任)
2018.4 - 2023.9 Tokoha University Faculty of Social and Environmental Studies Professor
2016.4 - 2021.3 The University of Tokyo Earthquake Research Institute
Japan Association of Mineralogical Sciences
THE VOLCANOLOGICAL SOCIETY OF JAPAN
JAPAN GEOSCIENCE UNION
Mineralogical society of America
IAVCEI
American Geophysical Union
2024.7 日本火山学会 各賞委員会 Academic society
2014.7 - 2024.6 日本火山学会 大会委員
Taketo Shimano, Atsushi Yasuda, Masato Iguchi . Principal Component Analysis of the Color of Bulk Ash Samples at Sakurajima Volcano, Southwest Japan . JOURNAL OF DISASTER RESEARCH20 ( 3 ) 308 - 316 2025.6Reviewed
Taketo Shimano, Yuki Suzuki, Atsushi Yasuda, Fukashi Maeno, Takahiro Miwa, Masashi Nagai, Setsuya Nakada, Michihiko Nakamura . The color systematics of volcanic ashfall samples in estimating eruption sequences: a case study of the 2017–2018 eruption at Shinmoe-dake, Kirishima volcano, Southwest Japan . Earth, Planets and Space76 ( 1 ) 2024.7
Taketo Shimano, Takeshi Nishimura, Nobuyuki Chiga, Yoshinobu Shibasaki, Masato Iguchi, Daisuke Miki, Akihiko Yokoo . Development of an automatic volcanic ash sampling apparatus for active volcanoes . BULLETIN OF VOLCANOLOGY75 ( 12 ) 2013.12Reviewed
T. Shimano, S. Nakada . Vesiculation path of ascending magma in the 1983 and the 2000 eruptions of Miyakejima volcano, Japan . BULLETIN OF VOLCANOLOGY68 549 - 566 2006.1Reviewed
嶋野岳人, 安田敦 . 噴火推移理解に向けた時系列物質データ導出と火山灰システマティクス構築のための歩みと展望 . 月刊地球45 ( 2 ) 65 - 74 2023.2
安田敦, 亀谷伸子, 嶋野岳人, 吉本充宏, 田島靖久 . 類似したテフラを識別・対比する定量的な方法の数学的な取り扱いについて . 月刊地球45 ( 2 ) 55 - 64 2023.2
嶋野岳人 . 諏訪之瀬島火山におけるマグマ供給推移のタイムスケールと 噴出物データの実際と課題 -開口型火山の一例として- . 防災科学技術研究所研究資料 ( 487 ) 101 - 106 2023.2
Setsuya Nakada, Fukashi Maeno, Mitsuhiro Yoshimoto, Natsumi Hokanishi, Taketo Shimano, Akhmad Zaennudin, Masato Iguchi . Eruption Scenarios of Active Volcanoes in Indonesia . Journal of Disaster Research14 ( 1 ) 40 - 50 2019.1Reviewed
Fukashi Maeno, Setsuya Nakada, Mitsuhiro Yoshimoto, Taketo Shimano, Natsumi Hokanishi, Akhmad Zaennudin, Masato Iguchi . Eruption pattern and a long-term magma discharge rate over the past 100 years at Kelud Volcano, Indonesia . Journal of Disaster Research14 ( 1 ) 27 - 39 2019Reviewed
Maeno, F, Nakada, S, Yoshimoto, M, Shimano, T, Hokanishi, N, Zaennudin, A, Iguchi, M . A sequence of a plinian eruption preceded by dome destruction at Kelud volcano, Indonesia, on February 13, 2014, revealed from tephra fallout and pyroclastic density current deposits . Journal of Volcanology and Geothermal Research 2017.3Reviewed
Fukashi Maeno, Setsuya Nakada, Teruki Oikawa, Mitsuhiro Yoshimoto, Jiro Komori, Yoshihiro Ishizuka, Yoshihiro Takeshita, Taketo Shimano, Takayuki Kaneko, Masashi Nagai . Reconstruction of a phreatic eruption on 27 September 2014 at Ontake volcano, central Japan, based on proximal pyroclastic density current and fallout deposits . EARTH PLANETS AND SPACE68 82 2016.5Reviewed
Teruki Oikawa, Mitsuhiro Yoshimoto, Setsuya Nakada, Fukashi Maeno, Jiro Komori, Taketo Shimano, Yoshihiro Takeshita, Yoshihiro Ishizuka, Yasuhiro Ishimine . Reconstruction of the 2014 eruption sequence of Ontake Volcano from recorded images and interviews . EARTH PLANETS AND SPACE68 ( 1 ) 79 2016.5Reviewed
Akihisa Kitamura, Yoko Ohashi, Hidemi Ishibashi, Yosuke Miyairi, Yusuke Yokoyama, Ryoya Ikuta, Yasuhiro Ito, Masayuki Ikeda, Taketo Shimano . Holocene geohazard events on the southern Izu Peninsula, central Japan . Quarternary International397 541 - 554 2015.5Reviewed
Takahiro Miwa, Taketo Shimano, Takeshi Nishimura . Characterization of the luminance and shape of ash particles at Sakurajima volcano, Japan, using CCD camera images . BULLETIN OF VOLCANOLOGY77 ( 1 ) 2015.1Reviewed
KANEKO Takayuki, YASUDA Atsushi, SHIMANO Taketo, YOSHIMOTO Mitsuhiro, FUJII Toshitsugu . Whole-rock Chemical Composition of Scoria Layers of the Younger Stage Exposing at Taro-bo, Mt Fuji ─A Change in the Magma Plumbing System Occurred around Formation Period of the Fuji-black Soil Layer (FB) . Journal of Volcanological Society, Japan59 ( 2 ) 41 - 54 2014.4Reviewed
Thuy Nguyen Thi, Hideki Wada, Tsuyoshi Ishikawa, Taketo Shimano . Geochemistry and petrogenesis of carbonatites from South Nam Xe, Lai Chau area, northwest Vietnam . Mineralogy and Petrology108 ( 3 ) 371 - 390 2014Reviewed
Yuki Suzuki, Masashi Nagai, Fukashi Maeno, Atsushi Yasuda, Natsumi Hokanishi, Taketo Shimano, Mie Ichihara, Takayuki Kaneko, Setsuya Nakada . Precursory activity and evolution of the 2011 eruption of Shinmoe-dake in Kirishima volcano-insights from ash samples . EARTH PLANETS AND SPACE65 ( 6 ) 591 - 607 2013Reviewed
SHIMANO Taketo, AMANO Keisuke, YASUDA Atsushi, KANEKO Takayuki, YONEDA Minoru, FUJII Toshitsugu . Discovery and its Significance of Pyroclastic Flow Deposits on the southern slope of Mt. Fuji at the Primary Stage of the Younger Fuji Volcano, Central Japan . BULLETIN OF THE VOLCANOLOGICAL SOCIETY OF JAPAN58 ( 3 ) 427 - 441 2013Reviewed
Takeshi Kuritani, Jun-Ichi Kimura, Tsuyoshi Miyamoto, Haiquan Wei, Taketo Shimano, Fukashi Maeno, Xu Jin, Hiromitsu Taniguchi . Intraplate magmatism related to deceleration of upwrelling asthenospheric mantle: Implications from the Changbaishan shield basalts, northeast China . LITHOS112 ( 3-4 ) 247 - 258 2009.10Reviewed
Kuritani T, Kimura J. I, Miyamoto T, Shimano T, Maeno F, Wei H, Jin X, Taniguchi H . Geochemistry and geochronology of Gaima basaltic lava plateau, Northeast China . GEOCHIMICA ET COSMOCHIMICA ACTA72 ( 12 ) A505 2008.7Reviewed
Yoshihiko Goto, Setsuya Nakada, Masaru Kurokawa, Taketo Shimano, Takeshi Sugimoto, Sumio Sakuma, Hideo Hoshizumi, Mitsuhiro Yoshimoto, Kozo Uto . Character and origin of lithofacies in the conduit of Unzen volcano, Japan . JOURNAL OF VOLCANOLOGY AND GEOTHERMAL RESEARCH175 ( 1-2 ) 45 - 59 2008.7Reviewed
Akira Imai, Nobuo Geshi, Taketo Shimano, Setsuya Nakada . Implication of the temporal sulphur isotopic variation during the 2000 eruption of Miyakejima Volcano, Japan . ISLAND ARC16 ( 1 ) 83 - 92 2007.3Reviewed
S Noguchi, A Toramaru, T Shimano . Crystallization of microlites and degassing during magma ascent: Constraints on the fluid mechanical behavior of magma during the Tenjo Eruption on Kozu Island, Japan . BULLETIN OF VOLCANOLOGY68 ( 5 ) 432 - 449 2006.4Reviewed
T Kaneko, A Yasuda, T Shimano, S Nakada, T Fujii, T Kanazawa, A Nishizawa, Y Matsumoto . Submarine flank eruption preceding caldera subsidence during the 2000 eruption of Miyakejima Volcano, Japan . BULLETIN OF VOLCANOLOGY67 ( 3 ) 243 - 253 2005.3Reviewed
N. Geshi, T. Shimano, T. Chiba, S. Nakada . Caldera collapse during the 2000 eruption of Miyakejima Volcano, Japan . Bulletin of Volcanology64 ( 1 ) 55 - 68 2002Reviewed
Taketo Shimano, Takehiro Koyaguchi . Eruption styles and degassing process of Ascending magma of the 1813 eruption of Suwanose-jima volcano, Southwest Japan . Bulletin of Volcanological Society of Japan46 ( 2 ) 53 - 70 2001.4Reviewed
Setsuya NAKADA, Masashi NAGAI, Atsushi YASUDA, Taketo SHIMANO, Nobuo GESHI, Marekazu OHNO, Takako AKIMASA, Takayuki KANEKO, Toshitsugu FUJII . Pictorial 1 : Chronology of the Miyakejima 2000 Eruption . Journal of Geography (Chigaku Zasshi)110 ( 2 ) Plate3 - Plate5 2001
Kaneko, T, Sudo, N, Wooster, M. J, Geshi, N, Shimano, T, Nagai, M, Nakada, S . RADARSAT determination of the outlines of the successively collapsing caldera at the Miyakejima 2000 eruption, Japan. . Bull. Volcanol. Soc. Jpn.46 ( 4 ) 205 - 209 2001Reviewed
Suwanosejima volcano - Mission for volcano research -
Taketo Shimano( Role: Sole author)
2026.3 ( ISBN:978-4-89290-079-2 )
Q&A火山噴火127の疑問
嶋野 岳人( Role: Joint editor , 責任編集)
ブルーバックスシリーズ,講談社 2015
Visible microspectroscopy and systematics of ash particles of the 2018 eruption at Shinmoe-dake, Kirishima volcano
嶋野岳人, 鈴木由希, 前野深, 安田敦, 三輪学央, 長井雅史
日本火山学会講演予稿集 2021 2021
Report of 2011 IUGG General Assembly in Melbourne, Australia
YOKOO Akihiko, SHIMANO Taketo, MATSUMOTO Akiko, MIWA Takahiro, KAZAHAYA Ryunosuke, MANNEN Kazutaka, TERADA Akihiko, SUZUKI Yujiro J, KOHNO Yuhki, KOZONO Tomofumi, SATO Eiichi, HOSHIDE Takashi, NAKAOKA Reina, MINAMI Soma
Bulletin of the Volcanological Society of Japan 56 ( 6 ) 213 - 219 2011.12
Taketo Shimano, Nanami Homma, Atsushi Yasuda, Masato Iguchi, Taishi Yamada, Takahiro Miwa Mechanisms controlling the scale of vulcanian eruptions at Sakurajima volcano, SW Japan, based on monitoring of ash samples with various timescales.
JpGU-AGU Joint Meeting 2026 2026.5 JpGU
嶋野岳人, 山田大志 バルク火山灰測色値による桜島火山の噴火推移過程の考察
日本火山学会2025年度秋季大会 2025.10 日本火山学会
Taketo Shimano, Nanami Homma, Atsushi Yasuda, Masato Iguchi, Michihiko Nakamura Continuous sampling and investigation of volcanic ash to monitor eruption sequence at andesitic volcanoes in Japan International conference
IAVCEI SA 2025.7 IAVCEI
本間 凪々海、嶋野 岳人、安田 敦、井口 正人 火山灰解析に基づく桜島火山非噴火性収縮(NED)イベントの発生メカニズムの考察
日本地球惑星科学連合2025年大会 2025.5
Taketo Shimano Continuous ash investigation trials for understanding eruption sequence in southern Kyushu, Japan Invited
Japan Geoscience Union Meeting 2024 2024.5
K. Tani O, IshizukaT. OikawaH. MinamiM, NagaiT. Shimano, IMcIntoshM. NakamuraF, MaenoT, SanoT. MizunoT. Ukita, FIkegamiK. Ito August 2021 eruption of the Fukutoku-Oka-no-Ba Volcano, Izu-Bonin Arc: Understanding the eruption dynamics from rapid response seafloor surveys
IAVCEI Scientific Assembly 2023, Feb, 2023 2023.2
Shimano, T, Yasida. A, Miwa, T, Nakamura, M Quantitative identification of ash particles by visible micro-spectroscopy for monitoring transition in eruption styles
IAVCEI2023, Scientific assembly 2023.2
Kaneko T, Yasuda A, Yoshimoto M, Shimano T, Fujii T, Nakada S A05 Magmatic features and the magma plumbing system of Mt Fuji : a chemical study of scoria-fall layers
PROGRAMME AND ABSTRACTS THE VOLCANOLOGICAL SOCIETY OF JAPAN 2004 The Volcanological Society of Japan
TERADA Akihiko, SHIMANO Taketo, KOYAMA Etsuro, AOYAMA Hiroshi, IIJIMA Sei S17 Dynamics of Volcanic Gloud at Asama Volcano in 2004
PROGRAMME AND ABSTRACTS THE VOLCANOLOGICAL SOCIETY OF JAPAN 2004 The Volcanological Society of Japan
Shimano Taketo, Iida Akiko, Yoshimoto Mitsuhiro, Yasuda Atsushi, Nakada Setsuya S06 Petrological characteristics of the 2004 products at Asama Volcano
PROGRAMME AND ABSTRACTS THE VOLCANOLOGICAL SOCIETY OF JAPAN 2004 The Volcanological Society of Japan
Yoshimoto Mitsuhiro, Koyaguchi Takehiro, Nakada Setuya, Hoshizumi Hideo, Ishizuka Yoshihiro, Furukawa Ryuta, Shinohara Hiroshi, Nogami Kenji, Onizawa Shinya, Nagai Masashi, Shimano Taketo, Koyama Etsuro, Iida Akiko, Kurokawa Masaru, Okayama Yuko, Nonaka Miyuki, Ysasuda Astushi S05 Ejecta from the 2004 eruotions of Asama volcano
PROGRAMME AND ABSTRACTS THE VOLCANOLOGICAL SOCIETY OF JAPAN 2004 The Volcanological Society of Japan
Nakada S, Uto K, Yoshimoto M, Sugimoto T, Shimano T, Kurokawa M, Hoshizumi H, Goto Y, Noguchi S, Oguri K P53 Real images of magmatic conduit : progress of the conduit drilling in Unzen (Part 2)
PROGRAMME AND ABSTRACTS THE VOLCANOLOGICAL SOCIETY OF JAPAN 2004 The Volcanological Society of Japan
Kurokawa Masaru, Nakada Setsuya, Yoshimoto Mitsuhiro, Shimano Taketo, Sugimoto Takeshi, Oguri Kazukiyo, Hoshizumi Hideo P52 Magma history of Unzen, investigated using drilling slime of conduit drilling
PROGRAMME AND ABSTRACTS THE VOLCANOLOGICAL SOCIETY OF JAPAN 2004 The Volcanological Society of Japan
Yoshimoto Mitsuhiro, Shimano Taketo, Kaneko Takayuki, Yasuda Atsushi, Fujii Toshitsugu, Nakada Setsuya Fuji scientific drilling project : Initial description of FJ-1,2,3,4 core
Annual Meeting of the Geological Society of Japan 2003 The Geological Society of Japan
Yasuda A, Kaneko T, Yoshimoto M, Shimano T, Nakada S, Fujii T Fuji scientific drilling project (part 4) : Petrological study on lavaflows in FJ-1 ∿ FJ-3 cores
PROGRAMME AND ABSTRACTS THE VOLCANOLOGICAL SOCIETY OF JAPAN 2003 The Volcanological Society of Japan
Kaneko T, Yoshimoto M, Shimano T, Yasuda A, Fujii T, Nakada S, Uesugi Y Stratigraphy and time-series chemical variation of scoria layers on the eastern slop of Mt. Fuji
PROGRAMME AND ABSTRACTS THE VOLCANOLOGICAL SOCIETY OF JAPAN 2003 The Volcanological Society of Japan
野口聡, 嶋野岳人, 寅丸敦志 Fragmentation直下におけるpoiseuille flow領域の存在 神津島天上山噴火の例
日本火山学会講演予稿集 2002
Taketo Shimano, Atsushi Yasuda, Masato Iguchi Current state evaluation and long-term prediction of volcanic activity based on historical tracking of volcanic ash deposits at Suwanosejima volcano
JpGU 2021 2021.6
嶋野岳人, 鈴木由希, 前野 深, 安田 敦, 三輪学央, 長井雅史 火山灰の顕微可視分光測定と火山灰システマティクスによる推移推定 ―新燃岳2018年噴火初期での検討―
日本火山学会秋季大会 2021.10
Taketo Shimano The systematics of volcanic ash and transitions in eruption styles - in the 1813 eruption at Suwanosejima volcano -
JpGU2022 2022.5
嶋野岳人, 井口正人, 安田敦 桜島火山における火山灰連続採取データの展開
日本火山学会2023年度秋季大会 2023.10
嶋野岳人, 安田敦 反射電子像を用いた火山灰の構成比の自動迅速導出 ―諏訪之瀬島1813年噴火での検討―
日本火山学会秋季大会 2022.10
Taketo Shimano, Michihiko Nakamura Improvement of quantitative classification of ash particles by micro-visible spectroscopy system
2024.10
嶋野岳人, 安田敦 分光測色計によるラピリサイズ火山噴出物試料の特徴記載のすすめ
日本地球惑星科学連合2023年大会 2023.5
KenichiroTani, Osamu Ishizuka, Hiroki Minami, Teruki Oikawa, Hajime Katayama, Yoshiaki Suzuki, Taketo Shimano, Masashi Nagai, Fukashi Maeno, Michihiko Nakamura, Naoto Jimi, Takashi Sano Rapid response seafloor surveys of the Fukutoku-Oka-no-Ba Volcano, Izu-Bonin Arc: Unraveling the eruption dynamics of the August 2021 eruption
Japan Geoscience Union Meeting 2022, Jun 1, 2022 2022.6
Kenichiro Tani, Osamu Ishizuka, Hiroki Minami, Michihiko Nakamura, Teruki Oikawa, Hajime Katayama, Yoshiaki Suzuki, Taketo Shimano, Masashi Nagai, Fukashi Maeno, Takashi Sano, Iona M McIntosh, Koji Ito, Taisei Ukita, Naoto Jimi, Hironori Komatsu, Tatsuki Mizuno, Misato Sako August 2021 Plinian eruption of Fukutoku-Oka-no-Ba Volcano, Izu-Bonin Arc: Constraints on the eruption dynamics from rapid response seafloor surveys
AGU Fall Meeting 2022, Dec 13, 2022 2022.12
Tani Kenichiro, Izhizuka Osamu, Minami Hiroki, Oikawa Teruki, Katayama Hajime, Suzuki Yoshiaki, Shimano Taketo, Nagai Masahi, Iona McIntosh, Maeno Fukashi, Nakamura Michihiko, Jimi Naoto, Mizuno Tatsuki, Ukita Taisei, Ikegami Fumihiko, Sano Takashi August 2021 eruption of the Fukutoku-Oka-no-Ba Volcano, Izu-Bonin Arc: Latest results from the rapid response seafloor surveys
IAVCEI Submarine Volcanism Seminar, Nov 2, 2022 2022.11
Maeno, F, Nakada, S, Yoshimoto, M, Shimano, T, Hokanishi, N, Zaennudin, A, Iguchi, M A sequence of plinian eruption preceded by dome destruction at Kelud volcano, Indonesia, on February 13, 2014: insights from tephra fallout and pyroclastic density current deposits
JpGU2017 2017.5
Shimano, T, Nakada, S, Suzuki, Y, Maeno, F, Yoshimoto, M, Hokanishi, N, Zaennudin, A, Iguchi, M Quantitative color spectroscopy of ashfall samples as an indicator of eruption styles: Comparison of vulcanian and strombolian eruptions in Indonesia and in Japan. International conference
Cities on Volcanoes 9 2016.11
Shimano, T, Geshi, N Preceded long period ash eruptions before the subplinian 1813 eruption at Suwanosejima volcano, SW Japan International conference
AGU Fall meeting 2012.12
himano, T, Iguchi, M, Yokoo, A, Miki, D Petrological monitoring of Sakurajima volcano, SW Japan International conference
IUGG General Assembly 2011
Shimano, T, Iguchi, M Petrological method to evaluate eruptive activity by collecting ash samples. International conference
Asian International symposium on modeling of volcanic eruption for volcanic hazard assessment 2008.12
Taketo Shimano Mechanical effect of microlites on bubble coalescence in vesicular magma International conference
Unzen International Workshop “Drilling the Volcanic conduit: Achievement of the Scientific Drilling Project” 2005
Shimano, T, Iguchi, M Evolution of vent system during continuous ash emissions with Strombolian eruptions in 2000-2011 at Suwanosejima volcano, SW Japan International conference
AGU Fall meeting 2011
Shimano, T, Miyamoto, T, Nakagawa, M, Ban, M, Maeno, F, Nishimoto, J, Jin, X, Taniguchi, H Eruption mechanism of the 10th century eruption at Baitoushan volcano, China/North Korea International conference
AGU Fall meeting 2005
Taketo Shimano, Masato Iguchi, Setsuya Nakada, Yuki Suzuki, Fukashi Maeno, Mitsuhiro Yoshimoto, Akhmad Zaennudin, Natsumi Hokanishi, Atsushi Yasuda Detection of transition in eruption style by spectrophotometric colorimetry of time-series ash samples during long-lasting eruptions International conference
Science Assembly of Internation Association of Volcanology and Chemistry of the Earth's Interior (IAVCEI), Portland 2017.8
Shimano, T, Tani, K, Maeno, F, Fiske, R. S, Shukuno, H, Ito, K, Shimoda, G, Suzuki, Y. J, Yoshida, T, Taniguchi, H Correlation of submarine deposits and witness accounts of the 1952 Myojinsho submarine eruptions, Izu-Bonin arc, by bathymetric survey International conference
AGU Fall meeting 2009
Shimano, T, Iguchi, M, Miki, D Continuous survey of color and glass composition of ash particles by automatic sampling system at Sakurajima volcano, Japan International conference
AGU Fall meeting 2013.12
Taketo Shimano Continuous survey of ash particles by automatic sampling system Invited International conference
IAVCEI2013 Scientific assembly 2013.7
Shimano, T, Iguchi, M, Yokoo, A, Miki, D Continuous monitoring of ash fall from Showa crater by time series sampling at Sakurajima volcano, SW Japan International conference
AGU Fall meeting 2010
Shimano, T, Iguchi, M, Miki, D, Nishimura, T Characteristics of time-series ash samples at Sakurajima and comparison with other volcanoes International conference
Cities on Volcanoes 8, Universitas Gadjah Mada, Yogyakarta, Indonesia 2014.9
火山観測と火砕物分析による火山爆発を支配する変数の定量的解明
Grant number:22KK0047 2022.4 - 2027.3
日本学術振興会 科学研究費助成事業(学術研究助成基金助成金) 国際共同研究加速基金(国際共同研究強化(B))
Authorship:Coinvestigator(s)
Development of a method to identify and discriminate similar tephras erupted from a single volcano
Grant number:20H01982 2020.4 - 2024.3
Japan Society for the Promotion of Science Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B) Grant-in-Aid for Scientific Research (B)
Grant amount:\17550000 ( Direct Cost: \13500000 、 Indirect Cost:\4050000 )
火山灰のシステマティックス構築に基づく噴火推移と火道進化過程の関係解明研究
Grant number:20H01986 2020.4 - 2024.3
日本学術振興会 科学研究費助成事業 基盤研究(B) 基盤研究(B)
嶋野 岳人, 野口 里奈, 上木 賢太, 井口 正人, 桑谷 立, 安田 敦, 三輪 学央
Grant amount:\17810000 ( Direct Cost: \13700000 、 Indirect Cost:\4110000 )
本研究では,火山噴火推移に伴う火山灰色の変化をもとに,より詳細な多項目データから「火山灰のシステマティックス」を構築し,マグマ供給系・火道周辺環境の進化過程と噴火推移の関係解明をめざしている.具体的には,①大量の測色データが得られる火山灰試料に対し,マグマの結晶化や酸化,変質などの素過程に対応する変数を整理し,システマティックスを構築する(この際,従来は時間を要した岩石組織解析などの迅速化,新規項目導入による多変量化推進).一方,②この手法を連続採取試料に適用し,多変量時系列解析からマグマ供給系や火道環境の進化過程の理解を進める(この際,統計数理手法に基づく情報抽出・モデルを構築).
初年度から6つの中目標・計画を策定し(①-1~3,②-1~3),研究を開始した.本年度は,①-2:大量連続試料データから,より高度な解析を要する「選抜試料」を抽出するスキーム構築について,これまでに開発した迅速画像解析プログラムを用いて,火山灰粒子の結晶度や形態による分類・選別を行った.①-3:異なる火山での共通指標導出については,諏訪之瀬島火山1813年噴火および2020年以降の活動に上記反射電子画像の解析プログラムを同一基準で導入・評価を行ったほか,新たに顕微可視分光法を用いて,諏訪之瀬島および新燃岳2018年火山灰粒子試料について定量記載することで,客観的粒子種分類を行った.
残り3つの中期計画は,来年度以降の着手予定であったが,全体の進捗状況をみて一部を前倒しで進めた.すなわち,②-1:連続試料から得られた上記の連続時系列データと地球物理学的データとの相関解析に向けて,近年得られたデータの整理を行った.②-2:マグマ供給系や火道周辺環境を考慮した火道モデルの構築については,今後,より定量的な検証を行うべき初期モデルとして,石基ガラス組成の時間推移に基づく物質科学的モデルの提案を行った.
課題C:火山噴火の予測技術の開発
2016 - 2025
文部科学省 次世代火山研究・人材育成総合プロジェクト
安田 敦
Grant type:Competitive
分担者
Advanced course of geological volcanology
Level:Postgraduate
Geological Volcanology
Level:Undergraduate (specialized)
Laboratory and Training for geological volcanology
Level:Undergraduate (specialized)
火山としての富士山 など
Role(s): Lecturer
静岡県内および山梨県内中学校・高等学校 2006.09 - Now