Koyama Takao 小山崇夫

… Alternative Names

Researcher Number	00359192
Affiliation (Current)	2020: 東京大学, 地震研究所, 助教
Affiliation (based on the past Project Information) *help	2015 – 2020: 東京大学, 地震研究所, 助教 2013: 東京大学, 地震研究所, 助授 2007 – 2013: The University of Tokyo, 地震研究所, 助教 2009: The University of Tokyo, 東京大学地震研究所, 助教 2008: 東京大学, 地震研究所, 助教授 … More
Review Section/Research Field	Principal Investigator Solid earth and planetary physics / Basic Section 17040:Solid earth sciences-related Except Principal Investigator Science and Engineering / Natural disaster science / Solid earth and planetary physics / Basic Section 17040:Solid earth sciences-related
Keywords	Principal Investigator マントル遷移層 / 電気伝導度 / 含水率 / スラブ / 電位伝導度 / 異方性媒質 / ホール効果 / 相反定理 / 非対称テンソル / 準ニュートン法 … More Except Principal Investigator 電気伝導度 / マントル遷移層 / 火山噴火 / 火山 / 水 / 高温高圧実験 / 海底電磁気観測 / 自然災害 / 地球深部スラブ / 地球電磁気観測 / 海底電磁力計 / フィリピン海 / 電磁気トモグラフィー / 地球物理長期観測 / 計算機シミュレーション / 地球進化 / マントル対流 / カルデラ / 地下構造 / 大規模噴火 / 地熱活動 / 電磁気構造 / 火山体構造 / 噴火 / 比抵抗 / 流体 / 高温高圧岩石実験 / MT観測 / ＭＴ観測 / 地殻流体 / 電磁気観測 / 地震 / マグマ溜り / 海底観測 / 姶良カルデラ / マグマ溜まり / スタグナントスラブ / 中国東北部 / ロシア沿海州 / 地電位差 / 地磁気変化 / ネットワークMT / スタグナント・スラブ / Stagnant slab / Electrical conductivity / Mantle transition zone / NE China / Primorski district / Geo-electric field / Geomagnetic variations / Network-MT / 西太平洋 / 火山災害 / 警報 / 避難 / 帰島 / 減災 / 火山観測 / 土砂災害 / 水蒸気噴火 / 草津白根山 / 本白根火山 / 草津白根火山 Less

電離層数値モデルと陸上・海底磁場データを組込んだマントル遷移層描像手法の新展開Principal InvestigatorOngoing
- Principal Investigator
  
  小山崇夫
- Project Period (FY)
  2020 – 2023
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 17040:Solid earth sciences-related
- Research Institution
  The University of Tokyo
地球物理・地球化学的複合アプローチによる火山噴火準備過程の解明Host ResearcherOngoing
- Host Researcher
  
  小山崇夫
- Project Period (FY)
  2019 – 2021
- Research Category
  
  Grant-in-Aid for JSPS Fellows
- Review Section
  
  Basic Section 17040:Solid earth sciences-related
- Research Institution
  The University of Tokyo
Comprehensive Survey of 2018 Kusatsu-Shirane Eruption
- Principal Investigator
  
  Ogawa Yasuo
- Project Period (FY)
  2017 – 2018
- Research Category
  
  Grant-in-Aid for Special Purposes
- Research Institution
  Tokyo Institute of Technology
Inovation for the imaging of water in the mantle transition zone using seafloor electromagnetic array data
- Principal Investigator
  
  BABA Kiyoshi
- Project Period (FY)
  2015 – 2018
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Solid earth and planetary physics
- Research Institution
  The University of Tokyo
Integrated study on the 2015 eruption at the Kuchinoerabujima volcano
- Principal Investigator
  
  Iguchi Masato
- Project Period (FY)
  2015
- Research Category
  
  Grant-in-Aid for Special Purposes
- Research Institution
  Kyoto University
Electromagnetic Imaging of Geofluid
- Principal Investigator
  
  OGAWA Yasuo
- Project Period (FY)
  2009 – 2013
- Research Category
  
  Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)
- Review Section
  
  Science and Engineering
- Research Institution
  Tokyo Institute of Technology
Research on the true picture of magma supply system, which is supposed to be beneath the sea area, by means of the investigation of underground structure
- Principal Investigator
  
  KANDA Wataru
- Project Period (FY)
  2009 – 2012
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Natural disaster science
- Research Institution
  Tokyo Institute of Technology
Research on structure of volcanic field and related magma activity for understanding preparing process of caldera eruptions
- Principal Investigator
  
  KAGIYAMA Tsuneomi
- Project Period (FY)
  2007 – 2009
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Natural disaster science
- Research Institution
  Kyoto University
New method for analyzing three-dimensional electrical conductivity structurePrincipal Investigator
- Principal Investigator
  
  KOYAMA Takao
- Project Period (FY)
  2007 – 2009
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Solid earth and planetary physics
- Research Institution
  The University of Tokyo
Imaging the stagnant slab by ocean bottom electromagnetic observation
- Principal Investigator
  
  UTADA Hisashi
- Project Period (FY)
  2004 – 2008
- Research Category
  
  Grant-in-Aid for Scientific Research on Priority Areas
- Review Section
  
  Science and Engineering
- Research Institution
  The University of Tokyo
電磁気トモグラフィー法による3次元全地球マントル構造モニタリングPrincipal Investigator
- Principal Investigator
  
  小山崇夫
- Project Period (FY)
  2004 – 2006
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Solid earth and planetary physics
- Research Institution
  The University of Tokyo
  Japan Agency for Marine-Earth Science and Technology
Electromagnetic Study of the Stagnant Slab
- Principal Investigator
  
  UTADA Hisashi
- Project Period (FY)
  2003 – 2005
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Solid earth and planetary physics
- Research Institution
  The University of Tokyo

[Journal Article] 無人ヘリによる草津白根山空中磁気測量2019
- Author(s)
  小山崇夫・神田径・宇津木充・金子隆之・大湊隆雄・渡邉篤志・辻浩・西本太郎・本多嘉明
- Journal Title
  
  Conductivity Anomaly 研究会 2019年　論文集
  
  Volume: -
- Data Source
  KAKENHI-PROJECT-17K20141
[Journal Article] 2018年草津白根火山噴火に関する総合調査2018
- Author(s)
  小川康雄・青山裕・山本希・筒井智樹・寺田暁彦・大倉敬宏・神田径・小山崇夫・金子隆之・大湊隆雄・石崎泰男・吉本充宏・石峯康浩・野上健治・森俊哉・木川田喜一・片岡香子・松元高峰・上石勲・山口悟・伊藤陽一・常松佳恵
- Journal Title
  
  自然災害科学総合シンポジウム講演論文集
  
  Volume: 55 Pages: 25-30
- Open Access
- Data Source
  KAKENHI-PROJECT-17K20141
[Journal Article] Three-dimensional resistivity structure of asama volcano revealed by data-space magnetotelluric inversion using unstructured tetrahedral elements2017
- Author(s)
  Usui Y., Y. Ogawa, K. Aizawa, W. Kanda, T. Hashimoto, T. Koyama, Y. Yamaya, and T. Kagiyama
- Journal Title
  
  Geophys. J. Int.
  
  Volume: 208 Pages: 1359-1372
- DOI
  10.1093/gji/ggw459
- NAID
  120006582592
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PLANNED-26109003, KAKENHI-PLANNED-26109006, KAKENHI-PROJECT-15K05262
[Journal Article] Seismicity controlled by resistivity structure: the 2016 Kumamoto earthquakes, Kyushu Island, Japan2017
- Author(s)
  Aizawa K. et al.
- Journal Title
  
  Earth Planets and Space
  
  Volume: 69 Pages: 1-10
- DOI
  10.1186/s40623-016-0590-2
- NAID
  120006360155
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PLANNED-26109003, KAKENHI-PROJECT-26350475, KAKENHI-PROJECT-26400455, KAKENHI-PROJECT-15K05262, KAKENHI-PLANNED-16H06475, KAKENHI-PROJECT-16H06298
[Journal Article] Unmanned observations in an area in danger of volcanic eruptions by using an UAV at Kuchinoerabu-jima volcano, southern Kyushu, Japan2017
- Author(s)
  Ohminato, T., T. Kaneko, T. Koyama, A. Watanabe, W. Kanda, T. Tameguri, and R. Kazahaya
- Journal Title
  
  Journal of Natural Disaster Science
  
  Volume: 38 Pages: 85-104
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-15K05262
[Journal Article] Electrical image of subduction zone beneath northeastern Japan2015
- Author(s)
  Ichiki, M., Y. Ogawa, T. Kaida, T. Koyama, M. Uyeshima, T. Demachi, S. Hirahara, Y. Honkura, W. Kanda, T. Kono, M. Matsushima, T. Nakayama, S. Suzuki, and H. Toh
- Journal Title
  
  Journal of Geophysical Research: Solid Earth
  
  Volume: 120 Pages: 7937-7965
- DOI
  10.1002/2015jb012028
- NAID
  120006582475
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-15K05262, KAKENHI-PLANNED-26109006, KAKENHI-PROJECT-25400443
[Journal Article] Three-dimensional resistivity structure and magma plumbing system of the Kirishima Volcanoes as inferred from broadband magnetotelluric data2014
- Author(s)
  Aizawa, K., T.Koyama, H.Hase, M.Uyeshima, W.Kanda, M.Utsusgi, R.Yoshimura, Y.Yamaya, T.Hashimoto, K.Yamazaki, S.Komatsu, A.Watanabe, K.Miyakawa, Y.Ogawa
- Journal Title
  
  Journal of Geophysical Research
  
  Volume: 119 Pages: 198-215
- DOI
  10.1002/2013jb010682
- NAID
  120006582304
- Peer Reviewed
- Data Source
  KAKENHI-PLANNED-21109003, KAKENHI-PROJECT-22000003, KAKENHI-PROJECT-25400443, KAKENHI-PROJECT-26350475
[Journal Article] Aeromagnetic survey using an unmanned autonomous helicopter over Tarumae Volcano, northern Japan2014
- Author(s)
  Hashimoto, T., T. Koyama, T. Kaneko, T. Ohminato, T. Yanagisawa, M. Yoshimoto, E. Suzuki
- Journal Title
  
  Exploration Geophysics
  
  Volume: 45 Pages: 37-42
- DOI
  10.1071/eg12087
- NAID
  120005460232
- Peer Reviewed
- Data Source
  KAKENHI-PLANNED-21109003
[Journal Article] Three-dimensional electrical conductivity structure beneath Australia from inversion of geomagnetic observatory data - Evidence for lateral variations in transition-zone temperature, water content, and melt2014
- Author(s)
  Koyama, T., A.Khan, and A.Kuvshinov
- Journal Title
  
  Geophys. J. Int.
  
  Volume: 196, 3 Pages: 1330-1350
- Peer Reviewed
- Data Source
  KAKENHI-PLANNED-21109003
[Journal Article] Global 3-D Electromagnetic Forward Modeling: A Benchmark Study2014
- Author(s)
  A. Kelbert, A. Kuvshinov, J. Velimsky, T. Koyama, J. Ribaudo, J. Sun, Z. Martinec, and C. J. Weiss
- Journal Title
  
  Geophys. J. Int.
  
  Volume: 197 Pages: 785-814
- DOI
  10.1093/gji/ggu028
- Peer Reviewed
- Data Source
  KAKENHI-PLANNED-21109003
[Journal Article] Shallow resistivity structure of Sakurajima volcano revealed by audio-frequency magnetotellurics2013
- Author(s)
  Kanda, W., T. Yamazaki, Y. Ogawa, T. Hashimoto, S. Sakanaka, K. Aizawa, S. Takakura, T. Koyama, K. Yamada, T. Kobayashi, S. Komori
- Journal Title
  
  Bull. Volcanol. Soc. Jpn.
  
  Volume: 58 Pages: 251-267
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21310116
[Journal Article] Shallow Resistivity Structure of Sakurajima Volcano Revealed by Audio-frequency Magnetotellurics2013
- Author(s)
  Kanda, W., T. Yamazaki, Y. Ogawa, T. Hashimoto, S. Sakanaka, K. Aizawa, S. Takakura, T. Koyama, K. Yamada T. Kobayashi S. Komori
- Journal Title
  
  Bull. Volcanol. Soc. Jpn
  
  Volume: 58 Pages: 251-267
- Peer Reviewed
- Data Source
  KAKENHI-PLANNED-21109003
[Journal Article] Magnetotelluric and temperature monitoring after the 2011 sub-Plinian eruptions of Shinmoe-dake volcano2013
- Author(s)
  Aizawa, K., Koyama, T., Uyeshima, M., Hase, H., Hashimoto, T., Kanda, W., Yoshimura, R., Utsugi, M., Ogawa, Y., Yamazaki, K.
- Journal Title
  
  Earth Planets Space
  
  Volume: 65 Pages: 539-550
- DOI
  10.5047/eps.2013.05.008
- NAID
  10031193467
- Peer Reviewed
- Data Source
  KAKENHI-PLANNED-21109003, KAKENHI-PROJECT-25400443
[Journal Article] An aeromagnetic survey of Shinmoe-dake volcano、Kirishima, Japan, after the 2011 eruption using an unmanned autonomous helicopter2013
- Author(s)
  Koyama, T., T. Kaneko, T. Ohminato, T. Yanagisawa, A. Watanabe and M. Takeo
- Journal Title
  
  Earth Planets Space
  
  Volume: 65
- NAID
  10031193477
- Peer Reviewed
- Data Source
  KAKENHI-PLANNED-21109003
[Journal Article] An aeromagnetic survey of Shinmoe-dake volcano, Kirishima, Japan, after the 2011 eruption using an unmanned autonomous helicopter2013
- Author(s)
  Koyama, T., T. Kaneko, T. Ohminato, T. Yanagisawa, A. Watanabe, and M. Takeo
- Journal Title
  
  Earth, Planets and Space
  
  Volume: 65 Pages: 657-666
- DOI
  10.5047/eps.2013.03.005
- NAID
  10031193477
- Peer Reviewed
- Data Source
  KAKENHI-PLANNED-21109003
[Journal Article] Three-dimensional electrical conductivity structure beneath Australia from inversion of geomagnetic observatory data: evidence for lateral variations in transition-zone temperature, water content and melt2013
- Author(s)
  Takao Koyama, Amir Khan and Alexey Kuvshinov
- Journal Title
  
  Geophys. J. Int.
  
  Volume: 196 Pages: 1330-1350
- DOI
  10.1093/gji/ggt455
- Peer Reviewed
- Data Source
  KAKENHI-PLANNED-21109003
[Journal Article] 桜島火山の三次元浅部比抵抗構造2013
- Author(s)
  神田径,小川康雄,高倉伸一,小山崇夫,橋本武志,小森省吾,園田忠臣,佐藤泉,井上直人,宇津木充
- Journal Title
  
  2013年ConductivityAnomaly研究会論文集
  
  Pages: 139-144
- NAID
  40020455612
- URL
  http://www.eqh.dpri.kyoto-u.ac.jp/CA/2013/Kanda_et_al_CA2013.pdf.
- Data Source
  KAKENHI-PROJECT-21310116
[Journal Article] Shallow Resistivity Structure of Sakurajima Volcano Revealed by Audio-frequency Magnetotellurics2013
- Author(s)
  Wataru KANDA, Tomoya YAMAZAKI, Yasuo OGAWA, Takeshi HASHIMOTO, Shin'ya SAKANAKA, Koki AIZAWA, Shinichi TAKAKURA, Takao KOYAMA, Kenta YAMADA, Tsukasa KOBAYASHI, Shogo KOMORI
- Journal Title
  
  Bull. Volcanol. Soc. Jpn.
  
  Volume: 58 Pages: 251-267
- Peer Reviewed
- Data Source
  KAKENHI-PLANNED-21109003
[Journal Article] Shallow resistivity structure of Sakurajima volcano revealed by audio-frequency magnetotellurics2013
- Author(s)
  Kanda, W., T. Yamazaki, Y. Ogawa, T.Hashimoto, S. Sakanaka, K. Aizawa, S. Takakura, T. Koyama, K. Yamada, T. Kobayashi, S. Komori
- Journal Title
  
  Bull.Volcanol. Soc.Jpn
  
  Volume: 58 Pages: 251-267
- URL
  http://www.kazan-g.sakura.ne.jp/Vol/58p251a.pdf.
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21310116
[Journal Article] A regularized three-dimensional magnetotelluric inversion with a minimum gradient support constraint2012
- Author(s)
  Zhang, L., T.Koyama, H.Utada, P.Yu, and J.Wang
- Journal Title
  
  Geophys. J. Int.
  
  Volume: vol.189, no.1 Pages: 296-316
- Peer Reviewed
- Data Source
  KAKENHI-PLANNED-21109003
[Journal Article] A regularized three-dimensional magnetotelluric inversion with a minimum gradient support constraint2012
- Author(s)
  Zhang, L., T. Koyama, H. Utada, P. Yu, and J. Wang
- Journal Title
  
  Geophys. J. Int.
  
  Volume: 189 Pages: 296-316
- Peer Reviewed
- Data Source
  KAKENHI-PLANNED-21109003
[Journal Article] Low-altitude remote sensing of volcanoes using an unmanned autonomous helicopter : an example of aeromagnetic observation at Izu-Oshima volcano, Japan2011
- Author(s)
  Kaneko, T., T.Koyama, A.Yasuda, M.Takeo, T.Yanagisawa, K.Kajiwara, Y.Honda
- Journal Title
  
  International Journal of Remote Sensing
  
  Volume: (In press)
- Peer Reviewed
- Data Source
  KAKENHI-PLANNED-21109003
[Journal Article] Three-dimensional imaging of electrical conductivity in the mantle transition zone beneath the North Pacific Ocean by a semi-global induction study2010
- Author(s)
  Shimizu, H., H.Utada, K.Baba, T.Koyama, M.Obayashi, Y.Fukao
- Journal Title
  
  Phys.Earth Planet.Inter.
  
  Volume: 183 Pages: 252-269
- Peer Reviewed
- Data Source
  KAKENHI-PLANNED-21109003
[Journal Article] Revised 1-D mantle electrical conductivity structure beneath the north Pacific2010
- Author(s)
  Shimizu H., T.Koyama, K.Baba, H.Utada
- Journal Title
  
  Geophys.J.Int.
  
  Volume: 180 Pages: 1030-1048
- Peer Reviewed
- Data Source
  KAKENHI-PLANNED-21109003
[Journal Article] 広帯域MT観測から推定される阿蘇カルデラの比抵抗構造2009
- Author(s)
  宇津木充・鍵山恒臣・小森省吾・井上寛之・橋本武志・小山崇夫・小川康雄・神田径・山崎友也・長町信吾・石田憲久
- Journal Title
  
  第4回阿蘇火山の集中総合観測報告書
  
  Pages: 31-42
- Data Source
  KAKENHI-PROJECT-19310116
[Journal Article] Magnetotelluric Transect of the Niigata-Kobe Tectonic Zone, Central Japan : A Clear Correlation between Strain Accumulation and Resistivity Structure2009
- Author(s)
  Yoshimura, R., N.Oshiman, M.Uyeshima, H.Toh, T.Uto, H.Kanezaki, Y.Mochido, K.Aizawa, Y.Ogawa, T.Nishitani, S.Sakanaka, M.Mishina, H.Satoh, T.Goto, T.Kasaya, S.Yamaguchi, H.Murakami, T.Mogi, Y.Yamaya, M.Harada, I.Shiozaki, Y.Honkura, S.Koyama, S.Nakao, Y.Wada, Y.Fujita
- Journal Title
  
  Geophys.Res.Lett. 36
- NAID
  120006582002
- Peer Reviewed
- Data Source
  KAKENHI-PLANNED-21109003
[Journal Article] A joint interpretation of electromagnetic and seismic tomography models suggests the mantle transition zone below Europe is dry2009
- Author(s)
  Utada, H., Koyama, T., Obayashi, M., Fukao, Y.
- Journal Title
  
  Earth Planet. Sci. Lett 281
  
  Pages: 249-257
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16075204
[Journal Article] A joint interpretation of electromagnetic and seismic tomography models suggests the mantle transition zone below Europe is dry2009
- Author(s)
  Utada, H., Koyama, T., Obayashi, M., Fukao, Y.
- Journal Title
  
  Earth Planet. Sci. Lett. 281
  
  Pages: 249-257
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16075204
[Journal Article] Three-dimensional geomagnetic response functions for global and semi-global scale induction problems2009
- Author(s)
  Shimizu, H., T.Koyama, K.Baba, H.Utada
- Journal Title
  
  Geophys.J.Int. 178
  
  Pages: 123-144
- Peer Reviewed
- Data Source
  KAKENHI-PLANNED-21109003
[Journal Article] Three-Dimensional Geomagnetic Response Functions For Global And Semi-Global ScaleInduction Problems2009
- Author(s)
  Shimizu, H., Koyama, T., Baba, K., Utada, H.
- Journal Title
  
  Geophysical J. Int 177(in press)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16075204
[Journal Article] A joint interpretation of electromagnetic and seismic tomography models suggests the mantle transition zone below Europe is dry2009
- Author(s)
  Utada, H., T.Koyama, M.Obayashi, Y.Fukao
- Journal Title
  
  Earth Planet Sci.Lett. 281
  
  Pages: 249-257
- Peer Reviewed
- Data Source
  KAKENHI-PLANNED-21109003
[Journal Article] A geomagnetic total intensity anomaly originated form lightning-induced isothermal remanent magnetization: case of Yatsugatake magnetic observatory, central Japan2007
- Author(s)
  Shimizu, H, Koyama, T., Koyama, S. and Utada
- Journal Title
  
  Earth Planets Space 59
  
  Pages: 141-149
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16075204
[Journal Article] Content in the Mantle Transition Zone Beneath the North Pacific Derived From the Electrical Conductivity Anomaly2006
- Author(s)
  Koyama, T., H. Shimizu, H. Utada, M. Ichiki, E. Ohtani, and R. Hae, Water
- Journal Title
  
  AGU Geophys. Monogr. Ser. 168
  
  Pages: 171-179
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16075204
[Journal Article] Hydrogen diffusivity in wadsleyite and waterdistribution in the mantle transition zone2006
- Author(s)
  Hae, R., E.Ohtani, T.Kubo, T.Koyama, H.Utada
- Journal Title
  
  Earth Planet. Sci. Lett. 155
  
  Pages: 1-15
- Data Source
  KAKENHI-PROJECT-16075204
[Journal Article] Hydrogen diffusivity in wadsleyite and water distribution in the mantle transition zone2006
- Author(s)
  Hae, R., Ohtani, E., Kubo, T., Koyama, T., Utada, H.
- Journal Title
  
  Earth Planet.Sci.Lett. (In press)
- Data Source
  KAKENHI-PROJECT-16075204
[Journal Article] Hydrogen diffusivity in wadsleyite and water distribution in the mantle transition zone2006
- Author(s)
  Hae, R., E.Ohtani, T.Kubo, T.Koyama, H.Utada
- Journal Title
  
  Earth Planet.Sci.Lett. (in press)
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15403006
[Journal Article] Hydrogen diffusivity in wadsleyite and water distribution in the mantle transition zone2006
- Author(s)
  Hae, R., E.Ohtani, T.Kubo, T.Koyama, H.Utada
- Journal Title
  
  Earth Planet.Sci.Lett. (In press)
- Data Source
  KAKENHI-PROJECT-15403006
[Journal Article] Water content in the mantle transition zone beneath the North Pacific derived from the electrical conductivity anomaly2006
- Author(s)
  T.Koyama, H.Shimizu, H.Utada, M.Ichiki, E.Ohtani, R.Hae
- Journal Title
  
  AGU Geophysical Monograph Series 168
  
  Pages: 171-179
- Data Source
  KAKENHI-PROJECT-16740260
[Journal Article] Hydrogen diffusivity in wadsleyite and water distribution in the mantle transition zone2006
- Author(s)
  Hae, R, E.Ohtani, T.Kubo, T.Koyama, H.Utada
- Journal Title
  
  Earth Planet.Sci.Lett. (In press)
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15403006
[Journal Article] Hydrogen diffusivity in wadsleyite and water distribution in the mantle transition zone2006
- Author(s)
  R.Hae, E.Ohtani, T.Kubo, T.Koyama, H.Utada
- Journal Title
  
  Earth and Planetary Science Letters 243
  
  Pages: 141-148
- Data Source
  KAKENHI-PROJECT-16740260
[Journal Article] Water Content in the Mantle Transition Zone Beneath the North Pacific Derived From the Electrical Conductivity Anomaly2006
- Author(s)
  Koyama, T., H.Shimizu, H.Utada, M.Ichiki, E.Ohtani, R.Hae
- Journal Title
  
  AGU Geophys. Monogr. Ser. 168
  
  Pages: 171-179
- Data Source
  KAKENHI-PROJECT-16075204
[Journal Article] 3-D modelling and analysis of Dst C-responses in the North Pacific Ocean region, revisited2005
- Author(s)
  Kuvshinov, A., H.Utada, D.Avdeev, T.Koyama
- Journal Title
  
  Geophys.J.Int. 160
  
  Pages: 505-526
- Data Source
  KAKENHI-PROJECT-15403006
[Journal Article] 3-D modelling and analysis of Dst C -responses in the North Pacific Ocean region, revisited2005
- Author(s)
  Kuvshinov, A., H. Utada, D. Avdeev, and T. Koyama
- Journal Title
  
  Geophys. J. Int. 160
  
  Pages: 505-526
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16075204
[Journal Article] 3-D modelling and analysis of Dst C -responses in the North Pacific Ocean region,revisited2005
- Author(s)
  Kuvshinov.A, H.Utada, D.Avdeev, T.Koyama
- Journal Title
  
  Geophys.J.Int 160
  
  Pages: 505-526
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15403006
[Journal Article] 3-D modelling and analysis of Dst C -responses in the North Pacific Ocean region, revisited2005
- Author(s)
  Kuvshinov, A., H.Utada, D.Avdeev, T.Koyama
- Journal Title
  
  Geophys.J.Int. 160
  
  Pages: 505-526
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15403006
[Journal Article] 3-D modelling and analysis of Dst C-responses in the North Pacific Ocean region, revisited2005
- Author(s)
  Kuvshinov, A., H.Utada, D.Avdeev, T.Koyama
- Journal Title
  
  Geophys.J.Int. 160
  
  Pages: 505-526
- Data Source
  KAKENHI-PROJECT-16075204
[Journal Article] 3-D modelling and analysis of Dst C -responses in the North Pacific Ocean region, revisited2005
- Author(s)
  Kuvshinov, A., H.Utada, D.Avdeev, T.Koyama
- Journal Title
  
  Geophys.J.Int. 160
  
  Pages: 505-526
- Data Source
  KAKENHI-PROJECT-16075204
[Journal Article] 3-D modeling and analysis of Dst C-response in the North Pacific Ocean region, revisited2005
- Author(s)
  A.Kuvshinov, H.Utada, D.Avdeev, T.Koyama
- Journal Title
  
  Geophysical Journal International 160
  
  Pages: 505-526
- Data Source
  KAKENHI-PROJECT-16740260
[Journal Article] Trans-Pacific temperature field in the mantle transition region derived from seismic and electromagnetic tomography2004
- Author(s)
  Fukao, Y., T.Koyama, M.Obayashi, H.Utada
- Journal Title
  
  Earth Planet.Sci.Lett. 217
  
  Pages: 425-434
- Data Source
  KAKENHI-PROJECT-16075204
[Journal Article] Trans-pacific temperature field in the mantle transition region derived from seismic and electromagnetic tomography2004
- Author(s)
  Fukao, Y., T. Koyama, M. Obayashi, and H. Utada
- Journal Title
  
  Earth Planet. Sci. Lett. 217
  
  Pages: 425-534
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16075204
[Journal Article] Trans-Pacific temperature field in the mantle transition region derived from seismic and electromagnetic tomography2004
- Author(s)
  Fukao, Y., T.Koyama, M.Obayashi, H.Utada
- Journal Title
  
  Earth Planet.Sci.Lett 217
  
  Pages: 425-434
- Data Source
  KAKENHI-PROJECT-15403006
[Journal Article] Imaging of the stagnant slab beneath the Philippine Sea by seafloor electromagnetic survey: Preliminary report on the observation phase
- Author(s)
  Baba, K., T. Goto, T. Kasaya, T. Ichikita, N. Tata, T. Koyama, H. Shimizu, M. Uyeshima, & H. Utada
- Journal Title
  
  Conductivity Anomaly研究会論文集
- Data Source
  KAKENHI-PROJECT-16075204
[Presentation] 無人ヘリによる草津白根山空中磁気測量2019
- Author(s)
  小山崇夫・神田径・宇津木充・金子隆之・大湊隆雄・渡邉篤志・辻浩・西本太郎・本多嘉明
- Organizer
  平成30年度Conductivity Anomaly研究会
- Data Source
  KAKENHI-PROJECT-17K20141
[Presentation] 草津白根火山の地磁気変化と地下構造2019
- Author(s)
  神田径・松永康生・小山崇夫
- Organizer
  草津白根山噴火事象検討会
- Data Source
  KAKENHI-PROJECT-17K20141
[Presentation] 無人ヘリによる草津白根山空中磁気測量2019
- Author(s)
  小山崇夫（東大震研）・神田径・宇津木充・金子隆之・大湊隆雄・渡邉篤志・辻浩・本多嘉明
- Organizer
  草津白根山噴火事象検討会
- Data Source
  KAKENHI-PROJECT-17K20141
[Presentation] 草津白根山における空中磁気測量2019
- Author(s)
  小山崇夫・神田径・宇津木充・金子隆之・大湊隆雄・渡邉篤志・辻浩・本多嘉明
- Organizer
  日本火山学会2018年度秋季大会
- Data Source
  KAKENHI-PROJECT-17K20141
[Presentation] 2018年草津白根火山噴火に関する総合調査2018
- Author(s)
  小川康雄・青山裕・山本希・筒井智樹・寺田暁彦・大倉敬宏・神田径・小山崇夫・金子隆之・大湊隆雄・石崎泰男・吉本充宏・石峯康浩・野上健治・森俊哉・木川田喜一・片岡香子・松元高峰・上石勲・山口悟・伊藤陽一・常松佳恵
- Organizer
  第5 5 回自然災害科学総合シンポジウム、京都大学防災研究所自然災害研究協議会
- Invited
- Data Source
  KAKENHI-PROJECT-17K20141
[Presentation] GAIA Sqモデルを用いたマントル電気伝導度構造の推定2018
- Author(s)
  小山崇夫, 村田友香, 藤田茂, 藤井郁子, 馬場聖至, 三好勉信, 藤原均, 陣英克, 品川裕之
- Organizer
  第144回地球電磁気・地球惑星圏学会講演会
- Data Source
  KAKENHI-PROJECT-15K05262
[Presentation] Estimation of electrical conductivity structure of the mantle by using Sq source model of GAIA2018
- Author(s)
  Koyama, T., Y. Murata, S. Fujita, I. Fujii, K. Baba, Y. Miyoshi, H. Fujiwara, H. Jin, and H. Shinagawa
- Organizer
  24th Electromagnetic Induction Workshop
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K05262
[Presentation] Synthetic modeling of global induction by the GAIA Sq source model2017
- Author(s)
  Koyama, T., Y. Murata, S. Fujita, I. Fujii, K. Baba, Y. Miyoshi, H. Fujiwara, H. Jin, H. Shinagawa
- Organizer
  IAPSO-IAMAS-IAGA Joint Assembly 2017
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K05262
[Presentation] GAIA Sqソースモデルによるグローバル電磁誘導計算とマントル電気伝導度構造推定への応用2017
- Author(s)
  小山崇夫, 村田友香, 藤田茂, 藤井郁子, 馬場聖至, 三好勉信, 藤原均, 陣英克, 品川裕之
- Organizer
  第142回地球電磁気・地球惑星圏学会講演会
- Data Source
  KAKENHI-PROJECT-15K05262
[Presentation] 高次モードの外部磁場ソースに対する3次元不均質球体電磁誘導モデリング2016
- Author(s)
  小山崇夫, 清水久芳
- Organizer
  第140回地球電磁気・地球惑星圏学会講演会
- Place of Presentation
  九州大学（福岡県・福岡市）
- Year and Date
  2016-11-19
- Data Source
  KAKENHI-PROJECT-15K05262
[Presentation] Fast and memory saved 3-D forward modeling code by using the contracting integral equation (CIE) method2016
- Author(s)
  T. Koyama
- Organizer
  Magnetotelluric 3D Inversion Workshop III
- Place of Presentation
  Bari, Italy
- Year and Date
  2016-05-16
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K05262
[Presentation] GAIAモデルを利用したSqの再現とその応用2016
- Author(s)
  藤田茂, 藤井郁子, 三好勉信, 陣英克, 小山崇夫, 馬場聖至, 松野哲男
- Organizer
  CA研究会
- Place of Presentation
  東京大学地震研究所（東京都文京区）
- Year and Date
  2016-01-06
- Data Source
  KAKENHI-PROJECT-15K05262
[Presentation] 口永良部島における無人ヘリ観測（序報）2015
- Author(s)
  大湊隆雄・金子隆之・小山崇夫・渡邉篤志・神田　径・為栗　健・風早竜之介
- Organizer
  日本火山学会2015年度秋季大会
- Place of Presentation
  富山大学
- Year and Date
  2015-09-28
- Data Source
  KAKENHI-PROJECT-15H05794
[Presentation] Electrical image of wedge mantle convection beneath northeastern Japan2014
- Author(s)
  Ichiki, M., Ogawa, Y., Kaida, T., Demachi, T., Hirahara, S., Honkura, Y., Ichihara, H., Kanda, W., Kono, T., Koyama, T., Matsushima, M.
- Organizer
  GEOFLUID 3 Nature and Dynamics of Fluids in Subduction Zones
- Place of Presentation
  東京工業大学
- Invited
- Data Source
  KAKENHI-PLANNED-21109003
[Presentation] Resistivity structure around the Aira caldera, SW Japan, inferred from the magnetotelluric measurements2013
- Author(s)
  Kanda, W., Kasaya, T., Yakiwara, H., Ichihara, H., Hashimoto, T., Koyama, T., Utsugi, M., Inoue, H., Sonoda, T., Ogawa, Y.
- Organizer
  IAVCEI 2013 Scientific Assembly
- Place of Presentation
  かごしま県民交流センター(鹿児島県)
- Year and Date
  2013-07-23
- Data Source
  KAKENHI-PROJECT-21310116
[Presentation] 姶良カルデラ周辺の比抵抗構造2013
- Author(s)
  神田径,笠谷貴史,八木原寛,市原寛,橋本武志,小山崇夫,宇津木充,井上寛之,園田忠臣,小川康雄
- Organizer
  日本地球惑星科学連合2013年大会
- Place of Presentation
  幕張メッセ国際会議場(千葉県)
- Year and Date
  2013-05-19
- Data Source
  KAKENHI-PROJECT-21310116
[Presentation] 桜島火山の三次元浅部比抵抗構造2013
- Author(s)
  神田径,小川康雄,高倉伸一,小山崇夫,橋本武志,小森省吾,園田忠臣,佐藤泉,井上直人,宇津木充
- Organizer
  2012年度ConductivityAnomaly研究会
- Place of Presentation
  石岡市中央公民館(茨城県)
- Year and Date
  2013-01-10
- Data Source
  KAKENHI-PROJECT-21310116
[Presentation] 桜島火山における浅部比抵抗構造調査20112012
- Author(s)
  神田径,小川康雄,高倉伸一,小山崇夫,橋本武志,小森省吾,園田忠臣,佐藤泉,井上直人,宇津木充
- Organizer
  日本地球惑星連合2012年大会
- Place of Presentation
  幕張メッセ国際会議場(千葉県)
- Year and Date
  2012-05-24
- Data Source
  KAKENHI-PROJECT-21310116
[Presentation] 桜島火山における浅部比抵抗構造調査20112012
- Author(s)
  神田径・小川康雄・高倉伸一・小山崇夫・橋本武志・小森省吾・園田忠臣・佐藤泉・井上直人・宇津木充
- Organizer
  地球惑星科学連合大会
- Place of Presentation
  幕張メッセ（千葉県千葉市）
- Year and Date
  2012-05-20
- Data Source
  KAKENHI-PLANNED-21109003
[Presentation] 桜島火山の三次元浅部比抵抗構造2012
- Author(s)
  神田径,小川康雄,高倉伸一,小山崇夫,橋本武志,小森省吾,園田忠臣,佐藤泉,井上直人,宇津木充
- Organizer
  日本火山学会2012年秋季大会
- Place of Presentation
  エコールみよた(長野県)
- Data Source
  KAKENHI-PROJECT-21310116
[Presentation] 桜島火山の三次元浅部比抵抗構造2012
- Author(s)
  神田径, 小川康雄, 高倉伸一, 小山崇夫, 橋本武志, 小森省吾, 園田忠臣, 佐藤泉, 井上直人, 宇津木充
- Organizer
  日本火山学会2012年秋季大会
- Place of Presentation
  エコールみよた（長野県）
- Data Source
  KAKENHI-PROJECT-21310116
[Presentation] 2010－2011年霧島新燃岳周辺における比抵抗構造探査2012
- Author(s)
  小山崇夫・上嶋誠・長谷英彰・相澤広記・山谷祐介・渡邉篤志・宮川幸治・前原祐樹・橋本武志・神田径・小川康雄・宇津木充・鍵山恒臣・吉村令慧・山崎健一・小松信太郎
- Organizer
  地球惑星科学連合大会
- Place of Presentation
  幕張メッセ（千葉県千葉市）
- Year and Date
  2012-05-20
- Data Source
  KAKENHI-PLANNED-21109003
[Presentation] MT探査による霧島火山群の3次元比抵抗構造と異常位相のモデリング2012
- Author(s)
  相澤広記, 小山崇夫, 上嶋誠, 長谷英彰,　山谷祐介, 橋本武志, 神田径, 小川康雄,　宇津木充, 吉村令慧, 山崎健一
- Organizer
  日本火山学会
- Place of Presentation
  エコールみよた（長野県御代田町）
- Data Source
  KAKENHI-PLANNED-21109003
[Presentation] 広帯域MT探査による霧島火山群の3次元比抵抗構造と異常位相のモデリング2012
- Author(s)
  相澤広記, 小山崇夫, 上嶋誠, 長谷英彰,　山谷祐介, 橋本武志, 神田径, 小川康雄,　宇津木充, 吉村令慧, 山崎健一
- Organizer
  地球電磁気地球惑星圏学会
- Place of Presentation
  札幌コンベンションセンター（北海道）
- Data Source
  KAKENHI-PLANNED-21109003
[Presentation] MT連続観測による霧島硫黄山北の比抵抗変化2012
- Author(s)
  相澤広記・小山崇夫・長谷英彰・上嶋誠・橋本武志・宇津木充・吉村令慧・神田径・小川康雄
- Organizer
  地球惑星科学連合大会
- Place of Presentation
  幕張メッセ（千葉県千葉市）
- Year and Date
  2012-05-20
- Data Source
  KAKENHI-PLANNED-21109003
[Presentation] 桜島火山の三次元浅部比抵抗構造2012
- Author(s)
  神田径・小川康雄・高倉伸一・小山崇夫・橋本武志・小森省吾・園田忠臣・佐藤泉・井上寛之・宇津木充
- Organizer
  日本火山学会
- Place of Presentation
  エコールみよた（長野県御代田町）
- Data Source
  KAKENHI-PLANNED-21109003
[Presentation] Resistivity structure around the Aira caldera, SW Japan, inferred from the magnetotelluric measurements2011
- Author(s)
  Kanda, W., Kasaya, T., Yakiwara, H., Ichihara, H., Hashimoto, T., Koyama, T., Utsugi, M., Ogawa, Y., Tank, S.B., Kaya, T., Boonchaisuk, S., Hartkorn, O. A.
- Organizer
  IUGG2011 General Assembly
- Place of Presentation
  メルボルン(オーストラリア)
- Year and Date
  2011-07-03
- Data Source
  KAKENHI-PROJECT-21310116
[Presentation] 姶良カルデラおよび周辺における電磁気構造調査(3)2011
- Author(s)
  神田径,笠谷貴史,八木原寛,市原寛,橋本武志,小山崇夫,宇津木充,井上寛之,園田忠臣,小川康雄,タンクブレント,カヤチュライ,ボーンチャイスクソングフン,ハートコルンオリバー
- Organizer
  日本地球惑星科学連合2011年大会
- Place of Presentation
  幕張メッセ国際会議場(千葉市)
- Year and Date
  2011-05-23
- Data Source
  KAKENHI-PROJECT-21310116
[Presentation] A magnetotelluric exploration to reveal three-dimensional electrical conductivity distribution of the upper mantle beneath Tohoku district, North eastern Japan2011
- Author(s)
  M.Ichiki, Y.Ogawa, S.Boonchaisuk, T.Demachi, H.Fukino, S.Hirahara, T.Kaida, W.Kanda, T.Kono, T.Koyama, M.Matsushima, T.Nakayama, S.Suzuki, H.Toh, M.Uyeshima
- Organizer
  AGU fall meeting
- Place of Presentation
  San Francisco
- Year and Date
  2011-12-09
- Data Source
  KAKENHI-PLANNED-21109003
[Presentation] 姶良カルデラおよび周辺における電磁気構造調査(序報)2010
- Author(s)
  神田径・小川康雄・笠谷貴史・市原寛・八木原寛・橋本武志・小山崇夫・Bulent Tank・Tulay Kaya・宇津木充・井上寛之・園田忠臣
- Organizer
  CA研究会
- Place of Presentation
  東大地震研
- Year and Date
  2010-02-16
- Data Source
  KAKENHI-PLANNED-21109003
[Presentation] 姶良カルデラおよび周辺における電磁気構造調査(序報)2010
- Author(s)
  神田径,笠谷貴史,八木原寛,市原寛,橋本武志,小山崇夫,宇津木充,井上寛之,園田忠臣,タンクブレント,カヤチュライ,小川康雄
- Organizer
  日本地球惑星科学連合2010年大会
- Place of Presentation
  幕張メッセ国際会議場(千葉県)
- Year and Date
  2010-05-25
- Data Source
  KAKENHI-PROJECT-21310116
[Presentation] 姶良カルデラおよび周辺における電磁気構造調査(2)2010
- Author(s)
  神田径,笠谷貴史,八木原寛,市原寛,橋本武志,小山崇夫,宇津木充,井上寛之,園田忠臣,タンクブレント,カヤチュライ,小川康雄
- Organizer
  日本火山学会2010年秋季大会
- Place of Presentation
  京都大学(京都府)
- Year and Date
  2010-10-09
- Data Source
  KAKENHI-PROJECT-21310116
[Presentation] 姶良カルデラおよび周辺における電磁気構造調査(序報)2010
- Author(s)
  神田径,小川康雄,笠谷貴史,市原寛,八木原寛,橋本武志,小山崇夫,BulentTank,TulayKaya,宇津木充,井上寛之
- Organizer
  2009年度ConductivityAnomaly研究会
- Place of Presentation
  東京大学地震研究所(東京都)
- Year and Date
  2010-02-16
- Data Source
  KAKENHI-PROJECT-21310116
[Presentation] 九州中部比抵抗構造の再解析(2)2009
- Author(s)
  小山崇夫, 宗包浩志, 鍵山恒臣, 歌田久司
- Organizer
  地球惑星科学連合2009年大会V227-P004
- Place of Presentation
  千葉市
- Data Source
  KAKENHI-PROJECT-19310116
[Presentation] Possibility of three-dimensional MT inversion by using MT phase tensor data2009
- Author(s)
  Takao Koyama
- Organizer
  IAGA2009年総会
- Place of Presentation
  ハンガリー・ショプロン市
- Year and Date
  2009-08-25
- Data Source
  KAKENHI-PROJECT-19740271
[Presentation] A reference 1-D model of electrical conductivity for the upper mantle beneath the Philippine Sea2009
- Author(s)
  Baba, K., H. Utada, H. Shimizu, T. Goto, T. Kasaya, N. Tada, T. Koyama, and M. Uyeshima
- Organizer
  Stagnant Slab Project International Symposium
- Place of Presentation
  京都
- Year and Date
  2009-02-26
- Data Source
  KAKENHI-PROJECT-16075204
[Presentation] Is the mantle transition zone globally dry? : Observational evidence from electrical conductivity2008
- Author(s)
  H. Utada, H. Shimizu, K. Baba, T. Koyama
- Organizer
  AGU 2008 fall meeting
- Place of Presentation
  サンフランシスコ
- Year and Date
  2008-12-13
- Data Source
  KAKENHI-PROJECT-16075204
[Presentation] 九州中部比抵抗構造の再解析2008
- Author(s)
  小山崇夫, 宗包浩志, 鍵山恒臣, 歌田久司
- Organizer
  地球惑星科学連合2008年大会
- Place of Presentation
  千葉市
- Year and Date
  2008-05-25
- Data Source
  KAKENHI-PROJECT-19310116
[Presentation] On one-dimensional mantle conductivity modeling of 3-dimensional Earth2008
- Author(s)
  H. Utada, H. Shimizu, K. Baba, T. Koyama
- Organizer
  AGU 2008 Fall Meeting
- Place of Presentation
  San Francisco
- Year and Date
  2008-12-15
- Data Source
  KAKENHI-PROJECT-16075204
[Presentation] 九州中部比抵抗構造の再解析2008
- Author(s)
  小山崇夫・宗包浩志・鍵山恒臣・歌田久司
- Organizer
  地球惑星科学連合2008年大会V231-P002
- Place of Presentation
  千葉市
- Year and Date
  2008-05-25
- Data Source
  KAKENHI-PROJECT-19310116
[Presentation] Three-dimensional geomagnetic response functions for global and semi-global scale induction problems2008
- Author(s)
  Shimizu H., Koyama T., Baba K., Utada H.
- Organizer
  International Workshop on EM induction
- Place of Presentation
  Beijing
- Year and Date
  2008-10-24
- Data Source
  KAKENHI-PROJECT-16075204
[Presentation] Three dimensional geomagnetic response functions for global and semi-global scale induction problems2008
- Author(s)
  H. Shimizu, T. Koyama, K. Baba, H. Utada
- Organizer
  日本地球惑星科学連合2008年大会
- Year and Date
  2008-05-27
- Data Source
  KAKENHI-PROJECT-16075204
[Presentation] Three dimensional geomagnetic response functions for global and semi-global scale induction problems2008
- Author(s)
  Hisayoshi Shimizu, Takao Koyama, Kiyoshi Baba, Hisashi Utada
- Organizer
  日本地球惑星科学連合2008年大会
- Place of Presentation
  幕張メッセ国際会議場
- Year and Date
  2008-05-27
- Data Source
  KAKENHI-PROJECT-16075204
[Presentation] Fast and memory-saved 3-D forward modeling code for MT by using integral equation method2008
- Author(s)
  Koyama, T., H. Utada, and D . B. Avdeev
- Organizer
  The 19th International Workshop on EM Induction in the Earth
- Place of Presentation
  中国・北京
- Year and Date
  2008-10-24
- Data Source
  KAKENHI-PROJECT-19740271
[Presentation] Three-dimensional geomagnetic response functions for global and semi-global scale induction problems2008
- Author(s)
  SHIMIZU H., KOYAMA T., BABA K.. UTADA H.
- Organizer
  International Workshop on EM induction
- Place of Presentation
  北京
- Year and Date
  2008-10-24
- Data Source
  KAKENHI-PROJECT-16075204
[Presentation] On one-dimensional mantle conductivity modeling of 3-dimensional Earth2008
- Author(s)
  H. Utada, H. Shimizu, K. Baba, T. Koyama
- Organizer
  AGU 2008 fall meeting
- Place of Presentation
  サンフランシスコ
- Year and Date
  2008-12-15
- Data Source
  KAKENHI-PROJECT-16075204
[Presentation] スタグナントスラブ計画により得られた海底電磁気データの解析2008
- Author(s)
  馬揚聖至, 後藤忠徳, 笠谷貴史, 一北岳夫, 小山崇夫, 清水久芳, 多田訓子, 上嶋誠, 歌田久司
- Organizer
  2008年地球惑星科学連合大会
- Place of Presentation
  幕張メッセ国際会議場
- Year and Date
  2008-05-27
- Data Source
  KAKENHI-PROJECT-16075204
[Presentation] Revised electrical conductivity structure of the upper and mid-mantle in the North Pacific region2008
- Author(s)
  Hisayoshi Shimizu, Takao Koyama, Kiyoshi Baba, and Hisashi Utada
- Organizer
  地球電磁気・地球惑星圏学会
- Place of Presentation
  仙台
- Year and Date
  2008-10-09
- Data Source
  KAKENHI-PROJECT-16075204
[Presentation] Challenge to image the stagnant slab beneath the Philippine Sea by seafloor electromagnetic survey2007
- Author(s)
  Utada, H., K. Baba, T. Goto, T. Kasaya, T. Ichikita, N. Tada, H. Shimizu, T. Koyama, & M. Uyeshima
- Organizer
  AGU 2007 fall meeting
- Year and Date
  2007-12-12
- Data Source
  KAKENHI-PROJECT-16075204
[Presentation] Three-dimensional inversion of resistivity structure for CSEM method and its application to the ACTIVE system in Izu-Oshima Island, Japan2007
- Author(s)
  小山崇夫
- Organizer
  IUGG 2007
- Place of Presentation
  イタリア・ペルージャ大学
- Year and Date
  2007-07-09
- Data Source
  KAKENHI-PROJECT-19740271
[Presentation] Sensitivity of geomagnetic transfer functions to stangant-slab-type electrical conductivity heterogeneity2007
- Author(s)
  Hisayoshi Shimizu, Yuta Baba, Takao Koyama, Kiyoshi Baba, Hisashi Utada
- Organizer
  International Union of Geodesy and Geophysics
- Place of Presentation
  Perugia, Italy
- Year and Date
  2007-07-06
- Data Source
  KAKENHI-PROJECT-16075204
[Presentation] 海底電磁気機動観測によるスタグナントスラブイメージングへの挑戦2007
- Author(s)
  馬場聖至, 後藤忠徳, 笠谷貴史, 一北岳夫, 小山崇夫, 清水久芳, 多田訓子, 上嶋誠, 歌田久司
- Organizer
  第122回地球電磁気・地球惑星圏学会講演会
- Place of Presentation
  名古屋
- Year and Date
  2007-09-30
- Data Source
  KAKENHI-PROJECT-16075204
[Presentation] Challenge to image deep mantle slab by seafloor electromagnetic survey2007
- Author(s)
  Baba, K., T. Goto, T. Kasaya, T. Ichikita, T. Koyama, H. Shimizu, M. Uyeshima, & H. Utada
- Organizer
  IUGG 2007
- Place of Presentation
  イタリア・ペルージャ
- Year and Date
  2007-07-06
- Data Source
  KAKENHI-PROJECT-16075204
[Presentation] 海底電磁気機動観測によりスタグナントスラブを診る-第一次観測の成果-2007
- Author(s)
  馬場聖至, 後藤忠徳, 笠谷貴史, 一北岳夫, 小山崇夫, 清水久芳, 多田訓子, 上嶋誠, 歌田久司
- Organizer
  特定領域研究「地球深部スラブ」第3回研究シンポジウム
- Year and Date
  2007-11-03
- Data Source
  KAKENHI-PROJECT-16075204
[Presentation] Challenge to image deep mantle slab by seafloor electromagnetic survey2007
- Author(s)
  Baba, K., T. Goto, T. Kasaya, T. Ichikita, T. Koyama, H. Shimizu, M. Uyeshima, & H. Utada
- Organizer
  IUGG XXIV General Assembly
- Place of Presentation
  Perugia, Italy
- Year and Date
  2007-07-06
- Data Source
  KAKENHI-PROJECT-16075204
[Presentation] 八ケ岳地磁気観測所内磁気異常の時間変化:雷誘導磁化の影響2007
- Author(s)
  清水久芳、小山崇夫、小山茂、歌田久司
- Organizer
  2007年地球惑星科学連合大会
- Place of Presentation
  幕張
- Year and Date
  2007-05-21
- Data Source
  KAKENHI-PROJECT-16075204
[Presentation] Revised reference structure of the electrical conductivity of the upper and mid-mantle in the North Pacific region2007
- Author(s)
  Hisayoshi Shimizu, Yuta Bata, Takao Koyama, Kiyoshi Baba, and Hisashi Utada
- Organizer
  地球電磁気・地球惑星圏学会第122回講演会
- Place of Presentation
  名古屋大学
- Year and Date
  2007-09-29
- Data Source
  KAKENHI-PROJECT-16075204
[Presentation] 海底電磁気観測でスタグナントスラブを診る:第1次観測データによるMT/GDSレスポンスと第2次観測速報2007
- Author(s)
  馬場聖至, 後藤忠徳, 笠谷貴史, 一北岳夫, 多田訓子, 小山崇夫, 清水久芳, 上嶋誠, 歌田久司
- Organizer
  Conductivity Anomaly研究集会
- Place of Presentation
  東京
- Year and Date
  2007-12-17
- Data Source
  KAKENHI-PROJECT-16075204
[Presentation] First results of Network-MT survey in Central Japan2006
- Author(s)
  Uyeshima, M., T. Ogawa, S. Koyama, S. Yamaguchi, H. Toh, H. Murakami, R. Yoshimura, N. Oshiman, T. Kasaya, T. Tanbo, & W. Siripunvaraporn
- Organizer
  The 18th IAGA Workshop on Electromagnetic Induction in the Earth
- Place of Presentation
  ElVendrell, Spain
- Year and Date
  2006-09-23
- Data Source
  KAKENHI-PROJECT-16075204
[Presentation] Electrical conductivity in the mantle transition zone beneath the northwestern Pacific : Implication for the presence of water, International Session2006
- Author(s)
  H. Utada, T. Goto, T. Koyama, H. Shimizu, K. Baba
- Organizer
  日本地球惑星科学連合2006年大会
- Year and Date
  2006-05-15
- Data Source
  KAKENHI-PROJECT-16075204
[Presentation] Water contents in the mantle transition zone beneath the north Pacific derived from the electrical conductivity anomaly2005
- Author(s)
  Koyama, T., H. Shimizu, H. Utada, E. Ohtani & R. Hae
- Organizer
  IAGA Scientific Assembly
- Place of Presentation
  Toulouse, France
- Year and Date
  2005-07-20
- Data Source
  KAKENHI-PROJECT-16075204
[Presentation] Three-dimensional electrical conductivity structure in the mid-mantle beneath Europe estimated by GDS methods2005
- Author(s)
  Koyama, T., H. Shimizu & H. Utada
- Organizer
  IAGA Scientific Assembly
- Place of Presentation
  Toulouse, France
- Year and Date
  2005-07-20
- Data Source
  KAKENHI-PROJECT-16075204
[Presentation] Electrical Conductivity In The Mantle Transition Zone Beneath The Northwestern Part of The Pacific And Its Implication For The Presence Of Water2005
- Author(s)
  H. Utada, T. Goto, T. Koyama, H. Shimizu, M Obayashi, Y. Fukao
- Organizer
  AGU 2005 Fall Meeting
- Place of Presentation
  San Francisco
- Year and Date
  2005-12-08
- Data Source
  KAKENHI-PROJECT-16075204
[Presentation] Water contents in the mantle transition zone beneath the north Pacific derived from the electrical conductivity anomaly2004
- Author(s)
  Koyama, T., H. Shimizu, H. Utada, E. Ohtani & R. Hae
- Organizer
  American Geophysical Union Fall Meeting
- Place of Presentation
  San Francisco, USA
- Year and Date
  2004-12-15
- Data Source
  KAKENHI-PROJECT-16075204
[Presentation] Resistivity structure around the Aira caldera, SW Japan, inferred from the magnetotelluric mesurements
- Author(s)
  Kanda, W., Kasaya, T., Yakiwara, H., Ichihara, H., Hashimoto, T., Koyama, T., Utsugi, M., Ogawa, Y., Tank, S.B., Kaya, T., Boonchaisuk, S., Hartkorn, O.A.
- Organizer
  IUGG 2011 General Assembly
- Place of Presentation
  メルボルン（オーストラリア）
- Data Source
  KAKENHI-PROJECT-21310116
[Presentation] Possibility of three-dimensional MT inversion by using MT phase tensor data
- Author(s)
  Takao Koyama
- Organizer
  IAGA2009総会
- Data Source
  KAKENHI-PROJECT-19740271
[Presentation] Hidefumi Watanabe and Tsuneomi Kagiyama., Three-dimensional inversion of resistivity structure for CSEM method and its application to the ACTIVE system in Izu-Oshima Island
- Author(s)
  Takao Koyama, Yuji Takahashi, Hisashi Utada, Yuichi Morita
- Organizer
  IUGG2007総会
- Place of Presentation
  Japan
- Data Source
  KAKENHI-PROJECT-19740271
[Presentation] 桜島火山の三次元浅部比抵抗構造
- Author(s)
  神田径, 小川康雄, 高倉伸一, 小山崇夫, 橋本武志, 小森省吾, 園田忠臣, 佐藤泉, 井上直人, 宇津木充
- Organizer
  Conductivity Anomaly 2012年研究会
- Place of Presentation
  石岡市中央公民館（茨城県）
- Data Source
  KAKENHI-PROJECT-21310116
[Presentation] 桜島火山における浅部比抵抗構造調査2011
- Author(s)
  神田径, 小川康雄, 高倉伸一, 小山崇夫, 橋本武志, 小森省吾, 園田忠臣, 佐藤泉, 井上直人, 宇津木充
- Organizer
  日本地球惑星連合2012年大会
- Place of Presentation
  幕張メッセ国際会議場（千葉県）
- Data Source
  KAKENHI-PROJECT-21310116
[Presentation] Resistivity structure around the Aira caldera, SW Japan, inferred from the magnetotelluric measurements
- Author(s)
  Kanda, W., Kasaya, T., Yakiwara, H., Ichihara, H., Hashimoto, T., Koyama, T., Utsugi, M., Inoue, H., Sonoda, T., Ogawa, Y.
- Organizer
  IAVCEI 2013 Scientific Assembly
- Place of Presentation
  かごしま県民交流センター（鹿児島県）
- Data Source
  KAKENHI-PROJECT-21310116
[Presentation] 姶良カルデラ周辺の比抵抗構造
- Author(s)
  神田径, 笠谷貴史, 八木原寛, 市原寛, 橋本武志, 小山崇夫, 宇津木充, 井上寛之, 園田忠臣, 小川康雄
- Organizer
  日本地球惑星科学連合2013年大会
- Place of Presentation
  幕張メッセ国際会議場（千葉県）
- Data Source
  KAKENHI-PROJECT-21310116
[Presentation] Fast and memory-saved 3-D forward modeling code for MT by using integral equation method
- Author(s)
  Takao Koyama, Hisashi Utada, Dmitry B. Avdeev
- Organizer
  Induction Workshop 2008
- Data Source
  KAKENHI-PROJECT-19740271
[Presentation] 姶良カルデラおよび周辺における電磁気構造調査 (3)
- Author(s)
  神田径, 笠谷貴史, 八木原寛, 市原寛, 橋本武志, 小山崇夫, 宇津木充, 井上寛之, 園田忠臣, 小川康雄, タンクブレント, カヤチュライ, ボーンチャイスクソングフン, ハートコルンオリバー
- Organizer
  日本地球惑星科学連合2011年大会
- Place of Presentation
  幕張メッセ国際会議場（千葉県）
- Data Source
  KAKENHI-PROJECT-21310116

1. KANDA Wataru (00301755)

# of Collaborated Projects: 5 results

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# of Collaborated Products: 2 results
69. Tsunematsu Mae

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
70. GRESSE MARCEAU

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
71. Aizawa Koki

# of Collaborated Projects: 0 results

# of Collaborated Products: 3 results
72. MATSUSHIMA Shinichi

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
73. WANG Gonghui

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
74. 吉村令慧

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
75. 松島健

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

Koyama Takao 小山 崇夫

KOYAMA Takao 小山 崇夫

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電離層数値モデルと陸上・海底磁場データを組込んだマントル遷移層描像手法の新展開Principal InvestigatorOngoing

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地球物理・地球化学的複合アプローチによる火山噴火準備過程の解明Host ResearcherOngoing

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New method for analyzing three-dimensional electrical conductivity structurePrincipal Investigator

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電磁気トモグラフィー法による3次元全地球マントル構造モニタリングPrincipal Investigator

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[Journal Article] 無人ヘリによる草津白根山空中磁気測量2019

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[Journal Article] 2018年草津白根火山噴火に関する総合調査2018

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[Journal Article] Three-dimensional resistivity structure of asama volcano revealed by data-space magnetotelluric inversion using unstructured tetrahedral elements2017

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Koyama Takao 小山崇夫

KOYAMA Takao 小山崇夫