Ishikawa Yoichi 石川洋一

… Alternative Names

石川洋一イシカワヨウイチ

ISHIKAWA Youichi 石川洋一

ISHIKAWA Yoichi 石川洋一

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Researcher Number	70335298
External Links
Affiliation (Current)	2025: 国立研究開発法人海洋研究開発機構, 付加価値情報創生部門(地球情報科学技術センター), 部門長代理
Affiliation (based on the past Project Information) *help	2020: 国立研究開発法人海洋研究開発機構, 付加価値情報創生部門(情報エンジニアリングプログラム), プログラム長 2017 – 2019: 国立研究開発法人海洋研究開発機構, 地球情報基盤センター, グループリーダー 2007 – 2010: 京都大学, 理学研究科, 助教 2007 – 2009: Kyoto University, 大学院・理学研究科, 助教 2006: 京都大学, 理学研究科, 助手 2001 – 2004: Kyoto Univ. Dept.of Geophysics research associate, 大学院・理学研究科, 助手
Review Section/Research Field	Principal Investigator Meteorology/Physical oceanography/Hydrology / Science and Engineering / Meteorology/Physical oceanography/Hydrology Except Principal Investigator Meteorology/Physical oceanography/Hydrology / Meteorology/Physical oceanography/Hydrology
Keywords	Principal Investigator データ同化 / 海洋科学 / 大気海洋結合モデル / 海洋大循環モデル / 粒子フィルター / カルマンフィルター / 境界層モデル / 生態系モデル / 大規模数値計算 / 非線形問題 … More / アンサンブル法 / 4次元変分法 / 海洋物理 / 表層循環 / 海洋生態系 / 数値モデル / 統合データセット / 海洋生態系モデル / 評価関数 / 海氷モデル / バルク法 / 大気海洋相互作用 / アジョイントモデル / adjoint法 / フラックスカップラ … More Except Principal Investigator 予測 / 4次元熱配分 / 海洋データ同化 / データ同化 / 海洋物理・陸水学 / 形状抵抗 / 海況予報モデル / 対馬暖流 / 乱流混合 / 非構造格子モデル / 熱輸送 / 海峡通過流 / ADCP / HFレーダー / Variability and predictability / State estimation / Heat and water mass transports / 4-dimensional variational ocean data assimilation / 変動と予測可能性 / 状態推定 / 熱・水輸送 / 四次元変分法海洋データ同化 / data assimilation / heat transport / forecast / Kuroshio / アジョイント法 / 4次元全球海洋大循環同化モデル / 黒潮 / 4次元熱分配 / 黒潮変動 / 短周期熱・水結合フィードバック / 積雲対流 / 海洋混合層 / 西風バースト / 短周期熱・水混合フィードバック / 大気海洋相互作用 / 大気海洋フィードバック / エルニーニョ Less

Synthesis and anatomy of the strait dynamics
- Principal Investigator
  
  HIROSE NAOKI
- Project Period (FY)
  2016 – 2020
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Meteorology/Physical oceanography/Hydrology
- Research Institution
  Kyushu University
日周期大気海洋熱・水交換を介した海洋混合層・積雲フィードバックの数値的研究
- Principal Investigator
  
  淡路敏之
- Project Period (FY)
  2009 – 2010
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Meteorology/Physical oceanography/Hydrology
- Research Institution
  Kyoto University
データ同化による海洋表層循環変動のモニタリングと化学・生物過程とのカップリングPrincipal Investigator
- Principal Investigator
  
  石川洋一
- Project Period (FY)
  2007 – 2008
- Research Category
  
  Grant-in-Aid for Scientific Research on Priority Areas
- Review Section
  
  Science and Engineering
- Research Institution
  Kyoto University
Development of new 4-dimnesional variational data assimilation technique using Monte-Carlo method.Principal Investigator
- Principal Investigator
  
  ISHIKAWA Yoichi
- Project Period (FY)
  2007 – 2009
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Meteorology/Physical oceanography/Hydrology
- Research Institution
  Kyoto University
Elucidation for irregularity of El Nino events by using an innovative multi-connected inversion approach with the 4-dimensional variational atmosphere-ocean data assimilation system
- Principal Investigator
  
  AWAJI Toshiyuki
- Project Period (FY)
  2006 – 2008
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Meteorology/Physical oceanography/Hydrology
- Research Institution
  Kyoto University
海洋大循環データ同化システムを用いた大気海洋カップラの開発研究Principal Investigator
- Principal Investigator
  
  石川洋一
- Project Period (FY)
  2002 – 2004
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Meteorology/Physical oceanography/Hydrology
- Research Institution
  Kyoto University
Improved estimates of heat and water mass transports in the Pacific Ocean by a long-term data assimilation experiment using a 4-dimensional variational approach
- Principal Investigator
  
  AWAJI Toshiyuki
- Project Period (FY)
  2002 – 2004
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Meteorology/Physical oceanography/Hydrology
- Research Institution
  KYOTO UNIVERSITY
Analysis of heat transport driven by the Kuroshio and short-range forecast of the Kuroshio variabilities using data assimilation methods
- Principal Investigator
  
  AWAJI Toshiyuki
- Project Period (FY)
  1999 – 2001
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Meteorology/Physical oceanography/Hydrology
- Research Institution
  KYOTO UNIVERSITY

All 2018 2017 2016 2010 2009 2008 2007 2006 2005 2004 2003

All Journal Article Presentation Book

[Book] データ同化観測・実験とモデルを融合するイノベーション2009
- Author(s)
  淡路敏之、蒲地政文、池田元美、石川洋一
- Total Pages
  284
- Publisher
  京都大学出版会
- Data Source
  KAKENHI-PROJECT-19740292
[Book] データ同化観測・実験とモデルを融合するイノベーション2009
- Author(s)
  淡路敏之, 蒲地政文, 池田元美, 石川洋一
- Total Pages
  284
- Publisher
  京都大学出版会
- Data Source
  KAKENHI-PROJECT-19740292
[Book] データ同化観測・実験とモデルを融合するイノベーション2009
- Author(s)
  淡路敏之・五十嵐弘道・石川洋一・一井太郎・杉浦望実・豊田隆寛・増田周平, 他
- Total Pages
  284
- Publisher
  京都大学学術出版会
- Data Source
  KAKENHI-PROJECT-21340137
[Journal Article] 日本の海洋データ同化研究 ─20年間の功績と今後の展望─2017
- Author(s)
  藤井陽介, 蒲地政文, 広瀬直毅, 望月崇, 瀬藤聡, 美山透, 広瀬成章, 長船哲史, 韓　修妍, 五十嵐弘道, 宮澤泰正, 豊田隆寛, 干場康博, 増田周平, 石川洋一, 碓氷典久, 黒田寛, 高山　勝巳
- Journal Title
  
  海の研究
  
  Volume: 26 Pages: 15-43
- NAID
  130007485454
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16H02226
[Journal Article] Four-dimensional variational ocean reanalysis: a 30-year high-resolution dataset in the western North Pacific (FORA-WNP30)2017
- Author(s)
  Usui, N., T. Wakamatsu,Y. Tanaka, N. Hirose, T. Toyoda, S. Nishikawa, Y. Fujii, Y. Takatsuki, H. Igarashi, H. Nishikawa, Y. Ishikawa, T. Kuragano, M. Kamachi
- Journal Title
  
  Journal of Oceanography
  
  Volume: 73 Issue: 2 Pages: 205-233
- DOI
  10.1007/s10872-016-0398-5
- NAID
  40021131632
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-26400472, KAKENHI-PROJECT-16K17805, KAKENHI-PROJECT-16H01844, KAKENHI-PROJECT-16H02226
[Journal Article] Specifying Air-Sea Exchange Coefficients in the High-Wind Regime of a Mature Tropical Cyclone by an Adjoint Data Assimilation Method.2010
- Author(s)
  Ito, K., Y. Ishikawa, T. Awaji
- Journal Title
  
  SOLA Vol.6
  
  Pages: 13-16
- NAID
  130004940909
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19740292
[Journal Article] Interannual variability of North Pacific eastern subtropical mode water in 1990s' derived from a 4DVAR ocean data assimilation experiment2010
- Author(s)
  Toyoda, T., T.Awaji, S.Masuda, Y.Ishikawa
- Journal Title
  
  Deep Sea Res.
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21340137
[Journal Article] Specifying Air-Sea Exchange Coefficients in the High-Wind Regime of a Mature Tropical Cyclone by an Adjoint Data Assimilation Method.2010
- Author(s)
  Ito, K., Y.Ishikawa, T.Awaji
- Journal Title
  
  SOLA 6
  
  Pages: 13-16
- NAID
  130004940909
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19740292
[Journal Article] Interannual variability of North Pacitic eastern subtropical mode water formation in 1990s' derived from a 4-dimensional variational ocean data assimilation experiment2010
- Author(s)
  Toyoda, T., T.Awaji, S.Masuda, N.Sugiura, H.Igarashi, T.Mochizuki, Y.Ishikawa
- Journal Title
  
  Dynamics of Atmospheres and Oceans
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21340137
[Journal Article] The role of westerly wind bursts in the ENSO recharge paradigm.2009
- Author(s)
  Masuda, S., Y. Shikama, T. Awaji, Y. Ishikawa, T. Toyoda
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19740292
[Journal Article] Applications in Coastal Modeling and Forecasting.2009
- Author(s)
  De Mey., P., P. Craig, F. Davidson, C.A. Edwards, Y. Ishikawa, J.C. Kindle, R. Proctor, K.R. Thompson, J. Zhu.
- Journal Title
  
  Oceanography
  
  Pages: 198-205
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19740292
[Journal Article] High-resolution synthetic monitoring by a 4-dimensional variational data assimilation system in the northwestern North Pacific.2009
- Author(s)
  Ishikawa, Y., T. Awaji, T. Toyoda, T. In, K. Nishina, T. Nakayama, S. Shima, S. Masuda
- Journal Title
  
  J. Marine System
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19740292
[Journal Article] Temporalevolution of the equatorial thermoclineassociated with the 1991-2006 ENSO2009
- Author(s)
  Masuda, S., T. Awaji, T. Toyoda Y.Shikama, and Y. Ishikawa
- Journal Title
  
  J. Geophys.Res.114 C03015
- Data Source
  KAKENHI-PROJECT-18340139
[Journal Article] Applications in Coastal Modeling and Forecasting.2009
- Author(s)
  De Mey., P., P.Craig, F.Davidson, C.A.Edwards, Y.Ishikawa, J.C.Kindle, R.Proctor, K.R.Thompson, J.Zhu
- Journal Title
  
  Oceanography 22
  
  Pages: 198-205
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19740292
[Journal Article] High-resolution synthetic monitoring by a 4-dimensional variational data assimilation system in the northwestern North Pacific2009
- Author(s)
  Ishikawa, Y., T. Awaji, T. Toyoda, T. InK. Nishina, T. Nakayama and S. Shima
- Journal Title
  
  Journal of Marine System (in press)
- Data Source
  KAKENHI-PROJECT-18340139
[Journal Article] A possible role for unstable coupled waves affected by resonance between Kelvin waves and seasonal warming in the development of the strong 1997-1998 El Nine2009
- Author(s)
  Takahiro Toyoda, Shuhei Masudsa, Nozomi Sugiura, Takashi Mochizuki, Hiroimchi Igarashi, Masafumi Kamachi, Yoichi Ishikawa, Toshiyuki Awaji
- Journal Title
  
  Deep-Sea Research I 56
  
  Pages: 495-512
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21340137
[Journal Article] High-resolution synthetic monitoring by a 4-dimensional variational data assimilation system in the northwestern North Pacific2009
- Author(s)
  Ishikawa, Y. , T. Awaji, T. Toyoda, T. In, K. Nishina, T. Nakayama, S. Shima, S. Masuda
- Journal Title
  
  J. Marine System
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19030009
[Journal Article] The role of westerly wind bursts in the ENSO recharge paradigm2009
- Author(s)
  Masuda, S. , Y. Shikama, T. Awaji, Y. Ishikawa, and T. Toyoda
- Journal Title
  
  J. Geophys. Res 114
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19030009
[Journal Article] interannuai variability of North Paclfic eastern subtropical mode water in the 1990s derived from a 4-dimensional variational ocean data assimilation Rynprimnnt.2009
- Author(s)
  Toyoda, T., T. Awaji, S. Masuda, N. Sugiura, H. Igarashi, T. Mochizuki, Y. Ishikawa
- Journal Title
  
  J. Geophys. Res. accepted
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18340139
[Journal Article] The role of westerly wind bursts in the ENSO recharge paradigm2009
- Author(s)
  Masuda, S., Y. Shikama, T. Awaji, Y. Ishikawa. and T. Toyoda
- Journal Title
  
  J. Geophys. Res. 114
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19740292
[Journal Article] A possible rolefor unstable coupled waves affected byresonance between Kelvin waves andseasonal warming in the development ofthe strong 1997-1998 El Nino2009
- Author(s)
  Toyoda, T., S. Masuda, N. Sugiura, T.Mochizuki, H. Igarashi, M. Kamachi, Y.Ishikawa, and T. Awaji
- Journal Title
  
  Deep-Sea Res. 1, 56
  
  Pages: 495-512
- Data Source
  KAKENHI-PROJECT-18340139
[Journal Article] High-resolution synthetic monitoring by-a 4-dimensional variational data assimilation system in the northwestern North Pacific2009
- Author(s)
  Ishikawa, Y., T. Awaji, T. Toyoda, T. In, K. Nishina, T. Nakayama, S. Shima, S. Masuda
- Journal Title
  
  J. Marine System
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19740292
[Journal Article] Temporal evolution of the equatorial thermocline associated with the 1991-2006 ENSO.2008
- Author(s)
  Masuda, S., T. Awaji, T. Toyoda, Y. Shikama, Y. Ishikawa
- Journal Title
  
  J. Geophy. Res. 114
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18340139
[Journal Article] High-resolution synthetic monitoring by a 4-dimensional variational data assimilation system in the northwestern North Pacific2008
- Author(s)
  Ishikawa, Y., T. Awaji, T. Toyoda, T. In, K. Nishina, T. Nakayama, and S. Shima
- Journal Title
  
  Journal of Marine System (印刷中)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18340139
[Journal Article] High-resolution synthetic monitoring by a 4-dimensional variational data assimilation system in the northwestern North Pacific2008
- Author(s)
  Ishikawa, 〓., 〓. Awaji, 〓. Toyoda, T. In, K. Nishina, T. Nakayama, and 〓
- Journal Title
  
  J. Marine. Sys. 71(印刷中)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19030009
[Journal Article] Developmentof a four-dimensional variationalcoupled data assimilation system forenhanced analysis and prediction ofseasonal to interannual variations.2008
- Author(s)
  Sugiura N., T. Awaji, S. Masuda, T.Mochizuki, T. Toyoda, T. Miyama, H. Igarashi and Y. Ishikawa
- Journal Title
  
  J.Geophys Res. 113, C10017
- Data Source
  KAKENHI-PROJECT-18340139
[Journal Article] High-resolution synthetic monitoring by a 4-dimensional variational data assimilation system in the northwestern North Pacific2008
- Author(s)
  Ishikawa, Y., T. Awaji, T. Toyoda, T. In, K. Nishina, T. Nakayama, and S. Shima
- Journal Title
  
  J. Marine. Sys. 71(印刷中)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19740292
[Journal Article] Development of a four-dimensionai variationai coupled data assimilation system for enhanced analysis and prediction of seasonal to interannual climate variations2008
- Author(s)
  Bugiura, N., T. Awaji, S. Masuda, T. Mochizuki, T. Toyoda, T. Miyama, H. Igarashi, Y. Ishikawa
- Journal Title
  
  J. Geophys. Res. 113
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18340139
[Journal Article] Enhanced ventilation in theOkhotsk Sea through tidal mixing at theKuril Straits2006
- Author(s)
  Nakamura T., T. Toyoda, Y. Ishikawa and T. Awaji
- Journal Title
  
  Deep Sea Res. 53
  
  Pages: 425-448
- Data Source
  KAKENHI-PROJECT-18340139
[Journal Article] Effects of tidal mixing at the Kuril Straits on the North Pacific ventilation : Adjustment of intermediate layer revealed from numerical experiments2006
- Author(s)
  Nakamura T., T.Toyoda, Y.Ishikawa, T.Awaji
- Journal Title
  
  J. Geophys. Res. 111,C04003
- Data Source
  KAKENHI-PROJECT-18340139
[Journal Article] Interannual variability of temperatureinversions in the subarctic NorthPacific2006
- Author(s)
  Masuda, S., T. Awaji, N. Sugiura,T.Toyoda, Y.Ishikawa and K.Horiuchi
- Journal Title
  
  Geophys. Res. Lett. 33, L24610
- Data Source
  KAKENHI-PROJECT-18340139
[Journal Article] Enhanced ventilation in the Okhotsk Sea through tidal mixing at the Kuril Straits2006
- Author(s)
  Nakamura T., T.Toyoda, Y.Ishikawa, T.Awaji
- Journal Title
  
  Deep Sea Res. 53
  
  Pages: 425-448
- Data Source
  KAKENHI-PROJECT-18340139
[Journal Article] Interannual variability of temperature inversions in the subarctic North Pacific2006
- Author(s)
  Masuda, S., T.Awaji, N.Sugiura, T.Toyoda, Y.Ishikawa, K.Horiuchi
- Journal Title
  
  Geophys. Res. Lett. 33,L24610
- Data Source
  KAKENHI-PROJECT-18340139
[Journal Article] Effects of tidal mixing at the Kuril Straits on the North Pacific ventilation : Part 1. Freshening and dynamical adjustment of intermediate layers revealed from numerical experiments.2005
- Author(s)
  Nakamura T., T.Toyoda, Y.Ishikawa, T.Awaji
- Journal Title
  
  J.Geophys.Res. (発表予定)(accepted)
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-14340141
[Journal Article] Effects of tidal mixing at the Kuril Straits on the North Pacific ventilation : Part 1. Freshening and dynamical adjustment of intermediate layers revealed from numerical experiments.2005
- Author(s)
  Nakamura T., T.Toyoda, Y.Ishikawa, T.Awaji
- Journal Title
  
  J.Geophys.Res. (発表予定)(submitted to)
- Data Source
  KAKENHI-PROJECT-14340141
[Journal Article] Impact of tidal mixing at the Kuril Straits on the North Pacific ventilation : Part 2. An analytical model of ventilation due to diapycnal transport at western boundary.2005
- Author(s)
  Nakamura T., T.Toyoda, Y.Ishikawa, T.Awaji
- Journal Title
  
  J.Geophys.Res. (発表予定)(submitted to)
- Data Source
  KAKENHI-PROJECT-14340141
[Journal Article] Enhanced ventilation in the Okhotsk Sea through tidal mixing at the Kuril Straits.2005
- Author(s)
  Nakamura T., T.Toyoda, Y.Ishikawa, T.Awaji
- Journal Title
  
  Deep Sea Res. (発表予定)(subimitted to)
- Data Source
  KAKENHI-PROJECT-14340141
[Journal Article] Effects of tidal mixing at the Kuril Straits on the North Pacific ventilation : Part 1. Freshening and dynamical adjustment of intermediate layers revealed from numerical experiments.2005
- Author(s)
  Nakamura T., T.Toyoda, Y.Ishikawa, T.Awaji
- Journal Title
  
  J.Geophys.Res. (accepted)
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-14340141
[Journal Article] Preconditioning of winter mixed layer in the formation of North Pacific eastern subtropical mode water.2004
- Author(s)
  Toyoda, T., T.Awaji, Y.Ishikawa, T.Nakamura
- Journal Title
  
  Geophysical Research Letter 31
- Data Source
  KAKENHI-PROJECT-14740274
[Journal Article] Tidal mixing in the Kuril Straits and its impact on ventilation in the North Pacific Ocean2004
- Author(s)
  Nakamura, T., T.Awaji, T.Toyoda, Y.Ishikawa
- Journal Title
  
  Journal of Oceanography 60(2)
  
  Pages: 411-423
- NAID
  10012724899
- Data Source
  KAKENHI-PROJECT-14740274
[Journal Article] Application of sensitivity analysis using an adjoint model for short-range forecast of the Kuroshio path south of Japan.2004
- Author(s)
  Ishikawa, Y., T.Awaji, N.Komori, T.Toyoda
- Journal Title
  
  J.Oceanogr 60
  
  Pages: 293-301
- NAID
  10012724556
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-14340141
[Journal Article] Tidal mixing in the Kuril Straits and its impact on the ventilation in the North Pacific Ocean.2004
- Author(s)
  Nakamura, T., T.Toyoda, Y.Ishikawa, T.Awaji
- Journal Title
  
  J.Oceanogr 60
  
  Pages: 411-423
- NAID
  10012724899
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-14340141
[Journal Article] Preconditioning of winter mixed layer in the formation of North Pacific eastern subtropical mode water.2004
- Author(s)
  Toyoda, T., T.Awaji, Y.Ishikawa, T.Nakamura
- Journal Title
  
  Geophys.Res.Lett.31
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-14340141
[Journal Article] Application of sensitivity analysis using an adjoin model for short-range forecast of the Kuroshio path south of Japan.2004
- Author(s)
  Ishikawa, Y., T.Awaji, N.Komori, T.Toyoda
- Journal Title
  
  J.Oceanogr. 60
  
  Pages: 293-301
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-14340141
[Journal Article] Application of sensitivity analysis using an adjoint model for short-range forecasts of the Kuroshio oath south of Japan.2004
- Author(s)
  Ishikawa, Y.T.Awaji, N.Komori, T.Toyoda
- Journal Title
  
  Journal of Oceanography 60(2)
  
  Pages: 293-301
- Data Source
  KAKENHI-PROJECT-14740274
[Journal Article] Tidal mixing in the Kuril Straits and its impact on the ventilation in the North Pacific Ocean.2004
- Author(s)
  Nakamura, T., T.Toyoda, Y.Ishikawa, T.Awaji
- Journal Title
  
  J.Oceanogr. 60
  
  Pages: 411-423
- NAID
  10012724899
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-14340141
[Journal Article] Preconditioning of winter mixed layer in the formation of North Pacific eastern subtropical mode water.2004
- Author(s)
  Toyoda, T., T.Awaji, Y.Ishikawa, T.Nakamura
- Journal Title
  
  Geophys.Res.Lett. 31
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-14340141
[Journal Article] Improved estimates of the dynamical state of the North Pacific Ocean from a 4-dimensional variational data assimilation.2003
- Author(s)
  Masuda, S., T.Awaji, N.Sugiura, Y.Ishikawa, K.Baba, K.Horiuchi, N.Komori
- Journal Title
  
  Geophys.Res.Lett. 30
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-14340141
[Journal Article] Improved estimates of the dynamical state of the North Pacific Ocean from a 4-dimensional variational data assimilation.2003
- Author(s)
  Masuda, S., T.Awaji, N.Sugiura, Y.Ishikawa, K.Baba, K.Hirouci, N.Komori
- Journal Title
  
  Geophys.Res.Lett. 30
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-14340141
[Journal Article] State estimation of the North Pacific Ocean by a four-dimensional variational data assimilation experiment.2003
- Author(s)
  Awaji, T., S.Masuda, Y.Ishikawa, N.Sugiura, T.Toyoda, T.Nakamura
- Journal Title
  
  J.Oceanogr. 59
  
  Pages: 931-943
- NAID
  10012535325
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-14340141
[Journal Article] State estimation of the North Pacific Ocean by a four-dimensional variational data assimilation experiment2003
- Author(s)
  Awaji, T., S.Masuda, Y.Ishikawa, N.Sugiura, T.Toyoda, T.Nakamura
- Journal Title
  
  J.Oceanogr 59
  
  Pages: 931-943
- NAID
  10012535325
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-14340141
[Presentation] 津軽海峡HFレーダーの調和解析とナウキャスト手法の開発2018
- Author(s)
  石川洋一・田中裕介
- Organizer
  九州大学応用力学研究所研究集会「海洋レーダを用いた海況監視システムの開発と応用に関する研究集会」
- Data Source
  KAKENHI-PROJECT-16H02226
[Presentation] 東北沿岸・津軽海峡における高解像度モデリング.2017
- Author(s)
  田中裕介、石川洋一
- Organizer
  九州大学応用力学研究所研究集会「海洋レーダを用いた海況監視システムの開発と応用」
- Data Source
  KAKENHI-PROJECT-16H02226
[Presentation] Four-dimensional variational ocean reanalysis: a 30-year high-resolution dataset in the western North Pacific (FORA-WNP30)2017
- Author(s)
  Usui, N., T. Wakamatsu, Y. Tanaka, N. Hirose, T. Toyoda, S. Nishikawa, Y. Fujii, Y. Takatsuki, H. Igarashi, H. Nishikawa, Y. Ishikawa, T. Kuragano, and M. Kamachi
- Organizer
  Asia Oceania Geosciences Society 14th Annual Meeting (AOGS2017)
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H02226
[Presentation] 漁業への貢献を目指した津軽海峡・三陸沿岸regionalモデルの開発2017
- Author(s)
  田中裕介・石川洋一・五十嵐弘道・蒲地政文・西川史朗
- Organizer
  北海道大学低温研究所研究集会「宗谷暖流を始めとした対馬暖流系の変動メカニズム」
- Data Source
  KAKENHI-PROJECT-16H02226
[Presentation] Inter-annual variation of the Tsugaru warm current revealed from the long-term coastal ocean reanalysis2017
- Author(s)
  Wakamatsu, T, N.Hirose, Y.Tanaka, S.Nishikawa, N.Usui, Y.Takatsuki, T.Kuragano, M.Kamachi and Y.Ishikawa
- Organizer
  10th Coastal Altimetry Workshop
- Place of Presentation
  Santa Apollonia Auditorium (イタリア, Firenze ）
- Year and Date
  2017-02-21
- Data Source
  KAKENHI-PROJECT-16H02226
[Presentation] 北西太平洋海洋長期再解析（FORA-WNP30）の事後検定2016
- Author(s)
  若松剛・石川洋一
- Organizer
  日本海洋学会2016年度秋季大会
- Place of Presentation
  鹿児島大学（鹿児島県鹿児島市）
- Year and Date
  2016-09-12
- Data Source
  KAKENHI-PROJECT-16H02226
[Presentation] 海洋再解析データFORAのダウンスケールによる高解像海峡データの作成2016
- Author(s)
  若松剛・西川史朗・田中裕介・石川洋一
- Organizer
  北海道大学低温研研究集会「宗谷暖流を始めとした対馬暖流系の変動メカニズム」
- Place of Presentation
  北海道大学低温研究所（北海道札幌市）
- Year and Date
  2016-06-30
- Data Source
  KAKENHI-PROJECT-16H02226
[Presentation] 西岸境界における海水の流入流出が風成循環に与える影響2010
- Author(s)
  中村知裕、豊田隆寛、石川洋一、淡路敏之
- Organizer
  日本海洋学会秋季大会
- Place of Presentation
  京大学生物産業学部(北海道網走市).
- Data Source
  KAKENHI-PROJECT-21340137
[Presentation] Global estimation of parameters for a lower trophic level ecosystem model by Green's function approach2010
- Author(s)
  S.Masuda, T.Toyoda, T.Awaji, N.Sugiura, H.Igarashi, Y.Sasaki, Y.Hiyoshi, Y.Ishikawa
- Organizer
  IMBER IMBIZO II workshop
- Place of Presentation
  Crete, Greece
- Data Source
  KAKENHI-PROJECT-21340137
[Presentation] 4DVARデータ同化プロダクトを用いた北太平洋東部亜熱帯モード水の解析2010
- Author(s)
  豊田隆寛・淡路敏之・杉浦望実・増田周平・五十嵐弘道・佐々木祐二・日吉善久・石川洋一
- Organizer
  2010年度日本海洋学会春季大会・シンポジウムD「モード水研究の新たな展開-海流・気候への影響・を探る-」
- Place of Presentation
  東京海洋大学品川キャンパス
- Year and Date
  2010-03-26
- Data Source
  KAKENHI-PROJECT-21340137
[Presentation] Report from K7, adjoint sensitivity analysis for oceanic warming of the deepest waters2010
- Author(s)
  Shuhei Masuda, Toshiyuki Awaji, Nozomi Sugiura, Yoichi Ishikawa
- Organizer
  GODAE Ocean View ST II meeting
- Place of Presentation
  Tokyo Japan
- Data Source
  KAKENHI-PROJECT-21340137
[Presentation] K7 OceanReanalysis Experiment by Using a 4D-VARData Assimilation System2009
- Author(s)
  Awaji,T., Shuhei Masuda, Nozomi Sugiura,Takahiro Toyoda, Hiromichi Igarashi,Yoichi Ishikawa, Yuji Sasaki
- Organizer
  Internationalworkshop on the North Pacific Oceanobservation Strategy for carbon cycleand climate change
- Place of Presentation
  Tokyo
- Data Source
  KAKENHI-PROJECT-18340139
[Presentation] Development of a 4-dimensional variational coupled data assimilation system for enhanced analysis and2009
- Author(s)
  杉浦望実, 石川洋一, 淡路敏之, 増田周平, 五十嵐弘道, 豊田隆寛, 佐々木祐二, 日吉善久
- Organizer
  Fifth WMO International Symposium on Data Assimilation of Observations in Meteorology, Oceanography and Hydrology
- Place of Presentation
  Melbourne, Australia
- Data Source
  KAKENHI-PROJECT-21340137
[Presentation] アンサンブルベースの4次元変分法2009
- Author(s)
  石川洋
- Organizer
  日本海洋学会秋季大会
- Place of Presentation
  広島県呉市
- Year and Date
  2009-09-26
- Data Source
  KAKENHI-PROJECT-19030009
[Presentation] IMPACT-OF 4D-VAR ASSIMILATION PRODUCTS ON BIO-GEOCHEMICAL SIMULATION2009
- Author(s)
  Y. Ishikawa
- Organizer
  Final GODAE Symposium 2008
- Place of Presentation
  ニース、フランス
- Year and Date
  2009-11-14
- Data Source
  KAKENHI-PROJECT-19030009
[Presentation] IMPACT OF 4D-VAR ASSIMILATION PRODUCTS ON BIO-GEOCHEMICAL SIMULATION2009
- Author(s)
  Ishikawa, Y.
- Organizer
  The 5th WMO International Symposium on Data Assimmilation
- Place of Presentation
  メルボルン.オーストラリア
- Year and Date
  2009-10-09
- Data Source
  KAKENHI-PROJECT-19740292
[Presentation] IMPACT OF 4D-VAR ASSIMILATION PRODUCTS ON BIO-GEOCHEMICAL SIMULATION2009
- Author(s)
  Ishikawa, Y., T. Awaji, T. Toyoda, H. Igarashi
- Organizer
  The 5th WMO International Symposium on Data Assimilation
- Place of Presentation
  Melbourne, Australia
- Year and Date
  2009-10-09
- Data Source
  KAKENHI-PROJECT-19740292
[Presentation] IMPACT OF 4D-VAR ASSIMILATION PRODUCTS ON BIO-GEOCHEMICAL SIMULATION2008
- Author(s)
  Y. Ishikawa
- Organizer
  Final GODAE Symposium 2008
- Place of Presentation
  ニース、フランス
- Year and Date
  2008-11-14
- Data Source
  KAKENHI-PROJECT-19740292
[Presentation] アンサンブルベースの4次元変分法2008
- Author(s)
  石川洋一, 淡路敏之
- Organizer
  日本海洋学会秋季大会
- Place of Presentation
  広島県呉市
- Year and Date
  2008-09-26
- Data Source
  KAKENHI-PROJECT-19740292
[Presentation] 海洋生態系データ同化システムを用いた生物化学過程の状態推定2008
- Author(s)
  石川洋一、淡路敏之、岸道郎、才野敏郎
- Organizer
  2008年度日本海洋学会春季大会
- Place of Presentation
  東京海洋大学
- Data Source
  KAKENHI-PROJECT-19030009
[Presentation] IMPACT OF 4D-VAR ASSIMILATION PRODUCTS ON BIO-GEOCHEMICAL SIMULATION2008
- Author(s)
  Ishikawa. Y., T. Awaji, T. Toyoda, H. Igarashi
- Organizer
  Final GODAE Symposium 2008
- Place of Presentation
  Nice, France
- Year and Date
  2008-11-14
- Data Source
  KAKENHI-PROJECT-19740292
[Presentation] 海洋生態系データ同化システムを用いた生物化学過程の状態推定2008
- Author(s)
  石川洋一, 淡路敏之, 岸道郎, 才野敏郎
- Organizer
  2008年度日本海洋学会春季大会
- Place of Presentation
  東京海洋大学
- Year and Date
  2008-03-28
- Data Source
  KAKENHI-PROJECT-19740292
[Presentation] Interannual variabilities ofeastern subtropical mode waters in theNorth and the South Pacific identifiedfrom reanalysis datasets obtained by4DVAR data assimilation2008
- Author(s)
  Toyoda,T., S.Masuda, N.Sugiura,H.Igarashi, Y.Sasaki, Y.Ishikawa, T.Awaji
- Organizer
  Asia Oceania Geophysical Society
- Place of Presentation
  Busan
- Data Source
  KAKENHI-PROJECT-18340139
[Presentation] Assessing the validity of GODAE products in coastal and shelf seas2007
- Author(s)
  Ishikawa, Y., T. Awaji, T. In, S. Shima, K. Nishina, T. Toyoda
- Organizer
  GODAE Coastal and Shelf Seas Workshop
- Place of Presentation
  Liverpool, U. K
- Year and Date
  2007-10-10
- Data Source
  KAKENHI-PROJECT-19740292
[Presentation] Assessing the validity of GODAE products in coastal and shelf seas2007
- Author(s)
  Ishikawa, Y., T. Awaji, T. In, S. Shima, K. Nishina. T. Tovoda
- Organizer
  GODAE Coastal and Shelf Seas Workshop
- Place of Presentation
  Liverpool, U.K.
- Data Source
  KAKENHI-PROJECT-19740292
[Presentation] Four-dimensional variational coupled data assimilation experiment2007
- Author(s)
  T. Awaji, N. Sugiura, S. Masuda, H.Igarashi, T. Tovoda and Y. Ishikawa
- Organizer
  GODAE IMBER meeting
- Place of Presentation
  Paris, Francce
- Data Source
  KAKENHI-PROJECT-19030009
[Presentation] Assessing the validity of GODAE products in coastal and shelf seas2007
- Author(s)
  Ishikawa, Y., T. Awaji, T. In, S. Shima, K. Nishina. T. Toyoda
- Organizer
  GODAE Coastal and Shelf Seas Workshop
- Place of Presentation
  Liverpool, U.K.
- Data Source
  KAKENHI-PROJECT-19030009

1. AWAJI Toshiyuki (40159512)

# of Collaborated Projects: 5 results

# of Collaborated Products: 45 results
2. KONDA Masanori (10273434)

# of Collaborated Projects: 4 results

# of Collaborated Products: 0 results
3. AKITOMO Kazunori (10222530)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
4. FUKAZAWA Masao (10143546)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
5. HIROSE NAOKI (70335983)

# of Collaborated Projects: 1 results

# of Collaborated Products: 3 results
6. 池田元美 (50261227)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
7. 豊田隆寛 (90450775)

# of Collaborated Projects: 1 results

# of Collaborated Products: 4 results
8. 里村雄彦 (20273435)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
9. 吉川裕 (40346854)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
10. 碓氷典久 (50370333)

# of Collaborated Projects: 1 results

# of Collaborated Products: 4 results
11. 木田新一郎 (50543229)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
12. 磯辺篤彦 (00281189)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
13. 大貫陽平 (70804201)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
14. 江淵直人 (10203655)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
15. 若松剛 (20637665)

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
16. HIROSE Nariaki

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

Ishikawa Yoichi 石川 洋一

石川 洋一 イシカワ ヨウイチ

ISHIKAWA Youichi 石川 洋一

ISHIKAWA Yoichi 石川 洋一

Research Projects

Research Products

Co-Researchers

Synthesis and anatomy of the strait dynamics

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日周期大気海洋熱・水交換を介した海洋混合層・積雲フィードバックの数値的研究

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データ同化による海洋表層循環変動のモニタリングと化学・生物過程とのカップリングPrincipal Investigator

Principal Investigator

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Review Section

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Development of new 4-dimnesional variational data assimilation technique using Monte-Carlo method.Principal Investigator

Principal Investigator

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Research Institution

Elucidation for irregularity of El Nino events by using an innovative multi-connected inversion approach with the 4-dimensional variational atmosphere-ocean data assimilation system

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海洋大循環データ同化システムを用いた大気海洋カップラの開発研究Principal Investigator

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Improved estimates of heat and water mass transports in the Pacific Ocean by a long-term data assimilation experiment using a 4-dimensional variational approach

Principal Investigator

Project Period (FY)

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Research Institution

Analysis of heat transport driven by the Kuroshio and short-range forecast of the Kuroshio variabilities using data assimilation methods

Principal Investigator

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[Book] データ同化 観測・実験とモデルを融合するイノベーション2009

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Total Pages

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[Book] データ同化観測・実験とモデルを融合するイノベーション2009

Author(s)

Total Pages

Publisher

Data Source

[Book] データ同化 観測・実験とモデルを融合するイノベーション2009

Author(s)

Total Pages

Publisher

Data Source

[Journal Article] 日本の海洋データ同化研究 ─20年間の功績と今後の展望─2017

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NAID

Data Source

[Journal Article] Four-dimensional variational ocean reanalysis: a 30-year high-resolution dataset in the western North Pacific (FORA-WNP30)2017

Author(s)

Journal Title

DOI

NAID

Ishikawa Yoichi 石川洋一

石川洋一イシカワヨウイチ

ISHIKAWA Youichi 石川洋一

ISHIKAWA Yoichi 石川洋一

[Book] データ同化観測・実験とモデルを融合するイノベーション2009

[Book] データ同化観測・実験とモデルを融合するイノベーション2009