JAMSTEC Researchers Database

Last update :2020/06/27

  • Koji Ogochi
Department
Research Institute for Global Change (RIGC) Research Center for Environmental Modeling and Application (CEMA) Earth System Model Development and Application Group (ESM-DAG)
Career
Research Technician

Profile

Speciality
High Performace Computing (HPC)

Research Achievement

Peer reviewed publications (Belonging to JAMSTEC)

  • Takashi Sekiya, Kazuyuki Miyazaki, Koji Ogochi, Kengo Sudo, Masayuki Takigawa, Henk Eskes, K. Folkert Boersma. Impacts of horizontal resolution on global data assimilation of satellite measurements for tropospheric chemistry analysis. Journal of Advances in Modeling Earth Systems, 2021, 13, 6, doi: 10.1029/2020MS002180
  • Takahito Kataoka, Hiroaki Tatebe, Hiroshi Koyama, Takashi Mochizuki, Koji Ogochi, Hiroaki Naoe, Yukiko Imada, Hideo Shiogoma, Masahide Kimoto, and Masahiro Watanabe. Seasonal to Decadal Predictions with MIROC6: Description and Basic Evaluation. Journal of Advances in Modeling Earth Systems, 2020, 12, 12, doi: 10.1029/2019MS002035
  • Kazuyuki Miyazaki, Kevin Bowman, Takashi Sekiya, Henk Eskes, Folkert Boersma, Helen Worden, Nathaniel Livesey, Vivienne H. Payne, Kengo Sudo, Yugo Kanaya, Masayuki Takigawa, Koji Ogochi. Updated tropospheric chemistry reanalysis and emission estimates, TCR-2, for 2005-2018. Earth System Science Data, 2020, 12, p. 2223-2259, doi: 10.5194/essd-12-2223-2020
  • Tomohiro Hajima, Michio Watanabe, Akitomo Yamamoto, Hiroaki Tatebe, Maki A. Noguchi, Manabu Abe, Rumi Ohgaito, Akinori Ito, Dai Yamazaki, Hideki Okajima, Akihiko Ito, Kumiko Takata, Koji Ogochi, Shingo Watanabe, Michio Kawamiya. Development of the MIROC-ES2L Earth system model and the evaluation of biogeochemical processes and feedbacks. Geoscientific Model Development, 2020, 13, p. 2197-2244, doi: 10.5194/gmd-13-2197-2020
  • Hiroaki Tatebe, Tomoo Ogura, Tomoko Nitta, Yoshiki Komuro, Koji Ogochi, Toshihiko Takemura,Kengo Sudo, Miho Sekiguchi, Manabu Abe, Fuyuki Saito, Minoru Chikira, Shingo Watanabe, Masato Mori, Nagio Hirota, Yoshio Kawatani, Takashi Mochizuki, Kei Yoshimura, Kumiko Takata, Ryouta O’ishi, Dai Yamazaki,Tatsuo Suzuki, Masao Kurogi, Takahito Kataoka, Masahiro Watanabe, Masahide Kimoto. Description and basic evaluation of simulated mean state, internal variability, and climate sensitivity in MIROC6. Geoscientific Model Development, 2019, 12, p. 2727-2765, doi: 10.5194/gmd-12-2727-2019
  • K. Miyazaki, T. Sekiya, D. Fu, K. W. Bowman, S. S. Kulawik, K. Sudo, T. Walker, Y. Kanaya, M. Takigawa, K. Ogochi, H. Eskes, K. F. Boersma, A. M. Thompson, B. Gaubert, J. Barre, and L. K. Emmons. Balance of Emission and Dynamical Controls on Ozone During the Korea‐United States Air Quality Campaign From Multiconstituent Satellite Data Assimilation. JOURNAL OF GEOPHYSICAL RESEARCH - Atmospheres, 2019, 124, 1, p. 387-413, doi: 10.1029/2018JD028912
  • Takashi Sekiya, Kazuyuki Miyazaki, Koji Ogochi, Kengo Sudo, Masayuki Takigawa. Global high-resolution simulations of tropospheric nitrogen dioxide using CHASER V4.0. Geoscientific Model Development, 2018, 11, p. 959-988, doi: 10.5194/gmd-11-959-2018
  • Sakamoto Takashi T, Komuro Yoshiki, Nishimura Teruyuki, Ishii Masayoshi, Tatebe Hiroaki, Shiogama Hideo, Hasegawa Akira, Toyoda Takahiro, Mori Masato, Suzuki Tatsuo, Imada Yukiko, Nozawa Toru, Takata Kumiko, Mochizuki Takashi, Ogochi Koji, Emori Seita, Hasumi Hiroyasu, Kimoto Masahide. MIROC4h - a new high-resolution atmosphere-ocean coupled general circulation model. Journal of Meteorological Society of Japan, 2012, 90, 3
  • HiroakiTatebe, Masayoshi Ishii, Takashi Mochizuki, Yoshimitsu Chikamoto, Takashi T. Sakamoto, Yoshiki Komuro, Masato Mori, Sayaka Yasunaka, Masahiro Watanabe, Koji Ogochi, Tatsuo Suzuki, Teruyuki Nishimura, Masahide Kimoto. The initialization of the MIROC climate model with hydrographic data assimilation for decadal prediction. Journal of Meteorological Society of Japan, 2012, 90A, p. 275-294

Invited oral presentation(Belonging to JAMSTEC)

  • Miyazaki K., T. Sekiya, H. Eskes, F. Boersma, D. Fu, K. Bowman, Susan S. Kulawik, T. Walker, K. Sudo, Y. Kanaya, M. Takigawa, K. Ogochi, B. Gaubert, J. Barre, L. Emmons. A tropospheric chemistry reanalysis based on multi-constituent satellite data assimilation and its application for KORUS-AQ. 2017 annual conference of Korean Society for Atmospheric Environment, 2017
  • Takashi Sekiya, Kazuyuki Miyazaki, Koji Ogochi, Kengo Sudo, Masayuki Takigawa. A high-resolution global atmospheric composition data assimilation of multiple satellite measurements during NASA’s KORUS-AQ aircraft campaign. JpGU-AGU Joint Meeting 2017, 2017

oral presentation(Belonging to JAMSTEC)

  • Takashi SEKIYA, Kazuyuki MIYAZAKI, Koji OGOCHI, Kengo SUDO, Masayuki TAKIGAWA. Global High-Resolution Simulations of Tropospheric Nitrogen Dioxide Using CHASER V4.0 and its application to data assimilation. AOGS 15th Annual Meeting, 2018
  • 関谷 高志、宮崎 和幸、大越智 幸司、須藤 健悟、滝川 雅之. A 0.56°-resolution global data assimilation of multi-chemical constituent satellite measurements. 日本地球惑星科学連合2018年大会, 2018
  • Miyazaki K., T. Sekiya, D. Fu, K. W. Bowman, S. S. Kulawik, K. Sudo, Y. Kanaya, M. Takigawa, K. Ogochi, B. Gaubert, J. Barre, L. Emmons, KORUS-AQ team. Application of multiple-species satellite data assimilation for KORUS-AQ and air quality monitoring over East Asia. AOGS 14th Annual Meeting, 2017
  • 関谷 高志、宮崎 和幸、大越智 幸司、須藤 健悟、滝川 雅之. 全球化学輸送モデル CHASER による高分解能対流圏 NO2 シミュレーション. 日本気象学会2017年度春季大会, 2017
  • Hiroaki Tatebe, Tatsuo Suzuki, Yoshiki Komuro, Koji Ogochi, Ogura Tomoo, Shiogama Hideo, Yokohata Tokuta, Kumiko Takata, Ryouta Ohishi, Masahiro Watanabe, Masahide Kimoto. Development of an updated version of MIROC5 and the next climate model for CMIP6. International workshop on climate system modeling, 2014
  • 野津雅人 1・野沢徹 3・石井正好 4・西村照幸 2・大越智幸司. 外部フォーシングの 20 世紀気候変動再現実験への影響. 日本気象学会 2013 年度秋季大会 (予稿集に記載), 2013, p. A201-A201
  • Tatebe, Koyama, Ishii, Tatsuo Suzuki, Komuro, Kurogi, Koji Ogochi, Ogura, Imada, O'ishi, Masahiro Watanabe, Masahide Kimoto. Development of the updated version of MIROC5 and a data assimilation system using LETKF applied to the atmosphere-ocean coupled system. CLIMATE2013, 2013

Poster presentation(Belonging to JAMSTEC)

  • Takashi Sekiya, Kazuyuki Miyazaki, Koji Ogochi, Kengo Sudo, Masayuki Takigawa, Henk Eskes, Folkert Boersma. A 0.56°-resolution global data assimilation of multi-species satellite measurements for atmospheric composition study. The 1st R-CSS International Symposium, 2019
  • Takashi Sekiya, Kazuyuki Miyazaki, Koji Ogochi, Kengo Sudo, Masayuki Takigawa, Henk Eskes, Folkert Boersma. A 0.56°-resolution Global Data Assimilation of Multi-constituent Satellite Measurements for Tropospheric Chemistry Analysis. 2018 AGU Fall Meeting, 2018
  • Takashi Sekiya, Kazuyuki Miyazaki, Koji Ogochi, Kengo Sudo, Masayuki Takigawa, Henk Eskes, and Folkert Boersma. A 0.56°-resolution global data assimilation of multi-constituent satellite measurements for use in tropospheric chemistry studies. 2018 joint 14th iCACGP Quadrennial Symposium and 15th IGAC Science Conference, 2018
  • Kazuyuki MIYAZAKI, Takashi SEKIYA, Dejian FU, Kevin BOWMAN, Susan KULAWIK, Kengo SUDO, Yugo KANAYA, Masayuki TAKIGAWA, Koji OGOCHI, Henk ESKES, Benjamin GAUBERT, Jerome BARRE, Thomas WALKER, Louisa EMMONS. Application of multiple-species satellite data assimilation for KORUS-AQ and air quality monitoring over East Asia. AOGS 15th Annual Meeting, 2018
  • Takashi Sekiya, Kazuyuki Miyazaki, Koji Ogochi, Kengo Sudo, Masayuki Takigawa. High-resolution global surface NOx emissions from multi-constituent satellite data assimilation. 18th GEIA conference, 2017
  • Takashi Sekiya, Kazuyuki Miyazaki, Koji Ogochi, Kengo Sudo, Masayuki Takigawa. A high-resolution global chemical data assimilation of multiple satellite measurements from OMI, GOME-2, MOPITT, and MLS during KORUS-AQ aircraft campaign. AOGS 14th annual meeting, 2017
  • Takashi Sekiya, Kazuyuki Miyazaki, Koji Ogochi, Kengo Sudo, Masayuki Takigawa. Global high-resolution simulations of tropospheric nitrogen dioxide using CHASER. CCMI science workshop 2017, 2017
  • Takashi Sekiya, Kazuyuki Miyazaki, Koji Ogochi, Kengo Sudo, Masayuki Takigawa. A high-resolution global chemical data assimilation of multiple satellite measurements from the A-Train during KORUS-AQ. A-Train Symposium 2017, 2017
  • Sakamoto Takashi T, Komuro Yoshiki, Nishimura Teruyuki, Ishii Masayoshi, Tatebe Hiroaki, Shiogama Hideo, Hasegawa Akira, Toyoda Takahiro, Mori Masato, Suzuki Tatsuo, Imada Yukiko, Nozawa Toru, Takata Kumiko, Mochizuki Takashi, Ogochi Koji, Emori Seita, Hasumi Hiroyasu, Kimoto Masahide. Team MIROC: MIROC4h - a new high-resolution atmosphere-ocean coupled general circulation model -. WCRP OSC Climate Research in Service to Society, 2011
  • Komuro Yoshiki, Suzuki Tatsuo, Sakamoto Takashi T, Hasumi Hiroyasu, Ishii Masayoshi, Watanabe Masahiro, Nozawa Toru, Yokohata Tokuta, Nishimura Teruyuki, Ogochi Koji, Emori Seita, Kimoto Masahide. Team MIROC: Sea-ice climatology and trends in twentieth-century simulations by new MIROC coupled models. WCRP OSC 2011, 2011
  • Tatebe Hiroaki, Ishii Masayoshi, Mochizuki Takashi, Chikamoto Yoshimitsu, Sakamoto Takashi, Komuro Yoshiki, Mori Masato, Yasunaka Sayaka, Watanabe Masahiro, Ogochi Koji, Suzuki Tatsuo, Nishimura Teruyuki, Kimoto Masahide. Initialization of the climate model MIROC for decadal prediction with hydrographic data assimilation. WCRP OSC 2011, 2011