Achievement
■Paper
Ohishi, S., S. Sugimoto, and K. Hanawa, 2015: Zonal movement of the Mascarene High in austral summer. Clim. Dyn., 45, 1739-1745, doi:10.1007/s00382-014-2427-7 [link]
Ohishi, S., T. Tozuka, and N. Komori, 2016: Frontolysis by surface heat flux in the Agulhas Return Current region with a focus on mixed layer processes: observation and a high-resolution CGCM. Clim. Dyn., 47, 3993-4007, doi:10.1007/s00382-016-3056-0[link]
Ohishi, S., T. Tozuka, and M. F. Cronin, 2017: Frontogenesis in the Agulhas Return Current region simulated by a high-resolution CGCM, J. Phys. Oceanogra., 47, 2691-2710, doi:10.1175/JPO-D-17-0038.1[link]
Tozuka, T., S. Ohishi, and M. F. Cronin, 2018: A metric for surface heat flux effect on horizontal sea surface temperature gradients, Clim. Dyn., 51, 547-561, doi: 10.1007/s00382-017-3940-2[link]
Ohishi, S., H. Aiki, T. Tozuka, and M. F. Cronin, 2019: Frontolysis by surface heat flux in the eastern Japan Sea: Importance of mixed layer depth, J. Oceanogra., 75, 283-297, doi:10.1007/s10872-018-0502-0 [link]
Ohishi, S., S. Katsura, and H. Aiki, 2019: Salinity frontogenesis/frontolysis in the northeastern subtropical Pacific region, Clim. Dyn., 53, 5927-5943, doi:10.1007/s00382-019-04907-w [link]
Tomita, H., M. F. Cronin, and S. Ohishi, 2021: Asymmetric air-sea heat flux response and ocean impact to synoptic-scale atmospheric disturbances observed at JKEO and KEO buoys, Sci. Rep., 11, 469, doi:10.1038/s41598-020-80665-8 [link]
Kameyama, K., Y. Kanno, S. Ohishi, H. Tomita, Y. Fukutomi, and H. Aiki, 2022: Sporadic low salinity signals in the oceanic mixed layer observed by the Kuroshio Extension Observatory buoy, Front. Clim., doi:10.3389/fclim.2022.820490 [link]
Sakajo, T., S. Ohishi, and T. Uda, 2022: Identification of Kuroshio meanderings south of Japan via a topological data analysis for sea surface height, J. Oceanogra., 78, 495-513, doi:10.1007/s10872-022-00656-3 [link]
Ohishi, S., T. Hihara, H. Aiki, J. Ishizaka, Y. Miyazawa, M. Kachi, and T. Miyoshi, 2022: An ensemble Kalman filter system with the Stony Brook Parallel Ocean Model v1.0, Geosci. Model Dev., 15, 8395–8410, doi:10.5194/gmd-15-8395-2022 [link]
Ohishi, S., T. Miyoshi, and M. Kachi, 2022: An ensemble Kalman filter-based ocean data assimilation system improved by adaptive observation error inflation (AOEI), Geosci. Model Dev., 15, 9057–9073, doi:10.5194/gmd-15-9057-2022 [link]
Ohishi, S., T. Miyoshi, and M. Kachi, 2023: LORA: A local ensemble transform Kalman filter-based ocean research analysis, Ocn. Dyn., 73, 117–143, doi:10.1007/s10236-023-01541-3 [link]
Ohishi, S., T. Miyoshi, and M. Kachi: Impact of atmospheric forcing on SST in the LETKF-based ocean research analysis (LORA), Ocean Modelling, in press, doi:10.1016/j.ocemod.2024.102357 [link]
■International conference (oral)
Ohishi, Shun, Tomoki Tozuka, and Nobumasa Komori, ‘Frontolysis by surface heat flux in the Agulhas Return Current region with a focus on mixed layer processes', Meeting on Perspectives in Computational Atmosphere and Ocean Science and 8th OFES International Workshop, Aichi, Mar. 2017
Ohishi, Shun, Tomoki Tozuka, and Meghan F. Cronin, ‘Frontogenesis in the Agulhas Return Current region simulated by a high-resolution CGCM’, JpGU–AGU Joint Meeting 2017, Chiba, May. 2017
Tozuka, Tomoki, Shun Ohishi, and Meghan F. Cronin, ‘A metric for surface heat flux effect on horizontal sea surface temperature gradients’, 2018 Ocean Sciences Meeting, Portland, Feb. 2018
Tozuka, Tomoki, Shun Ohishi, and Meghan F. Cronin, 'A metric for surface heat flux effect on horizontal SST gradients: Application to mid-latitude SST fronts', EGU General Assembly 2018, Vienna, Apr. 2018
Ohishi, Shun, Tsutomu Hihara, Hidenori Aiki, Joji Ishizaka, Yasumasa Miyazawa, and Misako Kachi, 'An LETKF-based ocean reanalysis for the Asia-Oceania region using Himawari-8 SSTs', JpGU Meeting 2018, Chiba, May. 2018
Ohishi, Shun, Tsutomu Hihara, Hidenori Aiki, Joji Ishizaka, Yasumasa Miyazawa, and Misako Kachi, ‘An LETKF-based ocean reanalysis for the Asia-Oceania region using Himawari-8 SSTs’, IWMO 2018, Santos, Jun. 2018
Ohishi, Shun, Tomoki Tozuka, and Nobumasa Komori, ‘Frontolysis by surface heat flux in the Agulhas Return Current region with a focus on mixed layer processes’, IWMO 2018, Santos, Jun. 2018
Ohishi, Shun, Tsutomu Hihara, Hidenori Aiki, Joji Ishizaka, Yasumasa Miyazawa, and Misako Kachi, ‘An LETKF-based ocean reanalysis for the Asia-Oceania region using Himawari-8 SSTs and SMOS/SMAP SSS’, 4th International Joint Workshop on Computationally-Intensive Modelling of the Climate System and 9th OFES International Workshop, Fukuoka, Feb. 2019
Ohishi, Shun, Tsutomu Hihara, Hidenori Aiki, Joji Ishizaka, Yasumasa Miyazawa, and Misako Kachi, ‘An LETKF-based ocean reanalysis for the Asia-Oceania region using Himawari-8 SSTs and SMOS/SMAP SSS’, 20th Pacific Asian Marginal Seas (PAMS 2019), Kaohsiung, Mar. 2019
Ohishi, Shun, Hidenori Aiki, Tomoki Tozuka, and Meghan F. Cronin, ‘Frontolysis by surface heat flux in the eastern Japan Sea: Importance of mixed layer depth’, 20th Pacific Asian Marginal Seas (PAMS 2019), Kaohsiung, Mar. 2019
Ohishi, Shun, Tsutomu Hihara, Hidenori Aiki, Joji Ishizaka, Yasumasa Miyazawa, and Misako Kachi, ‘An LETKF-based ocean reanalysis for the Asia-Oceania region using Himawari-8 SSTs and SMOS/SMAP SSS’, GODAE Ocean View Symposium 2019 – OceanPredict ‘19, Halifax, May 2019
Ohishi, Shun, Tsutomu Hihara, Hidenori Aiki, Joji Ishizaka, Yasumasa Miyazawa, and Misako Kachi, ‘An LETKF-based ocean reanalysis for the Asia-Oceania region using Himawari-8 SSTs and SMOS/SMAP SSS’, JpGU Meeting 2019, Chiba, May 2019, Invited oral
Ohishi, Shun, Tsutomu Hihara, Hidenori Aiki, Joji Ishizaka, Yasumasa Miyazawa, Misako Kachi, and Takemasa Miyoshi ‘Development of an ensemble Kalman filter-based regional ocean data assimilation system’, The second international Operational Satellite Oceanography Symposium (OSOS-2), Online, May 2021
Ohishi, Shun, Tsutomu Hihara, Hidenori Aiki, Joji Ishizaka, Yasumasa Miyazawa, Misako Kachi, and Takemasa Miyoshi ‘Improving the salinity structure by AOEI in an EnKF-based ocean data assimilation system’, Japan Geoscience Union Meeting 2021, Online, Jun. 2021
Ohishi, Shun, Tsutomu Hihara, Hidenori Aiki, Joji Ishizaka, Yasumasa Miyazawa, Misako Kachi, and Takemasa Miyoshi ‘Improving the salinity structure by AOEI in an EnKF-based ocean data assimilation system’, Asia Oceania Geosciences Society 18th Annual Meeting (AOGS 2021), On-line, Aug. 2021
Ohishi, Shun, Takemasa Miyoshi, Misako Kachi, Yasumasa Miyazawa, Nariaki Hirose, Norihisa Usui, Yosuke Fujii, Naoki Hirose, and Yusuke Tanaka ‘Regional ocean data assimilation systems in Japan’, UN Ocean Decade Kickoff Conference for the Western Pacific and its Adjacent Areas, Online, Nov. 2021
Ohishi, Shun, Takemasa Miyoshi, Misako Kachi ‘Improving the salinity structure by an adaptive observation error inflation in an EnKF-based ocean data assimilation system’ Ocean Sciences Meeting 2022, Online, Feb. 2022
Ohishi, Shun, Takemasa Miyoshi, and Misako Kachi ‘LETKF-based Ocean Research Analysis (LORA) in the Western North Pacific region’, JpGU Meeting 2022, Chiba, May 2022
Miyoshi, Takemasa, Ting-Chi Wu, Koji Terasaki, Jlanyu Liang, Shun Ohishi, Shigenori Otsuka, Shunji Kotsuki, Atsushi Okazaki, Hirofumi Tomita, Ying-Wen Chen, Kaya Kanemaru, Masaki Satoh, Hisashi Yashiro, Kozo Okamoto, Eugenia Kalnay, Takuji Kubota, and Misako Kachi, ‘Advances and applications of satellite assimilation of clouds, precipitation, and the ocean’, JpGU Meeting 2022, Chiba, May 2022
Ohishi, Shun, Takemasa Miyoshi, and Misako Kachi ‘LETKF-based Ocean Research Analysis (LORA) in the Western North Pacific region’, ISDA-online, Online, Oct. 2022
Ohishi, Shun, Yuki Kobayashi, Takemasa Miyoshi, ‘Including cross correlations between the forecast and observation errors in the ensemble Kalman filter’, Japan Geoscience Union Meeting 2023, Chiba, May 2023
Miyoshi, Takemasa, Shun Ohishi, Jianyu Liang, Rakesh Teja Konduru, Shigenori Otsuka, Shunji Kotsuki, Koji Terasaki, Atsushi Okazaki, Hirofumi Tomita, Ying-Wen Chen, Kaya Kanemaru, Masaki Satoh, Hisashi Yashiro, Kozo Okamoto, Eugenia Kalnay, Takuji Kubota, and Misako Kachi ‘Advances and applications of satellite data assimilation of clouds, precipitation, and the ocean’, Japan Geoscience Union Meeting 2023, Chiba, May 2023
Miyoshi, Takemasa, Shun Ohishi, Jianyu Liang, Rakesh Teja Konduru, Shigenori Otsuka, Shunji Kotsuki, Koji Terasaki, Atsushi Okazaki, Hirofumi Tomita, Ying-Wen Chen, Kaya Kanemaru, Masaki Satoh, Hisashi Yashiro, Kozo Okamoto, Eugenia Kalnay, Takuji Kubota, and Misako Kachi ‘Advances and applications of satellite data assimilation of clouds, precipitation, and the ocean’, Asia Oceania Geosciences Society 2023, Singapore, Aug. 2023
Ohishi, Shun, Takemasa Miyoshi, and Misako Kachi ‘LETKF-based Ocean Research Analysis (LORA): A new ensemble ocean analysis dataset’, 14th Data Assimilation workshop, Kobe, Aug. 2023
■International conference (poster)
Ohishi, Shun, Shusaku Sugimoto, and Kimio Hanawa, ‘Low-frequency SST variability in the Indian Ocean’, Global Center of Education, Miyagi, Sep. 2012
Ohishi, Shun, Shusaku Sugimoto, and Kimio Hanawa, ‘Low-frequency variations of the zonal dipole sea surface temperature pattern in the South Indian Ocean’, Japan Geoscience Union Meeting 2013, Chiba, May. 2013
Ohishi, Shun, Shusaku Sugimoto, and Kimio Hanawa, ‘Interannual intensity and longitudinal position variations of Mascarene High in austral summer and their relation to SST in the South Indian Ocean’, 2014 Ocean Sciences Meeting, Hawaii, Feb. 2014
Ohishi, Shun, Shusaku, Sugimoto, and Kimio Hanawa, ‘Zonal movement of Mascarene High in austral summer’, 2014 AGU Fall Meeting, San Francisco, Dec. 2014
Ohishi, Shun, Shusaku Sugimoto, and Kimio Hanawa, 'Zonal movement of Mascarene High in austral summer', 6th ISAJ Symposium on Recent Advances in Science and Technology, Tokyo, Dec. 2015
Ohishi, Shun, Tomoki Tozuka, and Nobumasa Komori, 'Frontolysis by surface heat flux in the Agulhas Return Current region with a focus on mixed layer processes', CLIVAR Open Science Conference, Qingdao, Sep. 2016
Ohishi, Shun, Tomoki Tozuka, and Nobumasa Komori, 'Frontolysis by surface heat flux in the Agulhas Return Current region with a focus on mixed layer processes', Symposium on Past, Present, Future of Preceding Ocean and Climate Variability, Tokyo, Jan. 2017
Ohishi, Shun, Tsutomu Hihara, Hidenori Aiki, Joji Ishizaka, Yasumasa Miyazawa, and Misako Kachi, ‘An LETKF-based ocean reanalysis for the Asia Oceania region using Himawari-8 SSTs’, Joint PI Meeting of Global Environment Observation Mission FY2017, Tokyo, Jan. 2018
Ohishi, Shun, Tomoki Tozuka, and Meghan F. Cronin, ‘Frontogenesis in the Agulhas Return Current region simulated by a high-resolution CGCM’, 2018 Ocean Sciences Meeting, Portland, Feb. 2018, Invited poster
Ohishi, Shun, Tsutomu Hihara, Hidenori Aiki, Joji Ishizaka, Yasumasa Miyazawa, and Misako Kachi ‘Investigation of Himawari-8 SSTs for oceanic data assimilation off Thailand/Vietnam’, 2018 Ocean Sciences Meeting, Portland, Feb. 2018
Ohishi, Shun, and Hidenori Aiki 'Frontolysis in the Japan Sea using observational dataset with a focus on mixed layer processes', JpGU Meeting 2018, Chiba, May. 2018
Ohishi, Shun, Tsutomu Hihara, Hidenori Aiki, Joji Ishizaka, Yasumasa Miyazawa, and Misako Kachi, ‘An LETKF-based ocean reanalysis for the Asia-Oceania region using Himawari-8 SSTs’, The Joint PI Meeting of JAXA Earth Observation Missions FY2018, Tokyo, Jan. 2018
Ohishi, Shun, Shota Katsura, and Hidenori Aiki ‘Salinity frontogenesis/frontolysis in the northeastern subtropical Pacific region’, 4th International Joint Workshop on Computationally-Intensive Modelling of the Climate System and 9th OFES International Workshop, Fukuoka, Feb. 2019
Ohishi, Shun, Tsutomu Hihara, Hidenori Aiki, Joji Ishizaka, Yasumasa Miyazawa, and Misako Kachi, ‘An LETKF-based ocean reanalysis for the Asia-Oceania region using Himawari-8 SSTs and SMOS/SMAP SSS’, The Joint PI Meeting of JAXA Earth Observation Missions FY2019, Tokyo, Jan. 2020
Ohishi, Shun, Tsutomu Hihara, Hidenori Aiki, Joji Ishizaka, Yasumasa Miyazawa, and Misako Kachi, ‘An LETKF-based ocean reanalysis for the Asia-Oceania region using Himawari-8 SSTs and SMOS/SMAP SSS’, Ocean Sciences Meeting 2020, San Diego, Feb. 2020
Ohishi, Shun, Tsutomu Hihara, Hidenori Aiki, Joji Ishizaka, Yasumasa Miyazawa, Misako Kachi, and Takemasa Miyoshi, ‘Development of an ensemble Kalman filter-based regional ocean data assimilation system’, JpGU-AGU Joint Meeting 2020, Online, Jul. 2020
Ohishi, Shun, Tsutomu Hihara, Hidenori Aiki, Joji Ishizaka, Yasumasa Miyazawa, Misako Kachi, and Takemasa Miyoshi ‘Development of an ensemble Kalman filter-based regional ocean data assimilation system’, The 3rd R-CCS International Symposium, Online, Feb. 2021
Ohishi, Shun, Tsutomu Hihara, Hidenori Aiki, Joji Ishizaka, Yasumasa Miyazawa, Misako Kachi, and Takemasa Miyoshi ‘Fusion of high-frequency satellite observations and ocean simulation’, OIST-RIKEN Joint Symposium, Series 1, Okinawa, April 2021
Ohishi, Shun, Takemasa Miyoshi, and Misako Kachi ‘LETKF-based ocean research analysis in the Western North Pacific and Maritime Continent regions’, The Joint PI Meeting of JAXA Earth Observation Missions FY 2021, Online, January 2022
Ohishi, Shun, Takemasa Miyoshi, and Misako Kachi ‘Improving the salinity structure by AOEI in an EnKF-based ocean data assimilation system’, The 4th R-CCS International Symposium, Online, Feb. 2022
Ohishi, Shun, Takemasa Miyoshi, and Misako Kachi ‘LETKF-based Ocean Research Analysis (LORA): Assimilating high-frequency satellite observations’, Joint Workshop of the OS-Eval TT and CP-TT and SynObs Kick-Off, Tsukuba, Nov. 2022
Ohishi, Shun, Takemasa Miyoshi, and Misako Kachi ‘LETKF-based Ocean Research Analysis (LORA)’, The 5th R-CCS International Symposium, Kobe, Feb. 2023
Ohishi, Shun, Takemasa Miyoshi, and Misako Kachi ‘Impact of atmospheric forcing on SST biases in the LETKF-based Ocean Research Analysis (LORA)’, Japan Geoscience Union Meeting 2023, Chiba, May 2023
■Journal referee
Frontiers in Marine Science
International Journal of Remote Sensing Letters
Journal of Climate
Journal of Geophysical Research: Atmosphere
Journal of Geophysical Research: Ocean
Journal of Oceanography
Ocean Modelling
Oceanologia
Remote Sensing of Environment