Research Institute for Value-Added-Information Generation (VAiG) Center for Earth Information Science and Technology (CEIST) Director
Other
General Project Team for SIP Project Team for System Development of Marine Environmental Impact Assesment
Advanced Institute for Marine Ecosystem Change Research Division Marine-Earth System Analytics Unit
Career
Principal Researcher
Profile
Speciality
Research Achievement
Peer reviewed publications (Belonging to JAMSTEC)
Yuma Kawakami, Hideyuki Nakano, Shogo Urakawa, Takahiro Toyoda, Kei Sakamoto, Shiro Nishikawa, Toru Sugiyama, Masao Kurogi, Yoichi Ishikawa, Katsunari Sato, Goro Yamanaka. Future changes in marine heatwaves based on high-resolution ensemble projections for the northwestern Pacific Ocean. JOURNAL OF OCEANOGRAPHY, 2024, doi: 10.1007/s10872-024-00714-y
Hiroyuki Tsujino, Hideyuki Nakano, Kei Sakamoto, Shogo Urakawa, Katsuya Toyama, Naohiro Kosugi, Yoshiteru Kitamura, Masao Ishii, Shiro Nishikawa, Haruka Nishikawa, Toru Sugiyama, Yoichi Ishikawa. Impact of increased horizontal resolution of an ocean model on carbon circulation in the North Pacific Ocean. Journal of Advances in Modeling Earth Systems, 2024, 16, 1, doi: 10.1029/2023MS003720
H. Kawase, M. Nosaka, S. I. Watanabe, K. Yamamoto, T. Shimura, Y. Naka, Y.-H. Wu, H. Okachi, T. Hoshino, R. Ito, S. Sugimoto, C. Suzuki, S. Fukui, T. Takemi, Y. Ishikawa, N. Mori, E. Nakakita, T. J. Yamada, A. Murata, T. Nakaegawa, I. Takayabu. Identifying robust changes of extreme precipitation in Japan from large ensemble 5-km-grid regional experiments for 4K warming scenario. JOURNAL OF GEOPHYSICAL RESEARCH - Atmospheres, 2023, 128, p. e2023JD038513, doi: 10.1029/2023JD038513
Shaw, R., Y. Luo, T.S. Cheong, S. Abdul Halim, S. Chaturvedi, M. Hashizume, G.E. Insarov, Y. Ishikawa, M. Jafari, A. Kitoh, J. Pulhin, C. Singh, K. Vasant, and Z. Zhang,. Asia. In: Climate Change 2022: Impacts, Adaptation and Vulnerability.Contribution of Working Group II to the Sixth Assessment Report of the Intergovernmental Panel on Climate Change. Cambridge University Press,, 2022, p. 1457-1579, doi: 10.1017/9781009325844.012.
T Yutani, O Yono, T. Kuwatani(責任著者), D Matsuoka, J Kaneko, M Hidaka, T Kasaya, Y Kido, Y Ishikawa, T Ueki, E Kikawa. Super-Resolution and Feature Extraction for Ocean Bathymetric Maps Using Sparse Coding. SENSORS, 2022, 22, 9, p. 1-13, doi: 10.3390/s22093198
Goro Yamanaka, Hideyuki Nakano, Kei Sakamoto, Takahiro Toyoda, Shogo Urakawa, Shiro Nishikawa, Tsuyoshi Wakamatsu, Hiroyuki Tsujino, Yoichi Ishikawa. Projected climate change in the western North Pacific at the end of the 21st century from ensemble simulations with a high‑resolution regional ocean model. JOURNAL OF OCEANOGRAPHY, 2021, 77, p. 539-560, doi: 10.1007/s10872-021-00593-7
Shiro Nishikawa, Tsuyoshi Wakamatsu, Hiroshi Ishizaki, Kei Sakamoto, Yusuke Tanaka, Hiroyuki Tsujino, Goro Yamanaka, Masafumi Kamachi, Yoichi Ishikawa. Development of high-resolution future ocean regional projection datasets for coastal applications in Japan. Progress in Earth and Planetary Science, 2021, 8, 7, doi: 10.1186/s40645-020-00399-z
Robinson Mugo, Sei-Ichi Saitoh, Hiromichi Igarashi, Takahiro Toyoda, Shuhei Masuda, Toshiyuki Awaji, Yoichi Ishikawa. Identification of skipjack tuna (Katsuwonus pelamis) pelagic hotspots applying a satellite remote sensing-driven analysis of ecological niche factors: A short-term run. PLoS One, 2020, 15, 8, p. 1-25, doi: 10.1371/journal.pone.0237742
Haruka Nishikawa, Shiro Nishikawa, Hiroshi Ishizaki, Tsuyoshi Wakamatsu, Yoichi Ishikawa. Detection of the Oyashio and Kuroshio fronts under the projected climate change in the 21st century. Progress in Earth and Planetary Science, 2020, 7, 29, doi: 10.1186/s40645-020-00342-2
Misako Matsuba; Yusuke Tanaka; Takehisa Yamakita; Yoichi Ishikawa; Katsunori Fujikura. Estimation of tsunami debris on seafloors towards future disaster preparedness: Unveiling spatial varying effects of combined land use and oceanographic factors. MARINE POLLUTION BULLETIN, 2020, 157, doi: 10.1016/j.marpolbul.2020.111289
Yujin Nakagawa, Yosuke Onoue, Shintaro Kawahara, Fumiaki Araki, Koji Koyamada, Daisuke Matsuoka, Yoichi Ishikawa, Mikiko Fujita, Shiori Sugimoto, Yasuko Okada, Sho Kawazoe, Shingo Watanabe, Masayoshi Ishii, Ryo Mizuta, Akihiko Murata, Hioroaki Kawase. Development of a system for efficient content-based retrieval to analyze large volumes of climate data. Progress in Earth and Planetary Science, 2020, 7, p. 1-10, doi: 10.1186/s40645-019-0315-9
Osamu Saito, Chiho Kamiyama, Shizuka Hashimoto, Takanori Matsui, Kikuko Shoyama, Kei Kabaya, Tomoko Uetake, Hisatomo Taki, Yoichi Ishikawa, Kyohei Matsushita, Fumihiro Yamane, Juri Hori, Toshinori Ariga, Kazuhiko Takeuchi. Co-design of national-scale future scenarios in Japan to predict and assess natural capital and ecosystem services. Sustainability Science, 2018, 14, 1, p. 5-21, doi: 10.1007/s11625-018-0587-9
Hideyuki Kawamura, Akiko Furuno, Takuya Kobayashi, Teiji In, Tomoharu Nakayama, Yoichi Ishikawa, Yasumasa Miyazawa, NorihisaUsui. Oceanic dispersion of Fukushima-derived Cs-137 simulated by multiple oceanic general circulation models. JOURNAL OF ENVIRONMENTAL RADIOACTIVITY, 2017, 180, 12, p. 36-58
Hiromichi Igarashi, Sei-Ichi Saitoh, Yoichi Ishikawa, Masafumi Kamachi, Norihisa Usui, Mitsuo Sakai, Yutaka Imamura. Identifying potential habitat distribution of the neon flying squid (Ommastrephes bartramii) off the eastern coast of Japan in winter. FISHERIES OCEANOGRAPHY, 2017, 27, 1, p. 16-27, doi: 10.1111/fog.12230
Hiromichi Igarashi, Taro Ichii, Mitsuo Sakai, Yoichi Ishikawa, Takahiro Toyoda, Shuhei Masuda, Nozomi Sugiura, Kedarnath Mahapatra, Toshiyuki Awaji. Possible link between interannual variation of neon flying squid (Ommastrephes bartramii) abundance in the North Pacific and the climate phase shift in 1998/1999. Progress in Oceanography, 2017, 150, p. 20-34, doi: 10.1016/j.pocean.2015.03.008
Wataru Sasaki, Ryo Onishi, Hiromitsu Fuchigami, Koji Goto, Shiro Nishikawa, Yoichi Ishikawa, Keiko Takahashi. MJO simulation in a cloud-system-resolving ocean-atmosphere coupled model. Geophysical Research Letters, 2016, 43, 17, p. 9352-9360, doi: 10.1002/2016GL070550
石川洋一、田中裕介、若松剛. 沿岸域のデータ同化の実用化にむけて. 沿岸海洋研究, 2016, 54, 1, p. 57-62
Xueyuan Liu, Armin Köhl, Detlef Stammer, Shuhei Masuda, Yoichi Ishikawa, Takashi Mochizuki. Impact of in-consistency between the climate model and its initial conditions on climate prediction. Clim. Dym., 2016, p. 1-15, doi: DOI 10.1007/s00382-016-3194-4
Mochizuki, T., S. Masuda, Y. Ishikawa, and T. Awaji. Multiyear climate prediction with initialization based on 4D-Var data assimilation. Geophysical Research Letters, 2016, 43, doi: 10.1002/2016GL067895
S. Masuda, Matthews J P, Y. Ishikawa, Mochizuki Takashi,tanaka yuusuke , A. Awaji. A new Approach to El Nino Prediction beyond the Spring Season. Scientific Reports, 2015, 5, p. 1-9, doi: 10.1038/srep16782
Toyoda Takahiro, Sugiura Nozomi, Masuda S., Sasaki Y., Igarashi Hiromichi, Ishikawa Y., Hatayama takaki,Kawano T., Kawai Y., Koketsu shinya, Katsumata Katsuro, Uchida Hiroshi, Doi Toshimasa, Fukasawa M., Awaji T.. An improved simulation of the deep Pacific Ocean using optimally-estimated vertical diffusivity based on the Green's function method. Geophys. Res. Lett., 2015, 42, 22, p. 9916-9924, doi: 10.1002/2015GL065940
Yoichi Ishikawa, Teiji In, Satoshi Nakada, Kei Nishina, Hiromichi Igarashi, Yoshimasa Hiyoshi, Yuji Sasaki, Tsuyoshi Wakamats, Toshiyuki Awaji. Variational data assimilation system with nesting model for high resolution ocean circulation. Fluid Dynamics Resarch, 2015, 47, 5, doi: 10.1088/0169-5983/47/5/051401
Yang Liu, Sei-Ichi Saitoh, Yu Ihara, Satoshi Nakada, Makoto Kanamori, Xun Zhang, Katsuhisa Baba, Yoichi Ishikawa, and Toru Hirawake. Development of a three-dimensional growth prediction model for the Japanese scallop in Funka Bay, Japan, using OGCM and MODIS. ICES Journal of Marine Science, 2015, 72, 9, p. 2684-2699
Toyoda T., Fujii Y., Kuragano T., Kosugi N., Sasano D., Kamachi M., Ishikawa Y., Masuda S., Sato K., Awaji T., Hernandez F., Ferry N., Guinehut S, Martin M., Peterson K. A., Good S. A., Valdivieso M., Haines K., Storto A., Masina S., Kohl A., Yin Y., Shi L., Alves O., Smith G., Chang Y.-S., Vernieres G., Wang X., Forget G., Heimbach P., Wang O., Fukumori I.,Lee T., Zuo H., Balmaseda M. A.. Interannual-decadal variability of wintertime mixed layer depths in the North Pacific detected by an ensemble of ocean syntheses. CLIMATE DYNAMICS, 2015, 45, p. 1-17, doi: 10.1007/s00382-015-2762-3
石川洋一、淡路敏之. 気候変動に伴う水産資源・海況変動予測技術の革新と実利用化. 日本シミュレーション学会誌, 2015, 34, 2, p. 44-48
M. A. Balmaseda, F. Hernandez, A. Storto, M. D. Palmer, O. Alves, L. Shi, G. C. Smith, T. Toyoda, M. Valdivieso, B. Barnier, D. Behringer, T. Boyer, Y-S. Chang, G. A. Chepurin, N. Ferry, G. Forget, Y. Fujii, S. Good, S. Guinehut, K. Haines, Y. Ishikawa, S. Keeley, A. Köhl, T. Lee, M. Martin, S. Masina, S. Masuda, B. Meyssignac, K. Mogensen, L. Parent, K. A. Peterson, Y. M. Tang, Y. Yin, G. Vernieres, X. Wang, J. Waters, R. Wedd, O. Wang, Y. Xue, M. Chevallier, J-F. Lemieux, F. Dupont, T. Kuragano, M. Kamachi, T. Awaji, A. Caltabiano , K. Wilmer-Becker, F. Gaillard. The Ocean Reanalyses Intercomparison Project (ORA-IP). Journal of Operational Oceanography, 2015, 8, 1, p. 80-97, doi: 10.1080/1755876X.2015.1022329
Toyoda T., Fujii Y., Kuragano T., Kamachi M., Yoichi Ishikawa, Shuhei Masuda, 佐藤佳奈子, Awaji T., Hernandez F., Ferry N., Guinehut S, Martin M., Peterson K. A., Good S. A., Valdivieso M., Haines K., Storto A., Masina S., Kohl A., Zuo H., Balmaseda M. A., Yin Y., Shi L., Alves O., Smith G., Chang Y.-S., Vernieres G., Wang X., Forget G., Heimbach P., Wang O., Fukumori I.,Lee T.. Intercomparison and validation of the mixed layer depth fields of global ocean syntheses. Clim. Dyn., 2015, 45, p. 1-21, doi: 10.1007/s00382-015-2637-7
Haruka Nishikawa, Takahiro Toyoda, Shuhei Masuda, Yoichi Ishikawa, Yuji Sasaki, Hiromichi Igarashi, Mitsuo Sakai, Masaki Seito and Toshiyuki Awaji. Wind-induced stock variation of the neon flying squid (Ommastrephes bartramii) winter-spring cohort in the subtropical North Pacific Ocean. Fisheries Oceanography, 2015, 24, 3, p. 220-241, doi: 10.1111/fog.12106
Shiro Nishikawa, Yoichi Ishikawa, Shuhei Masuda, Yoshihisa Hiyoshi, Yuji Sasaki, Hiromichi Igarashi. Argo data assimilation and its effect on climate state estimation and forecasting in the western North Pacific using a coupled model. Journal of Geophysical Research - Oceans, 2015, 120, 4, p. 2636-2654, doi: 10.1002/2014JC010095
Takuya Kobayashi, Teiji In ,Yoichi Ishikawac. Development of ocean dispersion concentration maps of the contaminated water released from the Fukushima Dai-ichi Nuclear Power Plant. Journal of Nuclear Science and Technology, 2015, 52, doi: 10.1080/00223131.2015.1011720
satoshi nakada, katsuhisa baba, masatoshi sato, masafuji natsuike, yoichi ishikawa, toshiyuki awaji, koji koyamada, seiichi saitoh. The role of snowmelt runoff on the ocean environment and scallop production in Funka Bay, Japan. Progress in Earth and Planetary Science, 2014, 1, doi: 10.1186/s40645-014-0025-2
HARUKA NISHIKAWA, HIROMICHI IGARASHI, YOICHI ISHIKAWA, MITSUO SAKAI, YOSHIKI KATO, MASAHITO EBINA, NORIHISA USUI, MASAFUMI KAMACHI,TOSHIYUKI AWAJI. Impact of paralarvae and juveniles feeding environment on the neon flying squid (Ommastrephes bartramii) winter-spring cohort stock. Fisheries Oceanography, 2014, 23, 4, p. 289-303, doi: 10.1111/fog.12064
五十嵐 弘道, 淡路 敏之, 石川 洋一, 蒲地 政文, 碓氷 典久, 酒井 光夫, 加藤 慶樹, 齊藤 誠一, 清藤 真樹. 海洋再解析データを用いたアカイカ好適生息域モデルの構築とその利用 -RECCAアカイカプロジェクトの事例-. JAMSTEC Report of Research and Development, 2014, 18, p. 89-101
日吉 善久,石川 洋一,西川 史朗,増田 周平,五十嵐 弘道,佐々木 祐二. 4次元変分法による大気海洋結合再解析データ作成のための周辺システムの構築と応用展開. JAMSTEC Report of Research and Development, 2014, 18
Toyoda T, Fujii Y, Kuragano T, Kamachi M, Ishikawa Y, Masuda S, Awaji T, Hernandez F, Ferry N, Guinehut S, Martin M, Peterson KA, Good S, Valdivieso M, Haines K, Storto A, Kohl A, Yin Y, Shi L, Smith G,Chang Y, Vernieres G, Wang X, Wang O, Lee T, Balmaseda M. Mixed layer depth intercomparison among global ocean syntheses reanalyses.. CLIVAR EXCHANGES, 2014, 19, 64, p. 22-24
N. Sugiura, S. Masuda, Y. Fujii, M. Kamachi, Y. Ishikawa, and T. Awaji. A framework for interpreting regularized state estimation. Monthly Weather Review, 2014, 142, p. 386-400, doi: 10.1175/MWR-D-12-00231.1
Toyoda, Awaji, S. Masuda, N. Sugiura, H. Igarashi, Y. Sasaki, Y. Hiyoshi, Y. Ishikawa, S.-I. Saitoh, S. Yoon, T. In, M.J. Kishi. Improved state estimations of lower trophic ecosystems in the global ocean based on a Green's function approach. Progress in Oceanography, 2013, 119, p. 90-107, doi: 10.1016/j.pocean.2013.08.008
Kosuke Ito, Takuya Kawabata, Teruyuki Kato, Yuki Honda, Yoichi Ishikawa, Toshiyuki Awaji. Simultaneous optimization of air-sea exchange coefficients and initial condition near a tropical cyclone with JNoVA. Journal of the Meteorological Society of Japan., 2013, 91, 3, p. 337-353
Matthews John J P, Aiki Hidenori, Masuda Shuhei, Awaji Toshiyuki, Ishikawa Yoichi. Monsoon regulation of Lombok Strait internal waves. J. Geophys. Res.-Oceans, 2011, 116, doi: 10.1029/2010JC006403
Hiromichi Igarashi, Toshiyuki Awaji, Takahiro Toyoda, Shuhei Masuda, Nozomi Sugiura, Yuji Sasaki, Yoshihisa Hiyoshi, Mitsuo Sakai, Taro Ichii, Yoichi Ishikawa. An Optimal Synthesis of Observations and Models by Data Assimilation: Applications to Climate Analysis and Fishery Assessment. IEEE Earthzine, 2010
T. Toyoda, T. Awaji, S. Masuda, N. Sugiura,H. Igarashi, T. Mochizuki, Y. Ishikawa. Interannual variability of North Pacific eastern subtropical mode water formation in the 1990s derived from a 4-dimensional variational ocean data assimilation experiment. Dynamics of Atmospheres and Oceans, 2010, 51, p. 1-25, doi: 10.1016/j.dynatmoce.2010.09.001