JAMSTEC > JAMSTEC Researchers Database > Hiromichi Igarashi

JAMSTEC Researchers Database

  • Hiromichi Igarashi
Department
Research Institute for Value-Added-Information Generation (VAiG)　Center for Earth Information Science and Technology (CEIST)　Data Synthesis and Fusion Analysis Research Group　Group Leader
Career
Resercher

Profile

Speciality

Research Achievement

Peer reviewed publications (Belonging to JAMSTEC)

  • Taro Ichii, Hiromichi Igarashi, Mao Mori , Kedarnath Mahapatra , Haruka Nishikawa ,Takehiro Okuda. Impact of the climate regime shift around 2000 on recruitment of Antarctic krill at the Antarctic Peninsula and South Georgia. PROGRESS IN OCEANOGRAPHY, 2023, 213, doi: 10.1016/j.pocean.2023.103020
  • 五十嵐弘道. 海況モデルを活用した漁場推定-日本近海とインドネシアの事例- 第4回海と漁業と生態系に関する研究集会　海洋モデルデータの水産・海洋研究への活用. 水産海洋研究, 2022, 86, 2, p. 75-76
  • 石崎　廣・五十嵐　弘道・荒井　頼子・蒲地　政文・石川　洋一・齊藤　誠一. 「ひまわり」及び「しきさい」衛星の海面水温とクロロフィルa データに対するヒストグラム解析に基づくフロント検出法の適用 : 初期平滑化の重要性. 北大水産紀要, 2021, 60, 1, p. 1-31, doi: 10.14943/mem.fish.60.1
  • 齊藤誠一、高橋文宏、五十嵐弘道. 水産分野におけるリモートセンシング利用の現状・課題・展望. 日本リモートセンシング学会誌, 2021, 41, 2, p. 189-199, doi: 10.11440/rssj.41.189
  • 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
  • Taro Ichii, Haruka Nishikawa, Kedarnath Mahapatra, Hiroshi Okamura, Hiromichi Igarashi, Mitsuo Sakai, Satoshi Suyama, Masayasu Nakagami, Miyako Naya, Norihisa Usui, Yoshihiro Okada. Oceanographic factors affecting interannual recruitment variability of Pacific saury (Cololabis saira) in the central and western North Pacific.. FISHERIES OCEANOGRAPHY, 2018, 27, 5, p. 445-457, doi: 10.1111/fog.12265
  • 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
  • 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. 日本の海洋データ同化研究－：20年間の功績と今後の展望－. 海の研究, 2017, 26, 2
  • Taro Ichii, Haruka Nishikawa , Hiromichi Igarashi , H. Okamura , K. Mahapatra , Mitsuo Sakai , T. Wakabayashi , Denzo Inagake , Y. Okada. Impacts of extensive driftnet fishery and late 1990s climate regime shift on dominant epipelagic nekton in the Transition Region and Subtropical Frontal Zone: Implications for fishery management. Progress in Oceanography, 2017, 150, p. 35-47, doi: 10.1016/j.pocean.2015.03.007
  • 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
  • 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
  • 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
  • Yoshiki Kato, Mitsuo Sakai, Masachika Masujima, Makoto Okazaki, Hiromichi Igarashi, Shuhei Masuda, Toshiyuki Awaji. Effects of hydrographic conditions on the transport of neon flying squid Ommastrephes bartramii larvae in the North Pacific Ocean. Hidrobiologica, 2014, 24, 1, p. 33-38
  • 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, 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
  • Suguru OKAMOTO, Hidetada KIYOFUJI, Mitsuhiro TAKEI, Hiromu FUKUDA, Yoichi ISHIKAWA, Hiromichi IGARASHI, Shuhei MASUDA, Nozomi SUGIURA. アーカイバルタグデータに基づいた冬季北太平洋亜熱帯海域での カツオ当歳魚の鉛直遊泳行動と生息環境. Bull. Jpn. Soc. Fish. Oceanogr, 2013, 73, 3, p. 155-163
  • 五十嵐 弘道,淡路 敏之,蒲地 政文,石川 洋一,杉浦 望実,増田 周平,土居 知将,碓氷 典久,藤井 陽介,豊田 隆寛,日吉 善久,佐々木 祐二,齊藤 誠一,酒井 光夫,加藤 慶樹,佐藤 晋一. 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. 土木学会論文集G（環境）, 2011, 67, 5, p. 9-15
  • TOYODA TAKAHIRO , Awaji Toshiyuki , Sugiura Nozomi , Masuda Shuhei , Igarashi Hiromichi , Sasaki Yuji , Hiyoshi Yoshihisa , Ishikawa Yoichi , Mochizuki Takashi , Sakamoto Takashi T , Tatebe Hiroaki , KOMURO YOSHIKI , Suzuki Tatsuo , Nishimura Teruyuki , Mori Masato , Chikamoto Yoshimitsu , Yasunaka Sayaka , Imada Yukiko , Arai Miki , Watanabe Masahiro , Shiogama Hideo , Nozawa Toru , Hasegawa Akira , Ishii Masayoshi , Kimoto Masahide. Impact of the Assimilation of Sea Ice Concentration Data on an Atmosphere-Ocean-Sea Ice Coupled Simulation of the Arctic Ocean Climate. SOLA, 2011, 7, p. 37-40
  • 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
  • SHUHEI MASUDA , TOSHIYUKI AWAJI, NOZOMI SUGIURA, JOHN PHILIP MATTHEWS, TAKAHIRO TOYODA, YOSHIMI KAWAI, TOSHIMASA DOI, SHINYA KOUKETSU, HIROMICHI IGARASHI, KATSURO KATSUMATA, HIROSHI UCHIDA, TAKESHI KAWANO, AND MASAO FUKASAWA. Simulated Rapid Warming of Abyssal North Pacific Waters. SCIENCE, 2010, 329, 5989, p. 319-322, doi: 10.1126/science.1188703
  • TAKAHIRO TOYODA , Shuhei Masuda , Nozomi Sugiura , Takashi Mochizuki , Hiromichi Igarashi , Masafumi Kamachi , Yoichi Ishikawa , Toshiyuki Awaji. 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 Nino.. Deep-Sea Research, Part I-Oceanographic Research Papers, 2009, 56, 4, p. 495-512
  • NOZOMI SUGIURA , Toshiyuki Awaji , Shuhei Masuda , Takashi Mochizuki , Takahiro Toyoda , Toru Miyama , Hiromichi Igarashi , Yoichi Ishikawa. Development of a four-dimensional variational coupled data assimilation system for enhanced analysis and prediction of seasonal to interannual climate variations. Journal of Geophysical Research, 2008, 113, C10017, doi: 10.1029/2008JC004741
  • Takashi Mochizuki , Hiromichi Igarashi , Nozomi Sugiura , Shuhei Masuda , Nobuhiro Ishida , Toshiyuki Awaji. Improved Coupled GCM Climatologies for Summer Monsoon Onset Studies over Southeast Asia. Geophysical Research Letters, 2007, 34, L01706, doi: 10.1029/2006GL027861