Search Results - "Usui, Norihisa"

Sea level variability along the Japanese coast forced by the Kuroshio and its extension by Usui, Norihisa, Ogawa, Koji

“…Sea level variability along the Japanese coast and its relation to the Kuroshio-Kuroshio Extension (KE) are investigated using ocean reanalysis data. The first…”
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Influence of North Pacific subtropical mode water variability on the surface mixed layer through the heaving of the upper thermocline on decadal timescales by Kobashi, Fumiaki, Usui, Norihisa, Akimoto, Nanami, Iwasaka, Naoto, Suga, Toshio, Oka, Eitarou

“…Decadal variability of the North Pacific subtropical mode water (STMW) and its influence on the upper thermocline and mixed layer are examined in a…”
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Superposition of coastal-trapped waves and Kuroshio warm water intrusions caused unusually high sea levels around the southern coasts of Japan in early September 1971 by Hirose, Nariaki, Usui, Norihisa, Sakamoto, Kei, Kohno, Nadao, Yamanaka, Goro

“…Unusually high sea level (UHSL) in early September 1971, which caused coastal flooding around the southern coasts of Japan despite no severe weather…”
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Northward shift of the Kuroshio Extension during 1993–2021 by Kawakami, Yuma, Nakano, Hideyuki, Urakawa, L. Shogo, Toyoda, Takahiro, Aoki, Kunihiro, Usui, Norihisa

“…The Kuroshio Extension (KE) flows eastward at the northern boundary of the North Pacific subtropical gyre. By transporting large amounts of seawater with heat,…”
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Unusually high sea level at the south coast of Japan in September 2011 induced by the Kuroshio by Usui, Norihisa, Ogawa, Koji, Sakamoto, Kei, Tsujino, Hiroyuki, Yamanaka, Goro, Kuragano, Tsurane, Kamachi, Masafumi

“…Using a coastal assimilation model, generation mechanism of unusually high sea level (UHSL) at the south coast of Japan in September 2011 is investigated. Both…”
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Four-dimensional variational ocean reanalysis: a 30-year high-resolution dataset in the western North Pacific (FORA-WNP30) by Usui, Norihisa, Wakamatsu, Tsuyoshi, Tanaka, Yusuke, Hirose, Nariaki, Toyoda, Takahiro, Nishikawa, Shiro, Fujii, Yosuke, Takatsuki, Yasushi, Igarashi, Hiromichi, Nishikawa, Haruka, Ishikawa, Yoichi, Kuragano, Tsurane, Kamachi, Masafumi

“…We produced a four-dimensional variational ocean re-analysis for the Western North Pacific over 30 years (FORA-WNP30). It is the first-ever dataset covering…”
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Typhoon Intensity Forecasts using TIFS with Pseudo Ocean Coupling by Yamaguchi, Munehiko, Usui, Norihisa, Hirose, Nariaki

“…Typhoon HAISHEN, Typhoon No. 10 in 2020, was weaker than forecasts as it moved north over the western coast of Kyushu. The typhoon intensity forecasting scheme…”
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Relationship of maximum tropical cyclone intensity to sea surface temperature and tropical cyclone heat potential in the North Pacific Ocean by Wada, Akiyoshi, Usui, Norihisa, Sato, Kanako

“…We investigated whether the maximum intensity of tropical cyclones (TC) in the North Pacific Ocean depends on sea surface temperature (SST) and tropical…”
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Importance of tropical cyclone heat potential for tropical cyclone intensity and intensification in the Western North Pacific by Wada, Akiyoshi, Usui, Norihisa

“…Which is more important for tropical cyclone (TC) intensity and intensification, sea surface temperature (SST) or tropical cyclone heat potential (TCHP)?…”
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Ensemble squid habitat model using three-dimensional ocean data by Alabia, Irene D., Saitoh, Sei-Ichi, Igarashi, Hiromichi, Ishikawa, Yoichi, Usui, Norihisa, Kamachi, Masafumi, Awaji, Toshiyuki, Seito, Masaki

“…Abstract Neon flying squid (Ommastrephes bartramii) is a large pelagic squid internationally harvested in the North Pacific. Here, we examined its potential…”
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Oceanic fronts and jets around Japan: a review by Kida, Shinichiro, Mitsudera, Humio, Aoki, Shigeru, Guo, Xinyu, Ito, Shin-ichi, Kobashi, Fumiaki, Komori, Nobumasa, Kubokawa, Atsushi, Miyama, Toru, Morie, Ryosuke, Nakamura, Hisashi, Nakamura, Tomohiro, Nakano, Hideyuki, Nishigaki, Hajime, Nonaka, Masami, Sasaki, Hideharu, Sasaki, Yoshi N., Suga, Toshio, Sugimoto, Shusaku, Taguchi, Bunmei, Takaya, Koutarou, Tozuka, Tomoki, Tsujino, Hiroyuki, Usui, Norihisa

“…This article reviews progress in our understanding of oceanic fronts around Japan and their roles in air–sea interaction. Fronts associated with the Kuroshio…”
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Typhoon Intensity Forecasts using TIFS with Pseudo Ocean Coupling by Yamaguchi, Munehiko, Usui, Norihisa, Hirose, Nariaki

“…Typhoon HAISHEN, Typhoon No. 10 in 2020, was weaker than forecasts as it moved north over the western coast of Kyushu. The typhoon intensity forecasting scheme…”
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Dynamics of Kuroshio path variations in a high-resolution general circulation model by Tsujino, Hiroyuki, Usui, Norihisa, Nakano, Hideyuki

“…A long‐lived (2‐year) typical large meander (LM) path of the Kuroshio is reproduced in a high‐resolution general circulation model (GCM) simulation with…”
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Numerical simulation on the long-term variation of radioactive cesium concentration in the North Pacific due to the Fukushima disaster by Kawamura, Hideyuki, Kobayashi, Takuya, Furuno, Akiko, Usui, Norihisa, Kamachi, Masafumi

“…Numerical simulations on oceanic 134Cs and 137Cs dispersions were intensively conducted in order to assess an effect of the radioactive cesium on the North…”
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Identifying Pelagic Habitat Hotspots of Neon Flying Squid in the Temperate Waters of the Central North Pacific by Alabia, Irene D, Saitoh, Sei-Ichi, Mugo, Robinson, Igarashi, Hiromichi, Ishikawa, Yoichi, Usui, Norihisa, Kamachi, Masafumi, Awaji, Toshiyuki, Seito, Masaki

“…We identified the pelagic habitat hotspots of the neon flying squid (Ommastrephes bartramii) in the central North Pacific from May to July and characterized…”
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Oceanic dispersion of Fukushima-derived Cs-137 simulated by multiple oceanic general circulation models by Kawamura, Hideyuki, Furuno, Akiko, Kobayashi, Takuya, In, Teiji, Nakayama, Tomoharu, Ishikawa, Yoichi, Miyazawa, Yasumasa, Usui, Norihisa

“…To understand the concentration and amount of Fukushima-derived Cs-137 in the ocean, this study simulated the oceanic dispersion of Cs-137 by atmospheric and…”
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Improvements to a global ocean data assimilation system through the incorporation of Aquarius surface salinity data by Toyoda, Takahiro, Fujii, Yosuke, Kuragano, Tsurane, Matthews, John P., Abe, Hiroto, Ebuchi, Naoto, Usui, Norihisa, Ogawa, Koji, Kamachi, Masafumi

“…The impact of using sea surface salinity (SSS) data derived from the Aquarius satellite within a global ocean data assimilation system is investigated. In the…”
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Identifying potential habitat distribution of the neon flying squid (Ommastrephes bartramii) off the eastern coast of Japan in winter by Igarashi, Hiromichi, Saitoh, Sei‐Ichi, Ishikawa, Yoichi, Kamachi, Masafumi, Usui, Norihisa, Sakai, Mitsuo, Imamura, Yutaka

“…Habitat suitability index (HSI) models were applied to identify the potential habitat distribution of the neon flying squid (Ommastrephes bartramii) off the…”
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Observing System Evaluation Based on Ocean Data Assimilation and Prediction Systems: On-Going Challenges and a Future Vision for Designing and Supporting Ocean Observational Networks by Fujii, Yosuke, Rémy, Elisabeth, Zuo, Hao, Oke, Peter, Halliwell, George, Gasparin, Florent, Benkiran, Mounir, Loose, Nora, Cummings, James, Xie, Jiping, Xue, Yan, Masuda, Shuhei, Smith, Gregory C., Balmaseda, Magdalena, Germineaud, Cyril, Lea, Daniel J., Larnicol, Gilles, Bertino, Laurent, Bonaduce, Antonio, Brasseur, Pierre, Donlon, Craig, Heimbach, Patrick, Kim, YoungHo, Kourafalou, Villy, Le Traon, Pierre-Yves, Martin, Matthew, Paturi, Shastri, Tranchant, Benoit, Usui, Norihisa

“…This paper demonstrates the value of Observing System Evaluation (OS-Eval) efforts which have been made or are ongoing to contribute to observing system review…”
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Effects of large-scale wind on the Kuroshio path south of Japan in a 60-year historical OGCM simulation by Tsujino, Hiroyuki, Nishikawa, Shiro, Sakamoto, Kei, Usui, Norihisa, Nakano, Hideyuki, Yamanaka, Goro

“…The effects of large-scale wind forcing on the bimodality of the Kuroshio path south of Japan, the large meander (LM) and non-large meander (NLM), were studied…”
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