2010 Fiscal Year Final Research Report
Direct measurements and diagnosis of mixed layer formation process in the inter-frontal zone between the Kuroshio Extension and the Subarctic Front.
| Project/Area Number |
19340140
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Meteorology/Physical oceanography/Hydrology
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| Research Institution | Fisheries Research Agency |
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Principal Investigator |
ITO Shin-Ichi Fisheries Research Agency, 混合域海洋環境部, 室長 (00371790)
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| Co-Investigator(Kenkyū-buntansha) |
UEHARA Kazuyuki 東海大学, 海洋学部・海洋学科, 准教授 (90371939)
KAMACHI Masafumi 気象庁気象研究所, 海洋研究部, 部長 (00354548)
NAKANO Toshiya 気象庁気象研究所, 海洋研究部, 主任研究官 (40354550)
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| Project Period (FY) |
2007 – 2010
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| Keywords | 海洋混合層 / モード水形成 / 大気海洋相互作用 / 係留系 / 北西太平洋 |
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| Research Abstract |
Water property in mixed layer during winter, which had been difficult to be measured because of rough sea conditions, were directly observed by a profiling buoy which is unreeled and reeled from an underwater winch set at 220 m depth in the in the inter-frontal zone between the Kuroshio Extension and the Subarctic Front. The mixed layer depth showed the maximum in April and became deeper than 220 m. When the mixed layer became deeper, both temperature and salinity increased. This result suggests that supply of warm and saltier water from the Kuroshio Extension through a quasi-steady jet are essential to the formation of the deep mixed layer.
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[Journal Article] Application of an automatic approach to calibrate the NEMURO nutrient-phytoplanktonzooplankton food web model in the Oyashio region2010
Author(s)
Ito S., N.Yoshie, T.Okunishi, T.Ono, Y.Okazaki, A.Kuwata, T., Hashioka, K.A.Rose, B.A.Megrey, M.J.Kishi, M.Nakamachi, Y.Shimizu, S.Kakehi, H.Saito, K.Takahashi, K.Tadokoro, A.Kusaka, H.Kasai
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Journal Title
Progress in Oceanography 87
Pages: 186-200
Peer Reviewed
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[Journal Article] Status and trends of the Oyashio region 2003-20082010
Author(s)
Chiba S., T.Hirawake, S.Ishizaki, S.Ito, H.Kmiya, M.Kaeriyama, A.Kuwata, T.Midorikawa, S.Minobe, S.Okamoto, Y.Okazaki, T.Ono, H.Saito, S.Saitoh, D.Sasano, K.Tadokoro, K.Takahashi, Y.Takatani, Y.Watanabe, Y.W.Watanabe, Y.Watanuki, O.Yamanura, N. Yamashita A.Yatsu
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Journal Title
PICES Special Publication 4
Pages: 300-329
Peer Reviewed
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