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 |
Section | 一般 |
Research Field |
Meteorology/Physical oceanography/Hydrology
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Research Institution | Fisheries Research Agency |
Principal Investigator |
ITO Shin-Ichi (ITO Shin-ichi) Fisheries Research Agency, 混合域海洋環境部, 室長 (00371790)
|
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)
|
Project Period (FY) |
2007 – 2010
|
Project Status |
Completed (Fiscal Year 2010)
|
Budget Amount *help |
¥18,590,000 (Direct Cost: ¥14,300,000、Indirect Cost: ¥4,290,000)
Fiscal Year 2010: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2009: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Fiscal Year 2008: ¥7,800,000 (Direct Cost: ¥6,000,000、Indirect Cost: ¥1,800,000)
Fiscal Year 2007: ¥7,280,000 (Direct Cost: ¥5,600,000、Indirect Cost: ¥1,680,000)
|
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 / 北西大西洋 |
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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Report
(6 results)
Research Products
(58 results)
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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
Related Report
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
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Peer Reviewed
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[Journal Article]2010
Author(s)
Ito S.
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Journal Title
Global Change and Marine Ecosystems(Oxford University Press)
Pages: 287-322
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[Book] Global Change and Marine Ecosystems2010
Author(s)
Ito S., K. A. Rose, A. J. Miller, K. Drinkwater, K. M. Brander, J. E. Overland, S. Sundby, E. Curchitser, J. W. Hurrell, Y. Yamanaka
Publisher
Oxford University Press
Related Report