Oceanography in Japan
Online ISSN : 2186-3105
Print ISSN : 0916-8362
ISSN-L : 0916-8362
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Volume 32, Issue 1
Oceanography in Japan
Displaying 1-1 of 1 articles from this issue
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Review
  • Vertical turbulent nutrient transport in the western north Pacific and its marginal seas
    Takahiro Tanaka
    Article type: review-article
    2023 Volume 32 Issue 1 Pages 1-16
    Published: January 15, 2023
    Released on J-STAGE: January 15, 2023
    DOIhttps://doi.org/10.5928/kaiyou.32.1_1
    JOURNAL FREE ACCESS
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    The western North Pacific and its marginal seas are known for having the highest biological productivity in the worldʼs oceans. Although vertical turbulent mixing is considered important in transporting nutrients to maintain primary production, no research into vertical turbulent nutrient flux based on microstructure measurements has been conducted in this area. Observational and numerical studies over the continental slope in the southeastern Bering Sea indicate the relevance of vertical nitrate and iron flux induced by tidal mixing for maintaining high summer primary production. This research also suggests that the abrupt topography in the path of the Kuroshio and Tsugaru Warm Current act as a hotspot for vertical turbulent nitrate transport from the lower layer. Finally, this article discusses the future direction of nu trient flux observations.

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