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Turbulent bottom Ekman boundary layer measured over a continental shelf
http://hdl.handle.net/10069/24671
http://hdl.handle.net/10069/246719af99900-b961-442f-afe2-693fe5e4ef42
名前 / ファイル | ライセンス | アクション |
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GRL37_15605.pdf (1.0 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2011-03-07 | |||||
タイトル | ||||||
タイトル | Turbulent bottom Ekman boundary layer measured over a continental shelf | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Yoshikawa, Yutaka
× Yoshikawa, Yutaka× Endoh, Takahiro× Matsuno, Takeshi× Wagawa, Taku× Tsutsumi, Eisuke× Yoshimura, Hiroshi× Morii, Yasuhiro |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | An acoustic Doppler current profiler was deployed in summer and autumn in 2007-2009 at two stations on the East China Sea shelf. Clear velocity spirals that basically correspond to theoretical Ekman spirals were identified for both mean and tidal currents. From these spirals and the corresponding Ekman equation, we estimated the time-averaged eddy viscosity () profiles. The estimate dμ was largest (2-3 × 10-3 m2 s -1) around 5 m from the bottom and decreased almost exponentially with height. A qualitatively similar profile of the eddy diffusivity was also inferred from the acoustic Doppler current profiler data and microstructure profiler data. The flux Richardson number was estimated as 0.11±0.10 ∼ 0.46 0.17, indicating relatively large buoyancy contribution to the turbulent kinetic energy budget. | |||||
内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Yoshikawa, Y., Endoh, T., Matsuno, T., Wagawa, T., Tsutsumi, E., Yoshimura, H., Morii, Y. , (2010), Turbulent bottom Ekman boundary layer measured over a continental shelf , Geophysical Research Letters, 37(15), L15605, DOI:10.1029/2010GL044156. To view the published open abstract, go to http://dx.doi.org and enter the DOI. |
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書誌情報 |
Geophysical Research Letters 巻 37, 号 15, p. L15605, 発行日 2010-08-12 |
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出版者 | ||||||
出版者 | American Geophysical Union | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 00948276 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00657102 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1029/2010GL044156 | |||||
権利 | ||||||
権利情報 | An edited version of this paper was published by AGU. Copyright 2010 American Geophysical Union | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
引用 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Geophysical Research Letters, 37(15), L15605; 2010 |