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    Storm-Forced Baroclinic Near-Inertial Currents on the Grand Bank

    Source: Journal of Physical Oceanography:;1990:;Volume( 020 ):;issue: 011::page 1725
    Author:
    Young, Brad De
    ,
    Tang, C. L.
    DOI: 10.1175/1520-0485(1990)020<1725:SFBNIC>2.0.CO;2
    Publisher: American Meteorological Society
    Abstract: Current meter data for six mouths from the Grand Bank are analyzed to study inertial currents generated by moving storms. It is found that during periods of strong winds, but no well-defined storm system, the inertial motion exhibits no simple relationship to the local wind. During intense storms inertial currents up to 0.5 m s?1 were observed both in and below the mixed layer. Upper and lower layer currents are roughly equal in amplitude, but are 180° out of phase. To explain this observation, a two-layer, one-dimensional model is developed that successfully simulates the observed inertial currents. We show that under the conditions encountered during the storms only baroclinic inertial motion can be generated. The pressure gradient effect is not important, and the current below the mixed layer is produced by mass continuity. Wavelength computed from the continuity equation is consistent with that predicted by first-order linear theory. For inertial motion generated during periods of strong wind but no cyclone, pressure gradients and barotropic response can be important and should not be neglected.
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      Storm-Forced Baroclinic Near-Inertial Currents on the Grand Bank

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4164735
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    • Journal of Physical Oceanography

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    contributor authorYoung, Brad De
    contributor authorTang, C. L.
    date accessioned2017-06-09T14:49:44Z
    date available2017-06-09T14:49:44Z
    date copyright1990/11/01
    date issued1990
    identifier issn0022-3670
    identifier otherams-27700.pdf
    identifier urihttp://onlinelibrary.yabesh.ir/handle/yetl/4164735
    description abstractCurrent meter data for six mouths from the Grand Bank are analyzed to study inertial currents generated by moving storms. It is found that during periods of strong winds, but no well-defined storm system, the inertial motion exhibits no simple relationship to the local wind. During intense storms inertial currents up to 0.5 m s?1 were observed both in and below the mixed layer. Upper and lower layer currents are roughly equal in amplitude, but are 180° out of phase. To explain this observation, a two-layer, one-dimensional model is developed that successfully simulates the observed inertial currents. We show that under the conditions encountered during the storms only baroclinic inertial motion can be generated. The pressure gradient effect is not important, and the current below the mixed layer is produced by mass continuity. Wavelength computed from the continuity equation is consistent with that predicted by first-order linear theory. For inertial motion generated during periods of strong wind but no cyclone, pressure gradients and barotropic response can be important and should not be neglected.
    publisherAmerican Meteorological Society
    titleStorm-Forced Baroclinic Near-Inertial Currents on the Grand Bank
    typeJournal Paper
    journal volume20
    journal issue11
    journal titleJournal of Physical Oceanography
    identifier doi10.1175/1520-0485(1990)020<1725:SFBNIC>2.0.CO;2
    journal fristpage1725
    journal lastpage1741
    treeJournal of Physical Oceanography:;1990:;Volume( 020 ):;issue: 011
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
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