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    The Effects of Decadal Oscillations of the Curl τ = 0 Line on Intergyre Water Exchange and Temperature Variability

    Source: Journal of Physical Oceanography:;2002:;Volume( 032 ):;issue: 010::page 2742
    Author:
    Masuda, Yoshio
    ,
    Ikeda, Motoyoshi
    DOI: 10.1175/1520-0485(2002)032<2742:TEODOO>2.0.CO;2
    Publisher: American Meteorological Society
    Abstract: The effect of meridional movement of the curl τ = 0 line on the intergyre transport is investigated by passive tracer experiments in a double gyre circulation. Furthermore, the contribution to temperature distribution is considered. The nonlinear quasigeostrophic, reduced-gravity model is employed to express a fundamental baroclinic ocean response. Parameter studies show that a decadal wind migration causes the intergyre exchange much more effectively than does an annual wind migration. The efficiency of the intergyre exchange is primarily determined by the wind migration period relative to the necessary time in which a tracer crosses the ocean basin from west to east. The meridional movement of the curl τ = 0 line can induce temperature change through two processes: 1) entrainment of subtropical (subpolar) water into the subpolar (subtropical) gyre along the eastern boundary and 2) a vertical movement of the thermocline propagating as a Rossby wave. The temperature variability is similar to the decadal temperature variability observed in the North Pacific.
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      The Effects of Decadal Oscillations of the Curl τ = 0 Line on Intergyre Water Exchange and Temperature Variability

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4167015
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    contributor authorMasuda, Yoshio
    contributor authorIkeda, Motoyoshi
    date accessioned2017-06-09T14:55:27Z
    date available2017-06-09T14:55:27Z
    date copyright2002/10/01
    date issued2002
    identifier issn0022-3670
    identifier otherams-29753.pdf
    identifier urihttp://onlinelibrary.yabesh.ir/handle/yetl/4167015
    description abstractThe effect of meridional movement of the curl τ = 0 line on the intergyre transport is investigated by passive tracer experiments in a double gyre circulation. Furthermore, the contribution to temperature distribution is considered. The nonlinear quasigeostrophic, reduced-gravity model is employed to express a fundamental baroclinic ocean response. Parameter studies show that a decadal wind migration causes the intergyre exchange much more effectively than does an annual wind migration. The efficiency of the intergyre exchange is primarily determined by the wind migration period relative to the necessary time in which a tracer crosses the ocean basin from west to east. The meridional movement of the curl τ = 0 line can induce temperature change through two processes: 1) entrainment of subtropical (subpolar) water into the subpolar (subtropical) gyre along the eastern boundary and 2) a vertical movement of the thermocline propagating as a Rossby wave. The temperature variability is similar to the decadal temperature variability observed in the North Pacific.
    publisherAmerican Meteorological Society
    titleThe Effects of Decadal Oscillations of the Curl τ = 0 Line on Intergyre Water Exchange and Temperature Variability
    typeJournal Paper
    journal volume32
    journal issue10
    journal titleJournal of Physical Oceanography
    identifier doi10.1175/1520-0485(2002)032<2742:TEODOO>2.0.CO;2
    journal fristpage2742
    journal lastpage2752
    treeJournal of Physical Oceanography:;2002:;Volume( 032 ):;issue: 010
    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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