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    Vacillations in a Coupled Ocean–Atmosphere Model

    Source: Journal of the Atmospheric Sciences:;1988:;Volume( 045 ):;issue: 003::page 549
    Author:
    Schopf, Paul S.
    ,
    Suarez, Max J.
    DOI: 10.1175/1520-0469(1988)045<0549:VIACOM>2.0.CO;2
    Publisher: American Meteorological Society
    Abstract: Results are presented from a 35-year integration of a coupled ocean-atmosphere model. Both ocean and atmosphere are two-level, nonlinear primitive equations models. The global atmospheric model is forced by a steady, zonally symmetric Newtonian heating. The ocean model is solved in a rectangular tropical basin. Heat fluxes between ocean and atmosphere are linear in air-sea temperature differences, and the interfacial stress is proportional to lower-level atmospheric winds. The coupled models produce ENSO-like variability on time scales of 3 to 5 years. Since there is no external time-dependent forcing, these are self-sustained vacillations of the nonlinear system. It is argued that the energetics of the vacillations is that of unstable coupled modes and that the time scale is crucially dependent on the effects of ocean waves propagating in a closed basin.
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      Vacillations in a Coupled Ocean–Atmosphere Model

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4155901
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    contributor authorSchopf, Paul S.
    contributor authorSuarez, Max J.
    date accessioned2017-06-09T14:28:03Z
    date available2017-06-09T14:28:03Z
    date copyright1988/02/01
    date issued1988
    identifier issn0022-4928
    identifier otherams-19750.pdf
    identifier urihttp://onlinelibrary.yabesh.ir/handle/yetl/4155901
    description abstractResults are presented from a 35-year integration of a coupled ocean-atmosphere model. Both ocean and atmosphere are two-level, nonlinear primitive equations models. The global atmospheric model is forced by a steady, zonally symmetric Newtonian heating. The ocean model is solved in a rectangular tropical basin. Heat fluxes between ocean and atmosphere are linear in air-sea temperature differences, and the interfacial stress is proportional to lower-level atmospheric winds. The coupled models produce ENSO-like variability on time scales of 3 to 5 years. Since there is no external time-dependent forcing, these are self-sustained vacillations of the nonlinear system. It is argued that the energetics of the vacillations is that of unstable coupled modes and that the time scale is crucially dependent on the effects of ocean waves propagating in a closed basin.
    publisherAmerican Meteorological Society
    titleVacillations in a Coupled Ocean–Atmosphere Model
    typeJournal Paper
    journal volume45
    journal issue3
    journal titleJournal of the Atmospheric Sciences
    identifier doi10.1175/1520-0469(1988)045<0549:VIACOM>2.0.CO;2
    journal fristpage549
    journal lastpage566
    treeJournal of the Atmospheric Sciences:;1988:;Volume( 045 ):;issue: 003
    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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