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    Isopycnal and Diapycnal Mixing at the Cape Verde Frontal Zone

    Source: Journal of Physical Oceanography:;1995:;Volume( 025 ):;issue: 008::page 1771
    Author:
    Klein, Birgit
    ,
    Siedler, Gerold
    DOI: 10.1175/1520-0485(1995)025<1771:IADMAT>2.0.CO;2
    Publisher: American Meteorological Society
    Abstract: The Cape Verde Frontal Zone separates the North and the South Atlantic Central Waters in the eastern North Atlantic. It also represents the boundary between the ventilated subtropical gyre and the quasi-stagnant shadow zone in the southeast. The thermohaline front is nearly compensated with respect to density, and density parameters RP, suggest the existence of double-diffusive processes. Datasets from three cruises to the region, approximately one year apart each, are used to determine the effects of double-diffusive diapycnal versus isopycnal mixing. For this purpose results from the usual temperature-salinity analysis assuming isopycnal mixing are compared to results from a multiparameter analysis where nutrient and oxygen data are also used. Significant diapycnal fluxes are found in the frontal zone between 200 and 300 m, with water mass contents being changed by more than 20% through diapycnal mixing. The associated buoyancy fluxes have a similar magnitude as surface fluxes in the area and thus represent an important contribution to the vertical balances of heat and salt.
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      Isopycnal and Diapycnal Mixing at the Cape Verde Frontal Zone

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4165471
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    • Journal of Physical Oceanography

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    contributor authorKlein, Birgit
    contributor authorSiedler, Gerold
    date accessioned2017-06-09T14:51:36Z
    date available2017-06-09T14:51:36Z
    date copyright1995/08/01
    date issued1995
    identifier issn0022-3670
    identifier otherams-28363.pdf
    identifier urihttp://onlinelibrary.yabesh.ir/handle/yetl/4165471
    description abstractThe Cape Verde Frontal Zone separates the North and the South Atlantic Central Waters in the eastern North Atlantic. It also represents the boundary between the ventilated subtropical gyre and the quasi-stagnant shadow zone in the southeast. The thermohaline front is nearly compensated with respect to density, and density parameters RP, suggest the existence of double-diffusive processes. Datasets from three cruises to the region, approximately one year apart each, are used to determine the effects of double-diffusive diapycnal versus isopycnal mixing. For this purpose results from the usual temperature-salinity analysis assuming isopycnal mixing are compared to results from a multiparameter analysis where nutrient and oxygen data are also used. Significant diapycnal fluxes are found in the frontal zone between 200 and 300 m, with water mass contents being changed by more than 20% through diapycnal mixing. The associated buoyancy fluxes have a similar magnitude as surface fluxes in the area and thus represent an important contribution to the vertical balances of heat and salt.
    publisherAmerican Meteorological Society
    titleIsopycnal and Diapycnal Mixing at the Cape Verde Frontal Zone
    typeJournal Paper
    journal volume25
    journal issue8
    journal titleJournal of Physical Oceanography
    identifier doi10.1175/1520-0485(1995)025<1771:IADMAT>2.0.CO;2
    journal fristpage1771
    journal lastpage1787
    treeJournal of Physical Oceanography:;1995:;Volume( 025 ):;issue: 008
    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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