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    On the Equivalence of Two Schemes for Convective Momentum Transport

    Source: Journal of the Atmospheric Sciences:;2012:;Volume( 069 ):;issue: 012::page 3491
    Author:
    Romps, David M.
    DOI: 10.1175/JAS-D-12-068.1
    Publisher: American Meteorological Society
    Abstract: he Gregory?Kershaw?Inness (GKI) parameterization of convective momentum transport, which has a tunable parameter C, is shown to be identical to a parameterization with no pressure gradient force and a mass flux smaller by a factor of 1 ? C. Using cloud-resolving simulations, the transilient matrix for momentum is diagnosed for deep convection in radiative?convective equilibrium. Using this transilient matrix, it is shown that the GKI scheme underestimates the compensating subsidence of momentum by a factor of 1 ? C, as predicted. This result is confirmed using a large-eddy simulation.
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      On the Equivalence of Two Schemes for Convective Momentum Transport

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    contributor authorRomps, David M.
    date accessioned2017-06-09T16:56:11Z
    date available2017-06-09T16:56:11Z
    date copyright2012/12/01
    date issued2012
    identifier issn0022-4928
    identifier otherams-76707.pdf
    identifier urihttp://onlinelibrary.yabesh.ir/handle/yetl/4219184
    description abstracthe Gregory?Kershaw?Inness (GKI) parameterization of convective momentum transport, which has a tunable parameter C, is shown to be identical to a parameterization with no pressure gradient force and a mass flux smaller by a factor of 1 ? C. Using cloud-resolving simulations, the transilient matrix for momentum is diagnosed for deep convection in radiative?convective equilibrium. Using this transilient matrix, it is shown that the GKI scheme underestimates the compensating subsidence of momentum by a factor of 1 ? C, as predicted. This result is confirmed using a large-eddy simulation.
    publisherAmerican Meteorological Society
    titleOn the Equivalence of Two Schemes for Convective Momentum Transport
    typeJournal Paper
    journal volume69
    journal issue12
    journal titleJournal of the Atmospheric Sciences
    identifier doi10.1175/JAS-D-12-068.1
    journal fristpage3491
    journal lastpage3500
    treeJournal of the Atmospheric Sciences:;2012:;Volume( 069 ):;issue: 012
    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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