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    Exploring Self-Correlation in Flux–Gradient Relationships for Stably Stratified Conditions

    Source: Journal of the Atmospheric Sciences:;2006:;Volume( 063 ):;issue: 011::page 3045
    Author:
    Baas, P.
    ,
    Steeneveld, G. J.
    ,
    van de Wiel, B. J. H.
    ,
    Holtslag, A. A. M.
    DOI: 10.1175/JAS3778.1
    Publisher: American Meteorological Society
    Abstract: In this paper, the degree of scatter in flux?gradient relationships for stably stratified conditions is analyzed. It is generally found that scatter in the dimensionless lapse rate ?h is larger than in the dimensionless shear ?m when plotted versus the stability parameter z/? (where ? is the local Obukhov length). Here, this phenomenon is explained to be a result of self-correlation due to the occurrence of the momentum and the heat flux on both axes, measurement uncertainties, and other possibly relevant physical processes left aside. It is shown that the ratio between relative errors in the turbulent fluxes influences the orientation of self-correlation in the flux?gradient relationships. In stable conditions, the scatter in ?m is largely suppressed by self-correlation while for ?h this is not the case (vice versa for unstable stratification). An alternative way of plotting is discussed for determining the slope of the linear ?m function.
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      Exploring Self-Correlation in Flux–Gradient Relationships for Stably Stratified Conditions

    URI
    http://yetl.yabesh.ir/yetl1/handle/yetl/4218358
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    • Journal of the Atmospheric Sciences

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    contributor authorBaas, P.
    contributor authorSteeneveld, G. J.
    contributor authorvan de Wiel, B. J. H.
    contributor authorHoltslag, A. A. M.
    date accessioned2017-06-09T16:53:08Z
    date available2017-06-09T16:53:08Z
    date copyright2006/11/01
    date issued2006
    identifier issn0022-4928
    identifier otherams-75964.pdf
    identifier urihttp://onlinelibrary.yabesh.ir/handle/yetl/4218358
    description abstractIn this paper, the degree of scatter in flux?gradient relationships for stably stratified conditions is analyzed. It is generally found that scatter in the dimensionless lapse rate ?h is larger than in the dimensionless shear ?m when plotted versus the stability parameter z/? (where ? is the local Obukhov length). Here, this phenomenon is explained to be a result of self-correlation due to the occurrence of the momentum and the heat flux on both axes, measurement uncertainties, and other possibly relevant physical processes left aside. It is shown that the ratio between relative errors in the turbulent fluxes influences the orientation of self-correlation in the flux?gradient relationships. In stable conditions, the scatter in ?m is largely suppressed by self-correlation while for ?h this is not the case (vice versa for unstable stratification). An alternative way of plotting is discussed for determining the slope of the linear ?m function.
    publisherAmerican Meteorological Society
    titleExploring Self-Correlation in Flux–Gradient Relationships for Stably Stratified Conditions
    typeJournal Paper
    journal volume63
    journal issue11
    journal titleJournal of the Atmospheric Sciences
    identifier doi10.1175/JAS3778.1
    journal fristpage3045
    journal lastpage3054
    treeJournal of the Atmospheric Sciences:;2006:;Volume( 063 ):;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
    yabeshDSpacePersian