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    The Theoretical Basis for the Parameterization of Ice Crystal Habits: Growth by Vapor Deposition

    Source: Journal of the Atmospheric Sciences:;1994:;Volume( 051 ):;issue: 009::page 1206
    Author:
    Chen, Jen-Ping
    ,
    Lamb, Dennis
    DOI: 10.1175/1520-0469(1994)051<1206:TTBFTP>2.0.CO;2
    Publisher: American Meteorological Society
    Abstract: A theoretical analysis of surface kinetic and gas-phase diffusional effects permits the growth rates and habits of ice crystals to be specified in a self-consistent way. The analysis makes use of the fact that the difference between the condensation coefficients of the prism and basal faces determines the primary crystal habits, whereas the spatial variations of the vapor density contribute to the secondary habits. The parameterization scheme that results from the theoretical analysis yields a power law relationship between the a and c axial lengths that matches earlier empirical formulas derived from observational data for the temperature range of ?30° to 0°C. Through application of this adaptive parameterization in a microphysical model that categorizes ice particles according to both their masses and shapes, it is shown that deviations from the power law relationship may develop if the crystals experience significant variations in the air temperature and in their inherent growth habits. A mass-dimension relationship is also derived through the theoretical analysis that can be used as a less detailed parameterization scheme for the growth of ice crystals by vapor deposition.
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      The Theoretical Basis for the Parameterization of Ice Crystal Habits: Growth by Vapor Deposition

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4157485
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    contributor authorChen, Jen-Ping
    contributor authorLamb, Dennis
    date accessioned2017-06-09T14:32:13Z
    date available2017-06-09T14:32:13Z
    date copyright1994/05/01
    date issued1994
    identifier issn0022-4928
    identifier otherams-21175.pdf
    identifier urihttp://onlinelibrary.yabesh.ir/handle/yetl/4157485
    description abstractA theoretical analysis of surface kinetic and gas-phase diffusional effects permits the growth rates and habits of ice crystals to be specified in a self-consistent way. The analysis makes use of the fact that the difference between the condensation coefficients of the prism and basal faces determines the primary crystal habits, whereas the spatial variations of the vapor density contribute to the secondary habits. The parameterization scheme that results from the theoretical analysis yields a power law relationship between the a and c axial lengths that matches earlier empirical formulas derived from observational data for the temperature range of ?30° to 0°C. Through application of this adaptive parameterization in a microphysical model that categorizes ice particles according to both their masses and shapes, it is shown that deviations from the power law relationship may develop if the crystals experience significant variations in the air temperature and in their inherent growth habits. A mass-dimension relationship is also derived through the theoretical analysis that can be used as a less detailed parameterization scheme for the growth of ice crystals by vapor deposition.
    publisherAmerican Meteorological Society
    titleThe Theoretical Basis for the Parameterization of Ice Crystal Habits: Growth by Vapor Deposition
    typeJournal Paper
    journal volume51
    journal issue9
    journal titleJournal of the Atmospheric Sciences
    identifier doi10.1175/1520-0469(1994)051<1206:TTBFTP>2.0.CO;2
    journal fristpage1206
    journal lastpage1222
    treeJournal of the Atmospheric Sciences:;1994:;Volume( 051 ):;issue: 009
    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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