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    The Spectral Ice Habit Prediction System (SHIPS). Part II: Simulation of Nucleation and Depositional Growth of Polycrystals

    Source: Journal of the Atmospheric Sciences:;2008:;Volume( 065 ):;issue: 010::page 3071
    Author:
    Hashino, Tempei
    ,
    Tripoli, Gregory J.
    DOI: 10.1175/2008JAS2615.1
    Publisher: American Meteorological Society
    Abstract: This paper proposes a framework to predict polycrystals along with hexagonal monocrystals in a cloud-resolving model and discusses validity of the scheme and physical processes important for habit distribution by implementing 2D cloud-resolving simulations of an orographic winter storm. The vapor depositional growth is simulated based on a habit frequency map constructed in the laboratory and based on a predicted growth history under evolving atmospheric conditions. Differences brought by predicting polycrystals in spatial distribution were apparent, and sedimentation of polycrystals from middle and upper levels was significant. The immersion freezing process appeared to be a key process resulting in the creation of planar polycrystals, while the homogeneous freezing process was found important for columnar and irregular polycrystals. The ice nuclei (IN) concentration was shown to affect habit distribution by changing the supersaturation, tendency of the freezing nucleation processes, and sedimentation. Preliminary comparison of simulated habit distributions and frequencies with observations indicates usefulness of the framework for polycrystals. Implications of these modeling studies on the needs of future observational campaigns are discussed.
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      The Spectral Ice Habit Prediction System (SHIPS). Part II: Simulation of Nucleation and Depositional Growth of Polycrystals

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4208156
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    contributor authorHashino, Tempei
    contributor authorTripoli, Gregory J.
    date accessioned2017-06-09T16:22:45Z
    date available2017-06-09T16:22:45Z
    date copyright2008/10/01
    date issued2008
    identifier issn0022-4928
    identifier otherams-66782.pdf
    identifier urihttp://onlinelibrary.yabesh.ir/handle/yetl/4208156
    description abstractThis paper proposes a framework to predict polycrystals along with hexagonal monocrystals in a cloud-resolving model and discusses validity of the scheme and physical processes important for habit distribution by implementing 2D cloud-resolving simulations of an orographic winter storm. The vapor depositional growth is simulated based on a habit frequency map constructed in the laboratory and based on a predicted growth history under evolving atmospheric conditions. Differences brought by predicting polycrystals in spatial distribution were apparent, and sedimentation of polycrystals from middle and upper levels was significant. The immersion freezing process appeared to be a key process resulting in the creation of planar polycrystals, while the homogeneous freezing process was found important for columnar and irregular polycrystals. The ice nuclei (IN) concentration was shown to affect habit distribution by changing the supersaturation, tendency of the freezing nucleation processes, and sedimentation. Preliminary comparison of simulated habit distributions and frequencies with observations indicates usefulness of the framework for polycrystals. Implications of these modeling studies on the needs of future observational campaigns are discussed.
    publisherAmerican Meteorological Society
    titleThe Spectral Ice Habit Prediction System (SHIPS). Part II: Simulation of Nucleation and Depositional Growth of Polycrystals
    typeJournal Paper
    journal volume65
    journal issue10
    journal titleJournal of the Atmospheric Sciences
    identifier doi10.1175/2008JAS2615.1
    journal fristpage3071
    journal lastpage3094
    treeJournal of the Atmospheric Sciences:;2008:;Volume( 065 ):;issue: 010
    contenttypeFulltext
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    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
    yabeshDSpacePersian
     
    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
    yabeshDSpacePersian