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    Dominant Cloud Microphysical Processes in a Tropical Oceanic Convective System: A 2D Cloud Resolving Modeling Study

    Source: Monthly Weather Review:;2002:;volume( 130 ):;issue: 010::page 2481
    Author:
    Li, Xiaofan
    ,
    Sui, C-H.
    ,
    Lau, K-M.
    DOI: 10.1175/1520-0493(2002)130<2481:DCMPIA>2.0.CO;2
    Publisher: American Meteorological Society
    Abstract: Dominant cloud microphysical processes associated with a tropical oceanic convective system are investigated based on a 2D cloud resolving simulation. The model is forced by the zonal-mean vertical velocity, zonal wind, sea surface temperature, and horizontal temperature and moisture advections measured and derived from the TOGA COARE period. The analysis of cloud microphysics budgets shows that cloud water forms due to vapor condensation, but most of the conversion of cloud water to precipitation occurs primarily through two mechanisms, depending on the temperature when they occur: through riming of cloud water onto precipitation ice (snow or graupel) at colder than 0°C and collection of cloud water by rain at warmer temperatures. Processes involving the liquid phase are dominant during the early stages of convection development. The collection process produces rain, and the riming process enhances ice clouds. Ice processes are more dominant during the later stages. The melting of precipitation ice and vapor deposition become important in producing rain and ice clouds, respectively. Based on the analysis of dominant cloud microphysical processes, a simplified set of cloud microphysics parameterization schemes are proposed. Simulations with the simplified and original sets show similar thermodynamic evolution and cloud properties.
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      Dominant Cloud Microphysical Processes in a Tropical Oceanic Convective System: A 2D Cloud Resolving Modeling Study

    URI
    http://yetl.yabesh.ir/yetl1/handle/yetl/4205084
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    • Monthly Weather Review

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    contributor authorLi, Xiaofan
    contributor authorSui, C-H.
    contributor authorLau, K-M.
    date accessioned2017-06-09T16:14:37Z
    date available2017-06-09T16:14:37Z
    date copyright2002/10/01
    date issued2002
    identifier issn0027-0644
    identifier otherams-64016.pdf
    identifier urihttp://onlinelibrary.yabesh.ir/handle/yetl/4205084
    description abstractDominant cloud microphysical processes associated with a tropical oceanic convective system are investigated based on a 2D cloud resolving simulation. The model is forced by the zonal-mean vertical velocity, zonal wind, sea surface temperature, and horizontal temperature and moisture advections measured and derived from the TOGA COARE period. The analysis of cloud microphysics budgets shows that cloud water forms due to vapor condensation, but most of the conversion of cloud water to precipitation occurs primarily through two mechanisms, depending on the temperature when they occur: through riming of cloud water onto precipitation ice (snow or graupel) at colder than 0°C and collection of cloud water by rain at warmer temperatures. Processes involving the liquid phase are dominant during the early stages of convection development. The collection process produces rain, and the riming process enhances ice clouds. Ice processes are more dominant during the later stages. The melting of precipitation ice and vapor deposition become important in producing rain and ice clouds, respectively. Based on the analysis of dominant cloud microphysical processes, a simplified set of cloud microphysics parameterization schemes are proposed. Simulations with the simplified and original sets show similar thermodynamic evolution and cloud properties.
    publisherAmerican Meteorological Society
    titleDominant Cloud Microphysical Processes in a Tropical Oceanic Convective System: A 2D Cloud Resolving Modeling Study
    typeJournal Paper
    journal volume130
    journal issue10
    journal titleMonthly Weather Review
    identifier doi10.1175/1520-0493(2002)130<2481:DCMPIA>2.0.CO;2
    journal fristpage2481
    journal lastpage2491
    treeMonthly Weather Review:;2002:;volume( 130 ):;issue: 010
    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