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    Sensitivity of the First Indirect Aerosol Effect to an Increase of Cloud Droplet Spectral Dispersion with Droplet Number Concentration

    Source: Journal of Climate:;2003:;volume( 016 ):;issue: 021::page 3476
    Author:
    Rotstayn, Leon D.
    ,
    Liu, Yangang
    DOI: 10.1175/1520-0442(2003)016<3476:SOTFIA>2.0.CO;2
    Publisher: American Meteorological Society
    Abstract: Observations show that an increase in anthropogenic aerosols leads to concurrent increases in the cloud droplet concentration and the relative dispersion of the cloud droplet spectrum, other factors being equal. It has been suggested that the increase in effective radius resulting from increased relative dispersion may substantially negate the indirect aerosol effect, but this is usually not parameterized in global climate models (GCMs). Empirical parameterizations, designed to represent the average of this effect, as well as its lower and upper bounds, are tested in the CSIRO GCM. Compared to a control simulation, in which the relative dispersion of the cloud droplet spectrum is prescribed separately over land and ocean, inclusion of this effect reduces the magnitude of the first indirect aerosol effect by between 12% and 35%.
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      Sensitivity of the First Indirect Aerosol Effect to an Increase of Cloud Droplet Spectral Dispersion with Droplet Number Concentration

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4204989
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    contributor authorRotstayn, Leon D.
    contributor authorLiu, Yangang
    date accessioned2017-06-09T16:14:19Z
    date available2017-06-09T16:14:19Z
    date copyright2003/11/01
    date issued2003
    identifier issn0894-8755
    identifier otherams-6393.pdf
    identifier urihttp://onlinelibrary.yabesh.ir/handle/yetl/4204989
    description abstractObservations show that an increase in anthropogenic aerosols leads to concurrent increases in the cloud droplet concentration and the relative dispersion of the cloud droplet spectrum, other factors being equal. It has been suggested that the increase in effective radius resulting from increased relative dispersion may substantially negate the indirect aerosol effect, but this is usually not parameterized in global climate models (GCMs). Empirical parameterizations, designed to represent the average of this effect, as well as its lower and upper bounds, are tested in the CSIRO GCM. Compared to a control simulation, in which the relative dispersion of the cloud droplet spectrum is prescribed separately over land and ocean, inclusion of this effect reduces the magnitude of the first indirect aerosol effect by between 12% and 35%.
    publisherAmerican Meteorological Society
    titleSensitivity of the First Indirect Aerosol Effect to an Increase of Cloud Droplet Spectral Dispersion with Droplet Number Concentration
    typeJournal Paper
    journal volume16
    journal issue21
    journal titleJournal of Climate
    identifier doi10.1175/1520-0442(2003)016<3476:SOTFIA>2.0.CO;2
    journal fristpage3476
    journal lastpage3481
    treeJournal of Climate:;2003:;volume( 016 ):;issue: 021
    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