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    MLS and CALIOP Cloud Ice Measurements in the Upper Troposphere: A Constraint from Microwave on Cloud Microphysics

    Source: Journal of Applied Meteorology and Climatology:;2013:;volume( 053 ):;issue: 001::page 157
    Author:
    Wu, Dong L.
    ,
    Lambert, Alyn
    ,
    Read, William G.
    ,
    Eriksson, Patrick
    ,
    Gong, Jie
    DOI: 10.1175/JAMC-D-13-041.1
    Publisher: American Meteorological Society
    Abstract: his study examines the consistency and microphysics assumptions among satellite ice water content (IWC) retrievals in the upper troposphere with collocated A-Train radiances from Microwave Limb Sounder (MLS) and lidar backscatters from Cloud?Aerosol Lidar with Orthogonal Polarization (CALIOP). For the cases in which IWC values are small (<10 mg m?3), the cloud ice retrievals are constrained by both MLS 240- and 640-GHz radiances and CALIOP 532-nm backscatter ?532. From the observed relationships between MLS cloud-induced radiance Tcir and the CALIOP backscatter integrated ?532 along the MLS line of sight, an empirical linear relation between cloud ice and the lidar backscatter is found: IWC/?532 = 0.58 ± 0.11. This lidar cloud ice relation is required to satisfy the cloud ice emission signals simultaneously observed at microwave frequencies, in which ice permittivity is relatively well known. This empirical relationship also produces IWC values that agree well with the CALIOP, version 3.0, retrieval at values <10 mg m?3. Because the microphysics assumption is critical in satellite cloud ice retrievals, the agreement found in the IWC??532 relationships increase fidelity of the assumptions used by the lidar and microwave techniques for upper-tropospheric clouds.
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      MLS and CALIOP Cloud Ice Measurements in the Upper Troposphere: A Constraint from Microwave on Cloud Microphysics

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4217271
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    • Journal of Applied Meteorology and Climatology

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    contributor authorWu, Dong L.
    contributor authorLambert, Alyn
    contributor authorRead, William G.
    contributor authorEriksson, Patrick
    contributor authorGong, Jie
    date accessioned2017-06-09T16:50:05Z
    date available2017-06-09T16:50:05Z
    date copyright2014/01/01
    date issued2013
    identifier issn1558-8424
    identifier otherams-74986.pdf
    identifier urihttp://onlinelibrary.yabesh.ir/handle/yetl/4217271
    description abstracthis study examines the consistency and microphysics assumptions among satellite ice water content (IWC) retrievals in the upper troposphere with collocated A-Train radiances from Microwave Limb Sounder (MLS) and lidar backscatters from Cloud?Aerosol Lidar with Orthogonal Polarization (CALIOP). For the cases in which IWC values are small (<10 mg m?3), the cloud ice retrievals are constrained by both MLS 240- and 640-GHz radiances and CALIOP 532-nm backscatter ?532. From the observed relationships between MLS cloud-induced radiance Tcir and the CALIOP backscatter integrated ?532 along the MLS line of sight, an empirical linear relation between cloud ice and the lidar backscatter is found: IWC/?532 = 0.58 ± 0.11. This lidar cloud ice relation is required to satisfy the cloud ice emission signals simultaneously observed at microwave frequencies, in which ice permittivity is relatively well known. This empirical relationship also produces IWC values that agree well with the CALIOP, version 3.0, retrieval at values <10 mg m?3. Because the microphysics assumption is critical in satellite cloud ice retrievals, the agreement found in the IWC??532 relationships increase fidelity of the assumptions used by the lidar and microwave techniques for upper-tropospheric clouds.
    publisherAmerican Meteorological Society
    titleMLS and CALIOP Cloud Ice Measurements in the Upper Troposphere: A Constraint from Microwave on Cloud Microphysics
    typeJournal Paper
    journal volume53
    journal issue1
    journal titleJournal of Applied Meteorology and Climatology
    identifier doi10.1175/JAMC-D-13-041.1
    journal fristpage157
    journal lastpage165
    treeJournal of Applied Meteorology and Climatology:;2013:;volume( 053 ):;issue: 001
    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