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    Using Sounder Data to Improve Cirrus Cloud Height Estimation from Satellite Imagers

    Source: Journal of Atmospheric and Oceanic Technology:;2019:;volume 036:;issue 007::page 1331
    Author:
    Heidinger, Andrew K.
    ,
    Bearson, Nicholas
    ,
    Foster, Michael J.
    ,
    Li, Yue
    ,
    Wanzong, Steve
    ,
    Ackerman, Steven
    ,
    Holz, Robert E.
    ,
    Platnick, Steven
    ,
    Meyer, Kerry
    DOI: 10.1175/JTECH-D-18-0079.1
    Publisher: American Meteorological Society
    Abstract: AbstractModern polar-orbiting meteorological satellites provide both imaging and sounding observations simultaneously. Most imagers, however, do not have H2O and CO2 absorption bands and therefore struggle to accurately estimate the height of optically thin cirrus clouds. Sounders provide these needed observations, but at a spatial resolution that is too coarse to resolve many important cloud structures. This paper presents a technique to merge sounder and imager observations with the goal of maintaining the details offered by the imager?s high spatial resolution and the accuracy offered by the sounder?s spectral information. The technique involves deriving cloud temperatures from the sounder observations, interpolating the sounder temperatures to the imager pixels, and using the sounder temperatures as an additional constraint in the imager cloud height optimal estimation approach. This technique is demonstrated using collocated VIIRS and Cross-track Infrared Sounder (CrIS) observations with the impact of the sounder observations validated using coincident CALIPSO/CALIOP cloud heights These comparisons show significant improvement in the cloud heights for optically thin cirrus. The technique should be generally applicable to other imager/sounder pairs.
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      Using Sounder Data to Improve Cirrus Cloud Height Estimation from Satellite Imagers

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4263335
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    • Journal of Atmospheric and Oceanic Technology

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    contributor authorHeidinger, Andrew K.
    contributor authorBearson, Nicholas
    contributor authorFoster, Michael J.
    contributor authorLi, Yue
    contributor authorWanzong, Steve
    contributor authorAckerman, Steven
    contributor authorHolz, Robert E.
    contributor authorPlatnick, Steven
    contributor authorMeyer, Kerry
    date accessioned2019-10-05T06:45:41Z
    date available2019-10-05T06:45:41Z
    date copyright6/26/2019 12:00:00 AM
    date issued2019
    identifier otherJTECH-D-18-0079.1.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4263335
    description abstractAbstractModern polar-orbiting meteorological satellites provide both imaging and sounding observations simultaneously. Most imagers, however, do not have H2O and CO2 absorption bands and therefore struggle to accurately estimate the height of optically thin cirrus clouds. Sounders provide these needed observations, but at a spatial resolution that is too coarse to resolve many important cloud structures. This paper presents a technique to merge sounder and imager observations with the goal of maintaining the details offered by the imager?s high spatial resolution and the accuracy offered by the sounder?s spectral information. The technique involves deriving cloud temperatures from the sounder observations, interpolating the sounder temperatures to the imager pixels, and using the sounder temperatures as an additional constraint in the imager cloud height optimal estimation approach. This technique is demonstrated using collocated VIIRS and Cross-track Infrared Sounder (CrIS) observations with the impact of the sounder observations validated using coincident CALIPSO/CALIOP cloud heights These comparisons show significant improvement in the cloud heights for optically thin cirrus. The technique should be generally applicable to other imager/sounder pairs.
    publisherAmerican Meteorological Society
    titleUsing Sounder Data to Improve Cirrus Cloud Height Estimation from Satellite Imagers
    typeJournal Paper
    journal volume36
    journal issue7
    journal titleJournal of Atmospheric and Oceanic Technology
    identifier doi10.1175/JTECH-D-18-0079.1
    journal fristpage1331
    journal lastpage1342
    treeJournal of Atmospheric and Oceanic Technology:;2019:;volume 036:;issue 007
    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