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    Validation of ERBS Scanner Radiances

    Source: Journal of Atmospheric and Oceanic Technology:;1996:;volume( 013 ):;issue: 004::page 851
    Author:
    Green, Richard N.
    ,
    Avis, Lee M.
    DOI: 10.1175/1520-0426(1996)013<0851:VOESR>2.0.CO;2
    Publisher: American Meteorological Society
    Abstract: The earth radiation budget satellite (ERBS) has made broadband scanner measurements of the earth radiance for over 5 years. The redundancy between the shortwave, longwave, and total scanning radiometers and data averages have been used to validate the long-term consistency among the measurements and to establish how measurement drift has affected the archived top-of-the-atmosphere fluxes. The total channel gain at night was found to be unchanged over a 4-yr test period. Relative to the total channel at night, the longwave channel sensitivity decreased by 0.5% over the same 4 years and the shortwave channel was unchanged. The shortwave part of the total channel, however, gradually increased in gain by 1.3%. Only the daytime longwave flux was affected by these changes. It drifted upward depending on the scene shortwave component. Over 4 years, the clear ocean daytime longwave flux increased by 0.2% and overcast scenes by 2.6%. For all scenes in the Tropics, the daytime longwave flux increased by less than 1% in 4 years. There was no statistical evidence that the daytime shortwave or nighttime longwave fluxes had drifted.
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      Validation of ERBS Scanner Radiances

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4147112
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    contributor authorGreen, Richard N.
    contributor authorAvis, Lee M.
    date accessioned2017-06-09T14:04:06Z
    date available2017-06-09T14:04:06Z
    date copyright1996/08/01
    date issued1996
    identifier issn0739-0572
    identifier otherams-1184.pdf
    identifier urihttp://onlinelibrary.yabesh.ir/handle/yetl/4147112
    description abstractThe earth radiation budget satellite (ERBS) has made broadband scanner measurements of the earth radiance for over 5 years. The redundancy between the shortwave, longwave, and total scanning radiometers and data averages have been used to validate the long-term consistency among the measurements and to establish how measurement drift has affected the archived top-of-the-atmosphere fluxes. The total channel gain at night was found to be unchanged over a 4-yr test period. Relative to the total channel at night, the longwave channel sensitivity decreased by 0.5% over the same 4 years and the shortwave channel was unchanged. The shortwave part of the total channel, however, gradually increased in gain by 1.3%. Only the daytime longwave flux was affected by these changes. It drifted upward depending on the scene shortwave component. Over 4 years, the clear ocean daytime longwave flux increased by 0.2% and overcast scenes by 2.6%. For all scenes in the Tropics, the daytime longwave flux increased by less than 1% in 4 years. There was no statistical evidence that the daytime shortwave or nighttime longwave fluxes had drifted.
    publisherAmerican Meteorological Society
    titleValidation of ERBS Scanner Radiances
    typeJournal Paper
    journal volume13
    journal issue4
    journal titleJournal of Atmospheric and Oceanic Technology
    identifier doi10.1175/1520-0426(1996)013<0851:VOESR>2.0.CO;2
    journal fristpage851
    journal lastpage862
    treeJournal of Atmospheric and Oceanic Technology:;1996:;volume( 013 ):;issue: 004
    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
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