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    MSU Tropospheric Temperatures: Dataset Construction and Radiosonde Comparisons

    Source: Journal of Atmospheric and Oceanic Technology:;2000:;volume( 017 ):;issue: 009::page 1153
    Author:
    Christy, John R.
    ,
    Spencer, Roy W.
    ,
    Braswell, William D.
    DOI: 10.1175/1520-0426(2000)017<1153:MTTDCA>2.0.CO;2
    Publisher: American Meteorological Society
    Abstract: Two deep-layer tropospheric temperature products, one for the lower troposphere (T2LT) and one for the midtroposphere (T2, which includes some stratospheric emissions), are based on the observations of channel 2 of the microwave sounding unit on National Oceanic and Atmospheric Administration (NOAA) polar-orbiting satellites. Revisions to version C of these datasets have been explicitly applied to account for the effects of orbit decay (loss of satellite altitude) and orbit drift (east?west movement). Orbit decay introduces an artificial cooling in T2LT, while the effects of orbit drift introduce artificial warming in both T2LT and T2. The key issues for orbit drift are 1) accounting for the diurnal cycle and 2) the adjustment needed to correct for spurious effects related to the temperature of the instrument. In addition, new calibration coefficients for NOAA-12 have been applied. The net global effect of these revisions (version D) is small, having little impact on the year-to-year anomalies. The change in global trends from C to D for 1979?98 for T2LT is an increase from +0.03 to +0.06 K decade?1, and a decrease for T2 from +0.08 to +0.04 K decade?1.
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      MSU Tropospheric Temperatures: Dataset Construction and Radiosonde Comparisons

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4153434
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    • Journal of Atmospheric and Oceanic Technology

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    contributor authorChristy, John R.
    contributor authorSpencer, Roy W.
    contributor authorBraswell, William D.
    date accessioned2017-06-09T14:20:16Z
    date available2017-06-09T14:20:16Z
    date copyright2000/09/01
    date issued2000
    identifier issn0739-0572
    identifier otherams-1753.pdf
    identifier urihttp://onlinelibrary.yabesh.ir/handle/yetl/4153434
    description abstractTwo deep-layer tropospheric temperature products, one for the lower troposphere (T2LT) and one for the midtroposphere (T2, which includes some stratospheric emissions), are based on the observations of channel 2 of the microwave sounding unit on National Oceanic and Atmospheric Administration (NOAA) polar-orbiting satellites. Revisions to version C of these datasets have been explicitly applied to account for the effects of orbit decay (loss of satellite altitude) and orbit drift (east?west movement). Orbit decay introduces an artificial cooling in T2LT, while the effects of orbit drift introduce artificial warming in both T2LT and T2. The key issues for orbit drift are 1) accounting for the diurnal cycle and 2) the adjustment needed to correct for spurious effects related to the temperature of the instrument. In addition, new calibration coefficients for NOAA-12 have been applied. The net global effect of these revisions (version D) is small, having little impact on the year-to-year anomalies. The change in global trends from C to D for 1979?98 for T2LT is an increase from +0.03 to +0.06 K decade?1, and a decrease for T2 from +0.08 to +0.04 K decade?1.
    publisherAmerican Meteorological Society
    titleMSU Tropospheric Temperatures: Dataset Construction and Radiosonde Comparisons
    typeJournal Paper
    journal volume17
    journal issue9
    journal titleJournal of Atmospheric and Oceanic Technology
    identifier doi10.1175/1520-0426(2000)017<1153:MTTDCA>2.0.CO;2
    journal fristpage1153
    journal lastpage1170
    treeJournal of Atmospheric and Oceanic Technology:;2000:;volume( 017 ):;issue: 009
    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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