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    The Nimbus-7 Global Cloud Climatology

    Source: Bulletin of the American Meteorological Society:;1988:;volume( 069 ):;issue: 007::page 743
    Author:
    Hwang, Paul H.
    ,
    Kyle, H. Lee
    ,
    Stowe, Larry L.
    ,
    Yeh, H. Y. Michael
    DOI: 10.1175/1520-0477(1988)069<0743:TGCC>2.0.CO;2
    Publisher: American Meteorological Society
    Abstract: A total of six years (April 1979 to March 1985) of continuous measurements from the Temperature Humidity Infrared Radiometer (THIR) and the Total Ozone Mapping Spectrometer (TOMS), both on the Nimbus-7 satellite, have been processed to form the Nimbus-7 Global Cloud Climatology (N7GCC). The cloud-estimation algorithms utilize THIR ?11.5-micron? radiances, TOMS-derived ?0.37-micron? reflectivities, climatological temperature lapse rates and concurrent surface temperatures, and snow-ice information. (The last two items are taken from the Air Force three-dimensional nephanalysis archive.) This cloud climatology gives, near local noon and midnight, the fractional area covered by high-level clouds middle-level clouds and low-altitude clouds, and the total fractional area covered by all clouds (total cloud). Statistics are also given for the special cloud types: cirrus, deep convective, and warm low-altitude clouds. lie cloud and clear-sky radiances, together with correlative surface temperatures, are included. These products have the same spatial resolution and temporal (daily and monthly) resolution as the independently derived concurrent Nimbus-7 Earth Radiation Budget data set. The N7GCC has been compared with preliminary results from the International Satellite Cloud Climatology Project (ISCCP) and with other cloud data sets. For July 1983, the mean global cover was estimated to be 49 percent by N7GCC and 63 percent by ISCCP. Older cloud climatologies showed average July global cloud cover in the 50 percent to 60 percent range.
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      The Nimbus-7 Global Cloud Climatology

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    contributor authorHwang, Paul H.
    contributor authorKyle, H. Lee
    contributor authorStowe, Larry L.
    contributor authorYeh, H. Y. Michael
    date accessioned2017-06-09T14:40:34Z
    date available2017-06-09T14:40:34Z
    date copyright1988/07/01
    date issued1988
    identifier issn0003-0007
    identifier otherams-24241.pdf
    identifier urihttp://onlinelibrary.yabesh.ir/handle/yetl/4160892
    description abstractA total of six years (April 1979 to March 1985) of continuous measurements from the Temperature Humidity Infrared Radiometer (THIR) and the Total Ozone Mapping Spectrometer (TOMS), both on the Nimbus-7 satellite, have been processed to form the Nimbus-7 Global Cloud Climatology (N7GCC). The cloud-estimation algorithms utilize THIR ?11.5-micron? radiances, TOMS-derived ?0.37-micron? reflectivities, climatological temperature lapse rates and concurrent surface temperatures, and snow-ice information. (The last two items are taken from the Air Force three-dimensional nephanalysis archive.) This cloud climatology gives, near local noon and midnight, the fractional area covered by high-level clouds middle-level clouds and low-altitude clouds, and the total fractional area covered by all clouds (total cloud). Statistics are also given for the special cloud types: cirrus, deep convective, and warm low-altitude clouds. lie cloud and clear-sky radiances, together with correlative surface temperatures, are included. These products have the same spatial resolution and temporal (daily and monthly) resolution as the independently derived concurrent Nimbus-7 Earth Radiation Budget data set. The N7GCC has been compared with preliminary results from the International Satellite Cloud Climatology Project (ISCCP) and with other cloud data sets. For July 1983, the mean global cover was estimated to be 49 percent by N7GCC and 63 percent by ISCCP. Older cloud climatologies showed average July global cloud cover in the 50 percent to 60 percent range.
    publisherAmerican Meteorological Society
    titleThe Nimbus-7 Global Cloud Climatology
    typeJournal Paper
    journal volume69
    journal issue7
    journal titleBulletin of the American Meteorological Society
    identifier doi10.1175/1520-0477(1988)069<0743:TGCC>2.0.CO;2
    journal fristpage743
    journal lastpage752
    treeBulletin of the American Meteorological Society:;1988:;volume( 069 ):;issue: 007
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
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