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    Sampling of the Diurnal Cycle of Precipitation Using TRMM

    Source: Journal of Atmospheric and Oceanic Technology:;2002:;volume( 019 ):;issue: 009::page 1333
    Author:
    Negri, Andrew J.
    ,
    Bell, Thomas L.
    ,
    Xu, Liming
    DOI: 10.1175/1520-0426(2002)019<1333:SOTDCO>2.0.CO;2
    Publisher: American Meteorological Society
    Abstract: The temporal sampling of tropical regions is examined using observations from the Tropical Rainfall Measuring Mission (TRMM) Microwave Imager (TMI) and precipitation radar (PR). It is concluded that PR estimates at any one hour, even using three years of data, are inadequate to describe the diurnal cycle of precipitation over regions smaller than 12°, due to high spatial variability in sampling. It is shown that the optimum period of accumulation is 4 h. Diurnal signatures display half as much sampling error when averaged over 4 h of local time. A similar pattern of sampling variability is found in the TMI data, despite the TMI's wider swath and increased sampling. These results are verified using an orbital model. The sensitivity of the sampling to satellite altitude is presented, as well as sampling patterns at the new TRMM altitude of 402.5 km.
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      Sampling of the Diurnal Cycle of Precipitation Using TRMM

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4156657
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    contributor authorNegri, Andrew J.
    contributor authorBell, Thomas L.
    contributor authorXu, Liming
    date accessioned2017-06-09T14:30:02Z
    date available2017-06-09T14:30:02Z
    date copyright2002/09/01
    date issued2002
    identifier issn0739-0572
    identifier otherams-2043.pdf
    identifier urihttp://onlinelibrary.yabesh.ir/handle/yetl/4156657
    description abstractThe temporal sampling of tropical regions is examined using observations from the Tropical Rainfall Measuring Mission (TRMM) Microwave Imager (TMI) and precipitation radar (PR). It is concluded that PR estimates at any one hour, even using three years of data, are inadequate to describe the diurnal cycle of precipitation over regions smaller than 12°, due to high spatial variability in sampling. It is shown that the optimum period of accumulation is 4 h. Diurnal signatures display half as much sampling error when averaged over 4 h of local time. A similar pattern of sampling variability is found in the TMI data, despite the TMI's wider swath and increased sampling. These results are verified using an orbital model. The sensitivity of the sampling to satellite altitude is presented, as well as sampling patterns at the new TRMM altitude of 402.5 km.
    publisherAmerican Meteorological Society
    titleSampling of the Diurnal Cycle of Precipitation Using TRMM
    typeJournal Paper
    journal volume19
    journal issue9
    journal titleJournal of Atmospheric and Oceanic Technology
    identifier doi10.1175/1520-0426(2002)019<1333:SOTDCO>2.0.CO;2
    journal fristpage1333
    journal lastpage1344
    treeJournal of Atmospheric and Oceanic Technology:;2002:;volume( 019 ):;issue: 009
    contenttypeFulltext
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    yabeshDSpacePersian
     
    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
    yabeshDSpacePersian