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    Validation of the CERES/TRMM ERBE-Like Monthly Mean Clear-Sky Longwave Dataset and the Effects of the 1998 ENSO Event

    Source: Journal of Climate:;2000:;volume( 013 ):;issue: 024::page 4256
    Author:
    Wong, Takmeng
    ,
    Young, David F.
    ,
    Haeffelin, Martial
    ,
    Weckmann, Stephanie
    DOI: 10.1175/1520-0442(2000)013<4256:VOTCTE>2.0.CO;2
    Publisher: American Meteorological Society
    Abstract: The Clouds and the Earth?s Radiant Energy System (CERES) is a new National Aeronautics and Space Administration space-borne measurement project for monitoring the radiation environment of the earth?atmosphere system. The first CERES instrument was launched into space on board the Tropical Rainfall Measuring Mission (TRMM) satellite on 27 November 1997. The purpose of this paper is 1) to describe the initial validation of the new CERES/TRMM Earth Radiation Budget Experiment (ERBE)?like monthly mean clear-sky longwave (CLW) dataset and 2) to demonstrate the scientific benefit of this new dataset through a data application study on the 1998 El Niño?Southern Oscillation (ENSO) episode. The initial validation of the CERES CLW data is carried out based on comparisons with both historical ERBE observations and radiative transfer simulations. While the observed CERES CLWs are initially larger than the historical ERBE record during the first part of the 1998 ENSO event, these differences are diminished by the end of the ENSO event in July 1998. These unique ENSO-related CLW radiation signatures are captured well by the radiative transfer model simulations. These results demonstrate that the new CERES CLW fluxes are theoretically consistent with the underlying physics of the atmosphere. A CERES data application study is performed to examine the relationship between the CERES CLW anomaly and changes in sea surface temperature (SST) and atmospheric column precipitable water content (PWC) during the January 1998 ENSO event. While the changes in the SST pattern are basically uncorrelated with changes in the CLW field, a negative correlation is found between the PWC anomaly and the changes in the CLW radiation field. These observed features point to 1) the significant role of the water vapor field in modulating the tropical outgoing CLW radiation field during the 1998 ENSO event and 2) the important effects of water vapor absorption in decoupling the top of the atmosphere tropical outgoing CLW radiation from the surface upward CLW field.
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      Validation of the CERES/TRMM ERBE-Like Monthly Mean Clear-Sky Longwave Dataset and the Effects of the 1998 ENSO Event

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4196467
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    contributor authorWong, Takmeng
    contributor authorYoung, David F.
    contributor authorHaeffelin, Martial
    contributor authorWeckmann, Stephanie
    date accessioned2017-06-09T15:53:50Z
    date available2017-06-09T15:53:50Z
    date copyright2000/12/01
    date issued2000
    identifier issn0894-8755
    identifier otherams-5626.pdf
    identifier urihttp://onlinelibrary.yabesh.ir/handle/yetl/4196467
    description abstractThe Clouds and the Earth?s Radiant Energy System (CERES) is a new National Aeronautics and Space Administration space-borne measurement project for monitoring the radiation environment of the earth?atmosphere system. The first CERES instrument was launched into space on board the Tropical Rainfall Measuring Mission (TRMM) satellite on 27 November 1997. The purpose of this paper is 1) to describe the initial validation of the new CERES/TRMM Earth Radiation Budget Experiment (ERBE)?like monthly mean clear-sky longwave (CLW) dataset and 2) to demonstrate the scientific benefit of this new dataset through a data application study on the 1998 El Niño?Southern Oscillation (ENSO) episode. The initial validation of the CERES CLW data is carried out based on comparisons with both historical ERBE observations and radiative transfer simulations. While the observed CERES CLWs are initially larger than the historical ERBE record during the first part of the 1998 ENSO event, these differences are diminished by the end of the ENSO event in July 1998. These unique ENSO-related CLW radiation signatures are captured well by the radiative transfer model simulations. These results demonstrate that the new CERES CLW fluxes are theoretically consistent with the underlying physics of the atmosphere. A CERES data application study is performed to examine the relationship between the CERES CLW anomaly and changes in sea surface temperature (SST) and atmospheric column precipitable water content (PWC) during the January 1998 ENSO event. While the changes in the SST pattern are basically uncorrelated with changes in the CLW field, a negative correlation is found between the PWC anomaly and the changes in the CLW radiation field. These observed features point to 1) the significant role of the water vapor field in modulating the tropical outgoing CLW radiation field during the 1998 ENSO event and 2) the important effects of water vapor absorption in decoupling the top of the atmosphere tropical outgoing CLW radiation from the surface upward CLW field.
    publisherAmerican Meteorological Society
    titleValidation of the CERES/TRMM ERBE-Like Monthly Mean Clear-Sky Longwave Dataset and the Effects of the 1998 ENSO Event
    typeJournal Paper
    journal volume13
    journal issue24
    journal titleJournal of Climate
    identifier doi10.1175/1520-0442(2000)013<4256:VOTCTE>2.0.CO;2
    journal fristpage4256
    journal lastpage4267
    treeJournal of Climate:;2000:;volume( 013 ):;issue: 024
    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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