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    A Comparison of Analysis and Initialization Increments in an Operational Data-Assimilation System

    Source: Monthly Weather Review:;1993:;volume( 121 ):;issue: 002::page 579
    Author:
    Errico, Ronald M.
    ,
    Rosmond, Thomas E.
    ,
    Goerss, James S.
    DOI: 10.1175/1520-0493(1993)121<0579:ACOAAI>2.0.CO;2
    Publisher: American Meteorological Society
    Abstract: We have compared analysis increments produced by the optimal interpolation scheme and initialization increments produced by the nonlinear normal-mode initialization scheme in the U.S. Navy Operational Global Atmospheric Prediction System. Results indicate that analysis increments of height in the tropics are partially removed by the subsequent initialization. Similar results are obtained for the field of horizontal velocity divergence within the extratropics as well as tropics. Consequently, for some fields in some areas, the initialized analyses are primarily defined by the model-produced background field, irrespective of the availability of observations or model error estimates.
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      A Comparison of Analysis and Initialization Increments in an Operational Data-Assimilation System

    URI
    http://yetl.yabesh.ir/yetl1/handle/yetl/4202995
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    • Monthly Weather Review

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    contributor authorErrico, Ronald M.
    contributor authorRosmond, Thomas E.
    contributor authorGoerss, James S.
    date accessioned2017-06-09T16:09:14Z
    date available2017-06-09T16:09:14Z
    date copyright1993/02/01
    date issued1993
    identifier issn0027-0644
    identifier otherams-62136.pdf
    identifier urihttp://onlinelibrary.yabesh.ir/handle/yetl/4202995
    description abstractWe have compared analysis increments produced by the optimal interpolation scheme and initialization increments produced by the nonlinear normal-mode initialization scheme in the U.S. Navy Operational Global Atmospheric Prediction System. Results indicate that analysis increments of height in the tropics are partially removed by the subsequent initialization. Similar results are obtained for the field of horizontal velocity divergence within the extratropics as well as tropics. Consequently, for some fields in some areas, the initialized analyses are primarily defined by the model-produced background field, irrespective of the availability of observations or model error estimates.
    publisherAmerican Meteorological Society
    titleA Comparison of Analysis and Initialization Increments in an Operational Data-Assimilation System
    typeJournal Paper
    journal volume121
    journal issue2
    journal titleMonthly Weather Review
    identifier doi10.1175/1520-0493(1993)121<0579:ACOAAI>2.0.CO;2
    journal fristpage579
    journal lastpage588
    treeMonthly Weather Review:;1993:;volume( 121 ):;issue: 002
    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
    yabeshDSpacePersian