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    Fitting Dynamic Models to the Geosat Sea Level Observations in the Tropical Pacific Ocean. Part I: A Free Wave Model

    Source: Journal of Physical Oceanography:;1991:;Volume( 021 ):;issue: 006::page 798
    Author:
    Fu, Lee-Lueng
    ,
    Vazquez, Jorge
    ,
    Perigaud, Claire
    DOI: 10.1175/1520-0485(1991)021<0798:FDMTTG>2.0.CO;2
    Publisher: American Meteorological Society
    Abstract: Free, equatorially trapped sinusoidal wave solutions to a linear model on an equatorial beta plane are used to fit the Geosat altimetric sea level observations in the Tropical Pacific Ocean. The Kalman filter technique is used to estimate the wave amplitude and phase from the data. The estimation is performed at each time step by combining the model forecast with the observation in an optimal fashion utilizing the respective error covariances. The model error covariance is determined such that the performance of the model forecast is optimized. It is found that the dominant observed features can be described qualitatively by basin-scale Kelvin waves and the first meridional mode Rossby waves. Quantitatively, however, only 23% of the signal variance can be accounted for by this simple model.
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      Fitting Dynamic Models to the Geosat Sea Level Observations in the Tropical Pacific Ocean. Part I: A Free Wave Model

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4164820
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    contributor authorFu, Lee-Lueng
    contributor authorVazquez, Jorge
    contributor authorPerigaud, Claire
    date accessioned2017-06-09T14:50:00Z
    date available2017-06-09T14:50:00Z
    date copyright1991/06/01
    date issued1991
    identifier issn0022-3670
    identifier otherams-27778.pdf
    identifier urihttp://onlinelibrary.yabesh.ir/handle/yetl/4164820
    description abstractFree, equatorially trapped sinusoidal wave solutions to a linear model on an equatorial beta plane are used to fit the Geosat altimetric sea level observations in the Tropical Pacific Ocean. The Kalman filter technique is used to estimate the wave amplitude and phase from the data. The estimation is performed at each time step by combining the model forecast with the observation in an optimal fashion utilizing the respective error covariances. The model error covariance is determined such that the performance of the model forecast is optimized. It is found that the dominant observed features can be described qualitatively by basin-scale Kelvin waves and the first meridional mode Rossby waves. Quantitatively, however, only 23% of the signal variance can be accounted for by this simple model.
    publisherAmerican Meteorological Society
    titleFitting Dynamic Models to the Geosat Sea Level Observations in the Tropical Pacific Ocean. Part I: A Free Wave Model
    typeJournal Paper
    journal volume21
    journal issue6
    journal titleJournal of Physical Oceanography
    identifier doi10.1175/1520-0485(1991)021<0798:FDMTTG>2.0.CO;2
    journal fristpage798
    journal lastpage809
    treeJournal of Physical Oceanography:;1991:;Volume( 021 ):;issue: 006
    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