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Empirical orthogonal modes in the Western Pacific

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Abstract

The method of empirical orthogonal modes has been widely used since the 1970's in physical oceanography to study and rebuild vertical structures of ocean dynamic factors. Because of the dominance of the low modes, the dynamic profile data can be largely reduced.

Up to now, all expressions of empirical orthogonal modes are numerical. In this study, an analytic expression for empirical orthogonal ocean modes is constructed for convenient use whereby any numerical expressions can be repeated.

The features of the normal modes decomposed from the buoyance frequency profiles obtained in October of 1986, 1987 and 1988 by the R/VScience 1 in the western Pacific are quantitatively examined in this study.

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Authors and Affiliations

  1. Institute of Oceanology, Academia Sinica, Qingdao, China

    Cui Maochang & Hu Dunxin

Authors
  1. Cui Maochang
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  2. Hu Dunxin
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Additional information

Contribution No. 1724 from the Institute of Oceanology, Academia Sinica

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Maochang, C., Dunxin, H. Empirical orthogonal modes in the Western Pacific. Chin. J. Ocean. Limnol. 8, 328–335 (1990). https://doi.org/10.1007/BF02849678

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  • DOI: https://doi.org/10.1007/BF02849678

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