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OCEAN DATA ASSIMILATION SYSTEMS FOR GODAE

机译：GODAE的海洋数据同化系统

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摘要

Ocean data assimilation has matured to the point that observations are now routinely combined with model forecasts to produce a variety of ocean products. Approaches to ocean data assimilation vary widely both in terms of the sophistication of the method and the observations assimilated, and also in terms of specification of the forecast error covariances, model biases, observation errors, and quality-control procedures. In this paper, we describe some of the ocean data assimilation systems that have been developed within the Global Ocean Data Assimilation Experiment (GODAE) community. We discuss assimilation methods, observations assimilated, and techniques used to specify error covariances. In addition, we describe practical implementation aspects and present analysis performance results for some of the analysis systems. Finally, we describe plans for improving the assimilation systems in the post-GODAE time period beyond 2008.
机译：海洋数据同化已经成熟到现在将观测与模型预测常规结合以生产各种海洋产品的地步。海洋数据同化的方法不仅在方法的复杂性和被同化的观测方面，而且在预测误差协方差，模型偏差，观测误差和质量控制程序的规范方面都有很大差异。在本文中，我们描述了一些在全球海洋数据同化实验（GODAE）社区内开发的海洋数据同化系统。我们讨论同化方法，同化观察和用于指定误差协方差的技术。此外，我们描述了实际的实现方面，并介绍了某些分析系统的分析性能结果。最后，我们描述了在2008年之后的GODAE后时期改进同化系统的计划。

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  • 来源
    《Oceanography》 |2009年第3期|96-109|共14页
  • 作者

    JAMES CUMMINGS; LAURENT BERTINO; PIERRE BRASSEUR; ICHIRO FUKUMORI; MASAFUMI KAMACHI; MATTHEW J. MARTIN; KRISTIAN MOCENSEN; PETER OKE; CHARLES EMMANUEL TESTUT; JACQUES VERRON; ANTHONY WEAVER;

  • 作者单位

    Naval Research Laboratory, Monterey, California, USA;

    Modeling and Data Assimilation Croup, Nansen Environmental and Remote Sensing Center, Bergen, Norway;

    Conseil National de la Recherche Scientifique/Laboratoire des Ecoulements Geophysiques et Industriels (CNRS/LEGI), Grenoble, France;

    Ocean Circulation Division, Jet Propulsion Laboratory, Pasadena, California, USA;

    Second Laboratory, Oceanographic Research Department, Meteorological Research Institute, Tsukuba, Japan;

    Met Office, Exeter, UK;

    European Centre for Medium-Range Weather Forecasting Reading UK;

    Commonwealth Scientific and Industrial Research Organisation, Hobart, Tasmania, Australia;

    Mercator Ocean, Toulouse, France;

    Directeur de Recherche, Centre National de la Recherche Scientifique, Laboratoire des Ecoulements Geophysiques et Industriels, Grenoble, France;

    Centre Europeen de Recherche et de Formation Avancee en Calcul Scientifique, Toulouse, France;

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