Background Error Covariance Modelling

Background Error Covariance Modelling
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发表时间:
2003
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通讯作者:
M. Fisher
M. Fisher
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其他
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作者:
M. Fisher

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背景误差协方差矩阵的建模和规范是任何数据同化系统中的重要元素,因为主要是背景误差协方差矩阵决定了观测信息如何传播到附近的网格点和同化模型的水平,允许风场观测用于收集关于质量场的信息,反之亦然。
The modelling and specification of the covariance matrix of background error are important elements in any data assimilation system, since it is primarily the background error covariance matrix that determines how information from observations is spread to nearby grid-points and levels of the assimilating model, that allows observations of the wind field to be used to garner information about the mass field, and vice versa.