Spectra Computed from a Limited Area Grid

Ronald M. Errico National Center for Atmospheric Research, Boulder, CO 80307

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Abstract

A method is presented for determining variance spectra of meteorological fields specified on limited-area grids. Spectra so obtained are compared with global spectra of the same data. An example of scale decomposition (i.e., filtering) using this method is also presented. The method is proposed as an analysis tool for data produced by limited-area models.

Abstract

A method is presented for determining variance spectra of meteorological fields specified on limited-area grids. Spectra so obtained are compared with global spectra of the same data. An example of scale decomposition (i.e., filtering) using this method is also presented. The method is proposed as an analysis tool for data produced by limited-area models.

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