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Decomposition of a wind field on the sphere
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1976
[PDF-3.95 MB]
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Description:When decomposing a horizontal wind field into its rotational and divergent components, care must be taken to assure compensating truncation errors in order that the resulting wind components can be used to accurately reconstruct the original field. An example is presented of a finite difference system with second-order accuracy for a regular spherical grid which yields results sufficiently accurate for use in initialization procedures for a primitive equation forecast model used at the National Meteorological Center (NMC).
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Rights Information:CC0 Public Domain
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Compliance:Library
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