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Backward integration of the NMC 8-Level Global Model
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1974
[PDF-529.74 KB]
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Description:"One of the problems in four-dimensional data assimilation is the "rejection" phenomenon: the tendency of a numerical prediction model to ignore inserted asynoptic observations, thus restoring the dynamic balance existing prior to insertion. The effect is to reduce the influence of the inserted observations. Morel, Lefevre and Rabreau (1971) have suggested repeatedly introducing each observation as the model is integrated forward and backward over the interval containing the data as a means of overcoming this problem"--Introduction.
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Content Notes:Ronald D. McPherson.
"September 1974."
System requirements: Adobe Acrobat Reader.
Includes bibliographical references (page 3).
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Rights Information:Public Domain
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Compliance:Library
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