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Real data experiments with a fourth order version of the operational seven-layer model
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1978
[PDF-1.65 MB]
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Description:"There are several techniques available which reduce space truncation error in grid point atmospheric models. Two of them have been used in the seven-layer primitive equation model (7L PE) at NMC. The first one uses a finer grid mesh to obtain more accurate resolution of meteorological waves- the smaller grid spacing also makes the finite differences closer approximations to the continuous equations. By changing grid distance from 1 bedient (381 km at 60°N) to ¹/₂ bedient, the operational hemispheric 7L PE model has successfully reduced the effects of spatial truncation error - translational speeds of meteorological waves have been improved and both locked-in error and cross contour flow problems have been reduced"--Introduction.
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Content Notes:Kenneth A. Campana.
"September 1978."
"This is an unreviewed manuscript, primarily intended for informal exchange of information among NMC staff members."
System requirements: Adobe Acrobat Reader.
Includes bibliographical references (page 11).
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Rights Information:Public Domain
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Compliance:Library
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