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Description:An economical advection scheme with linear high order accuracy is described. A splitting technique is used to solve the equations of a barotropic model. The horizontal advection process is integrated by a quasi-Lagrangian technique which uses cubic splines and deviates from past work by not employing the upstream method. The adjustment process is integrated with a forward-backward scheme. The application of this numerical method to a regional barotropic model shows that it can take full advantage of the splitting method by allowing a long time step for advection while maintaining high accuracy through the use of a cubic spline interpolation line (row) by line (row). Two approaches to the treatment of lateral boundary conditions and alternate schemes for the calculation of the adjustment process are discussed.
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Content Notes:Teng Jiamo.
"This is an unreviewed manuscript, primarily intended for informal exchange of information among NMC staff members."
"February 1988."
System requirements: Adobe Acrobat Reader.
Includes bibliographical references.
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Rights Information:Public Domain
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