Document Type

Article

Publication Date

9-1-2004

Department

Marine Science

Abstract

A new representation of the Coriolis terms on the Arakawa C grid is proposed. The approximation dumps the grid-scale noise that arises because of spatial averaging of the Coriolis terms when the grid spacing is larger than the deformation radius. The proposed approximation can also be applied in C-grid schemes with semi-implicit treatment of the Coriolis terms. The new scheme is analyzed in the context of the linear inertial-gravity waves and its advantageous behavior is demonstrated with respect to the conventional technique.

Comments

©Monthly Weather Review
DOI: 10.1175/1520-0493(2004)132<2283:OTAOTC>2.0.CO;2

Publication Title

Monthly Weather Review

Volume

132

Issue

9

First Page

2283

Last Page

2289

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