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Semi-Lagrangian integration of a gridpoint shallow water model on the sphereA stable, semi-Lagrangian, semi-implicit, two-time-level, gridpoint integration scheme for the shallow water equations on the sphere is presented. A rotated spherical coordinate system is used to integrate the equations of motion at each gridpoint poleward of a certain latitude, thus overcoming problems associated with the polar singularity. The results of medium term integrations of large scale test patterns using a long time step are presented.
Document ID
19890044987
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Mcdonald, A.
(Irish Meteorological Service Dublin, Ireland)
Bates, J. R.
(NASA Goddard Space Flight Center Greenbelt, MD; Irish Meteorological Service, Dublin, Ireland)
Date Acquired
August 14, 2013
Publication Date
January 1, 1989
Publication Information
Publication: Monthly Weather Review
Volume: 117
ISSN: 0027-0644
Subject Category
Numerical Analysis
Accession Number
89A32358
Funding Number(s)
CONTRACT_GRANT: NAG5-867
Distribution Limits
Public
Copyright
Other

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