High-order time-integration schemes with explicit time-splitting methods

Sang Hun Park, Tae Young Lee

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)


New high-order time-integration schemes for fully elastic models are presented. The new schemes, for- mulated using the Richardson extrapolation that employs leapfrog-type schemes, can give a good performance for linear model problems and ensure overall stability when they are combined with a forward-backward scheme for fast waves. The new and existing schemes show differences in the order of accuracy. Thus, they can be useful for investigating the impacts of time-integration scheme accuracy on the performance of numerical models. The high-order schemes are found to play an important role in the improvement of high-resolution simulations, according to idealized tests. The new schemes are less efficient than other well-known schemes at moderate spatial resolutions. However, the new schemes can be more efficient than the existing schemes when the resolution becomes very high.

Original languageEnglish
Pages (from-to)4047-4060
Number of pages14
JournalMonthly Weather Review
Issue number11
Publication statusPublished - 2009 Nov

All Science Journal Classification (ASJC) codes

  • Atmospheric Science


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