Atmospheric Transport Schemes: Desirable Properties and a Semi-Lagrangian View on Finite-Volume Discretizations

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Abstract

This chapter has twofold purpose. After a short introduction to the mass continuity equations in atmospheric models, desirable properties for mass transport schemes intended for meteorological applications are discussed in some detail. This includes a discussion on the complications caused by the non-linearity of most problems of interest that makes it hard to define accuracy and convergence as the ‘truth’ is not known. Thereafter, some finite-volume schemes from the atmospheric literature are reviewed and discussed. To complement the large existing literature on finite-volume schemes, a less frequently discussed semi-Lagrangian derivation of the finite-volume method is given that focuses on ‘remap-type’ schemes where the space and time discretizations are combined rather than separated. A discussion on the challenges in deriving accurate schemes intended for global models and non-traditional spherical grids is given as well.

Original languageEnglish
Title of host publicationLecture Notes in Computational Science and Engineering
PublisherSpringer Verlag
Pages185-250
Number of pages66
DOIs
StatePublished - 2011

Publication series

NameLecture Notes in Computational Science and Engineering
Volume80
ISSN (Print)1439-7358

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