Browse by author
Lookup NU author(s): Emeritus Professor Robin Johnson
This work is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).
© 2021 The Authors.The leading-order equations governing the unsteady dynamics of large-scale atmospheric motions are derived, via a systematic asymptotic approach based on the thin-shell approximation applied to the ellipsoidal model of the Earth's geoid. We present some solutions of this single set of equations that capture properties of specific atmospheric flows, using field data to choose models for the heat sources that drive the motion. In particular, we describe standing-waves solutions, waves propagating towards the Equator, equatorially trapped waves and we discuss the African Easterly Jet/Waves. This work aims to show the benefits of a systematic analysis based on the governing equations of fluid dynamics.
Author(s): Constantin A, Johnson RS
Publication type: Article
Publication status: Published
Journal: Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences
Year: 2021
Volume: 477
Issue: 2250
Print publication date: 01/06/2021
Online publication date: 02/06/2021
Acceptance date: 04/05/2021
Date deposited: 12/08/2021
ISSN (print): 1364-5021
ISSN (electronic): 1471-2946
Publisher: Royal Society Publishing
URL: https://doi.org/10.1098/rspa.2020.0424
DOI: 10.1098/rspa.2020.0424
Altmetrics provided by Altmetric