Barotropic model simulations of the North Pacific retrograde disturbances

Huei-Ping Huang, W. A. Robinson

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Branstator-Kushnir-type large-scale westward propagating waves are investigated using linear and nonlinear global barotropic models with an idealized zonally asymmetric basic state. Retrograde waves are found in the most unstable normal mode of the zonally asymmetric basic state with a jet in the northern Hemisphere. Westward propagating waves also exist in nonlinear equilibrium states under a wide range of supercriticality and in both periodic and chaotic regimes. Local energetics analyses of the linear and nonlinear cases show that the barotropic energy conversion concentrated in the jet exit supplies the perturbation energy of the disturbances all over the globe. -from Authors

Original languageEnglish (US)
Pages (from-to)1630-1641
Number of pages12
JournalJournal of the Atmospheric Sciences
Volume52
Issue number10
StatePublished - 1995
Externally publishedYes

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disturbance
simulation
Northern Hemisphere
energetics
perturbation
energy
energy conversion

ASJC Scopus subject areas

  • Atmospheric Science

Cite this

Barotropic model simulations of the North Pacific retrograde disturbances. / Huang, Huei-Ping; Robinson, W. A.

In: Journal of the Atmospheric Sciences, Vol. 52, No. 10, 1995, p. 1630-1641.

Research output: Contribution to journalArticle

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