On the direction of the eddy momentum flux in baroclinic instability.

I. M. Held, D. G. Andrews

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28 Scopus citations


The direction of the vertically-integrated horizontal eddy flux of momentum in linear baroclinically unstable modes is investigated in a number of cases where the basic flow contains horizontal, as well as vertical, shear. A general result is presented for slowly-growing modes on a flow with weak horizontal shear. Some special cases are described in which standard baroclinic instabilities of finite growth rate (for an internal jet, Eady's model, and a two-layer model) are perturbed by weak horizontal shear, and some computations for flows with large horizontal shear are also mentioned. -from Authors

Original languageEnglish (US)
Pages (from-to)2220-2231
Number of pages12
JournalJournal of the Atmospheric Sciences
Issue number9
StatePublished - 1983

All Science Journal Classification (ASJC) codes

  • Atmospheric Science


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