Diagnosis of optimal perturbation evolution in the Eady model

The structure and evolution of Eady model singular vector (SV, also referred to as optimal perturbation) streamfunction perturbations are described using a combinaton of two different partitions of the vector subspace describing all possible streamfunction perturbations. A modal partitioning of the...

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Bibliographic Details
Published in:Journal of the atmospheric sciences 2002-01, Vol.59 (2), p.169-185
Main Authors: MORGAN, Michael C, CHEN, Chih-Chieh
Format: Article
Language:English
Subjects:
Atmosphere
Earth, ocean, space
Exact sciences and technology
External geophysics
Meteorology
Other topics in atmospheric geophysics
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Description
Summary:The structure and evolution of Eady model singular vector (SV, also referred to as optimal perturbation) streamfunction perturbations are described using a combinaton of two different partitions of the vector subspace describing all possible streamfunction perturbations. A modal partitioning of the SV perturbation streamfunction (expressing the SV streamfunction as a linear combination of modal structures) is used to ascribe the roles and relative importance of the continuum modes (CMs) and the discrete normal modes (NMs) in SV initial structure and subsequent evolution.
ISSN:0022-4928
1520-0469
DOI:10.1175/1520-0469(2002)059<0169:DOOPEI>2.0.CO;2