Analysis of the singular vectors of the full-physics Florida State University Global Spectral Model

Zhijin Li; I. M. Navon; M. Y. Hussaini

doi:10.3402/tellusa.v57i4.14703

Analysis of the singular vectors of the full-physics Florida State University Global Spectral Model

Tellus

Volume 57 (2005): Issue 4

By: Zhijin Li, I. M. Navon and M. Y. Hussaini

Open Access

|Jan 2005

Abstract

Analysis of singular vectors (SVs) is performed on the Florida State University Global Spectral Model, which includes linearized full physics of the atmosphere. It is demonstrated that the physical processes, especially precipitation, fundamentally affect the leading SVs. When the SVs are coupled with the precipitation geographically, their growth rates increase substantially and their structures change significantly. The physical processes however have little impact on growth rates or structures of the SVs that are geographically independent of precipitation. Furthermore, it is shown that spatial filtering along with the projection operator that projects the flow winds to the rotational wind (designed as a simple initialization process) improves the structural features of SVs and is found to mitigate spurious modes.

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DOI: https://doi.org/10.3402/tellusa.v57i4.14703 | Journal eISSN: 3035-9554

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Language: English

Page range: 560 - 574

Submitted on: Jul 21, 2003

Accepted on: Nov 9, 2004

Published on: Jan 1, 2005

Published by: Stockholm University Press

In partnership with: Paradigm Publishing Services

© 2005 Zhijin Li, I. M. Navon, M. Y. Hussaini, published by Stockholm University Press
This work is licensed under the Creative Commons Attribution 4.0 License.

Volume 57 (2005): Issue 4