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New method for low order spectral model and its application

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Abstract

In order to overcome the deficiency in classical method of low order spectral model, a new method for low order spectral model was advanced. Through calculating the multiple correlation coefficients between combinations of different functions and the recorded data under the least square criterion, the truncated functions which can mostly reflect the studied physical phenomenon were objectively distilled from these data. The new method overcomes the deficiency of artificially selecting the truncated functions in the classical low order spectral model. The new method being applied to study the inter-annual variation of summer atmospheric circulation over Northern Hemisphere, the truncated functions were obtained with the atmospheric circulation data of June 1994 and June 1998. The mechanisms for the two-summer atmospheric circulation variations over Northern Hemisphere were obtained with two-layer quasi-geostrophic baroclinic equation.

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Authors and Affiliations

  1. Department of Atmospheric Science, Yunnan University, Kunming, 650091, P. R. China

    Cao Jie Doctor  (曹杰) & You Ya-lei  (尤亚磊)

Authors
  1. Cao Jie Doctor  (曹杰)
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  2. You Ya-lei  (尤亚磊)
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Corresponding author

Correspondence to Cao Jie Doctor  (曹杰).

Additional information

Communicated by HUANG Yong-nian

Project supported by the National Natural Science Foundation of China(No.40475040) and the Major State Basic Development Program of China(No.2003CB415100)

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Cao, J., You, Yl. New method for low order spectral model and its application. Appl Math Mech 27, 477–484 (2006). https://doi.org/10.1007/s10483-006-0407-z

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  • DOI: https://doi.org/10.1007/s10483-006-0407-z

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Chinese Library Classification

2000 Mathematics Subject Classification

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