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  Modal structure of variations in the tropical climate system. Part II: Origins of the LF mode

Latif, M., Flügel, M., Barnett, T. P., & Graham, N. E. (1992). Modal structure of variations in the tropical climate system. Part II: Origins of the LF mode. Report / Max-Planck-Institut für Meteorologie, 096.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0001-87B2-D Version Permalink: https://hdl.handle.net/21.11116/0000-0001-8838-7
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 Creators:
Latif, Mojib1, Author
Flügel, Moritz1, Author
Barnett, Timothy P.2, Author
Graham, Nicholas E.2, Author
Affiliations:
1MPI for Meteorology, Max Planck Society, Bundesstraße 53, 20146 Hamburg, DE, ou_913545              
2Climate Research Division, Scripps Insitution of Oceanography, La Jolla, California 92093, US, ou_persistent22              

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 Abstract: Simulations with ocean and atmospheric general circulation models and a hybrid coupled model reproduce well the observed features of variability in the low frequency (LF) mode described in Part I. The model results show the origins of the LF to be in the ocean and suggest this phe- nomenon is a natural mode of the tropical Pacific Basin. Air-sea interactions amplify the ocean mode by a factor of 5-6 so it obtains climatologicalximportance. .These same inter- actions introduce the LF to the atmosphere. The physical processes responsible for these results are presented. The LF mode of interannual variability is not directly driven by the annual cycle. But it does depend importantly on the fact that the ocean-atmosphere coupling strength vary with respect to the annual cycle. The LF mode appears to be rather sharply peaked in wave number space but broadbanded in frequency space.

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Language(s): eng - English
 Dates: 1992
 Publication Status: Issued
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 Rev. Type: Internal
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Title: Report / Max-Planck-Institut für Meteorologie
  Other : MPI Report
Source Genre: Series
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Publ. Info: Hamburg : Max-Planck-Institut für Meteorologie
Pages: - Volume / Issue: 096 Sequence Number: - Start / End Page: - Identifier: Other: 0937-1060
CoNE: https://pure.mpg.de/cone/journals/resource/0937-1060