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  Pacific thermocline bridge revisited

Schneider, N., Venzke, S., Miller, A. J., Pierce, D. W., Barnett, T. P., Deser, C., et al. (1999). Pacific thermocline bridge revisited. Geophysical Research Letters, 26, 1329-1332. doi:10.1029/1999GL900222.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0005-7CEF-4 Version Permalink: https://hdl.handle.net/21.11116/0000-000E-7334-6
Genre: Journal Article

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 Creators:
Schneider, N., Author
Venzke, S.1, Author
Miller, A. J., Author
Pierce, D. W., Author
Barnett, T. P., Author
Deser, C., Author
Latif, M.1, Author
Affiliations:
1MPI for Meteorology, Max Planck Society, Bundesstraße 53, 20146 Hamburg, DE, ou_913545              

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Free keywords: TROPICAL PACIFIC; OCEAN; VARIABILITY; GCMGeology;
 Abstract: The coupling on decadal time scales of the midlatitude and tropical Pacific via an oceanic 'bridge' in the thermocline is investigated using ocean general circulation model hindcasts and a coupled ocean atmosphere model. Results indicate that in the tropics decadal anomalies of isopycnal depth are forced by Ekman pumping and are largely independent of the arrival of subducted anomalies in the thermocline that originate in the mid-latitudes of either hemisphere. In the coupled model, temperature anomalies on isopycnals show little coupling from the tropics to the northern hemisphere, but are lag correlated between southern hemisphere mid- and low-latitudes. However, anomaly magnitudes on the equator are small. These results suggest that the oceanic 'bridge' to the northern hemisphere explains only a small part of the observed decadal variance in the equatorial Pacific. Coupling to the southern mid-latitudes via temperature anomalies on isopycnals remains an intriguing possibility.

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Language(s): eng - English
 Dates: 1999
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: ISI: 000080122900037
DOI: 10.1029/1999GL900222
 Degree: -

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Title: Geophysical Research Letters
  Abbreviation : GRL
Source Genre: Journal
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Publ. Info: Washington, D.C. : American Geophysical Union / Wiley
Pages: - Volume / Issue: 26 Sequence Number: - Start / End Page: 1329 - 1332 Identifier: ISSN: 0094-8276
CoNE: https://pure.mpg.de/cone/journals/resource/954925465217

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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: 273 Sequence Number: - Start / End Page: - Identifier: ISSN: 0937-1060
CoNE: https://pure.mpg.de/cone/journals/resource/0937-1060