Variability of Pacific subtropical cells in the 50-year.

Schott, Friedrich, Wang, Weiqiang and Strammer, D. (2007) Variability of Pacific subtropical cells in the 50-year. Open Access Geophysical Research Letters, 34 (L05604). DOI 10.1029/2006GL028478.

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Abstract

The Pacific Subtropical Cell (STC) circulation is being analyzed from transport time series across 9°S and 9°N, obtained from the German ECCO (GECCO) assimilation results for the period 1952–2002. In this estimate, the interior Pacific STC convergence shows significantly less decadal slowdown from the 1960's to the 1990's (∼5Sv), than in previous estimates based on hydrographic sections. In the GECCO results, about half of this STC convergence decrease is compensated by an increase in the equatorward transport of the western boundary currents. Overall, the STC varies primarily on interannual time scale, with relatively short time lags between STC convergence and transport variations of the Equatorial Undercurrent at 140°W.

Document Type: Article
Keywords: Pacific, subtrocical cell, ECCO model, assimilation
Research affiliation: OceanRep > GEOMAR > FB1 Ocean Circulation and Climate Dynamics > FB1-PO Physical Oceanography
Refereed: Yes
Open Access Journal?: No
Publisher: AGU (American Geophysical Union)
Date Deposited: 03 Dec 2008 16:51
Last Modified: 15 Feb 2018 11:00
URI: https://oceanrep.geomar.de/id/eprint/7577

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