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Price, M, Heywood, KJ 
ORCID: https://orcid.org/0000-0001-9859-0026, Stevens, DP ORCID: https://orcid.org/0000-0002-7283-4405, King, B. and Naveira Garabato, AC
(2005)
The causes of full ocean depth interannual variability in Drake Passage.
CLIVAR Exchanges, 10 (4).
pp. 27-29.
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Abstract
In recent years a number of large scale modes of Southern Hemisphere climate variability have been observed, most notably the Southern Annular Mode (SAM, e.g. Thompson and Solomon, 2002), the Pacific South American modes (PSA, e.g. Mo and Peagle, 2001), the Antarctic Dipole (e.g. Martinson and Ianuzzi, 2003), the Antarctic Circumpolar Wave (e.g. White and Peterson, 1996), and of course the El Niño Southern Oscillation (ENSO). All have pronounced effects over or in the Southern Ocean, and may be expected to account for a significant part of the interannual variability observed there. Most studies analyse these phenomena from a large-scale point of view, often by extracting modes from Southern Hemisphere atmospheric and oceanic fields using various mathematical techniques. In this study we have taken an alternative approach, and tried to understand the causes of the full ocean depth variability in Drake Passage observed in the WOCE SR1b repeat hydrographic sections (Cunningham et al. 2003).
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