期刊
GEOPHYSICAL RESEARCH LETTERS
卷 27, 期 15, 页码 2261-2264出版社
AMER GEOPHYSICAL UNION
DOI: 10.1029/1999GL011324
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Analysis of this century's sea surface temperatures over the Pacific Ocean reveals an interdecadal oscillation with a period of 15-20 years. Our results show that the well-known 1976-77 climate regime shift is not unique, but represents one of several phase transitions associated with this interdecadal oscillation, also found around 1924-25, 1941-42, and 1957-58. The oscillation's striking north-south symmetry the equator implies strong interactions between tropics ana extratropics. A mode with a period of approximately 70 years and an apparently different spatial pattern is also identified tentatively but has to be evaluated further using longer time series.
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