On the Relationship between Tropical and North Pacific Sea Surface Temperature Variations

Empirical orthogonal function analysis of winter sea surface temperature (SST) anomalies over the Pacific domain (60°N–20°S) reveals an El Niño–Southern Oscillation (ENSO) mode that is linked to the eastern North Pacific, and a North Pacific mode that is linearly independent of ENSO. The North Pacif...

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Bibliographic Details
Published in:Journal of climate 1995-06, Vol.8 (6), p.1677-1680
Main Authors: Deser, Clara, Blackmon, Maurice L.
Format: Article
Language:English
Subjects:
Atmospherics
Cooling
Correlation coefficients
Earth, ocean, space
El Nino
Exact sciences and technology
External geophysics
Global climate models
Marine
NOTES AND CORRESPONDENCE
Oceans
Physics of the oceans
Sea surface temperature
Standard deviation
Thermohaline structure and circulation. Turbulence and diffusion
Time series
Winter
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Summary:Empirical orthogonal function analysis of winter sea surface temperature (SST) anomalies over the Pacific domain (60°N–20°S) reveals an El Niño–Southern Oscillation (ENSO) mode that is linked to the eastern North Pacific, and a North Pacific mode that is linearly independent of ENSO. The North Pacific mode exhibits maximum amplitude and variance explained along ∼40°N, west of ∼170°W. SSTs in this region have decreased by ∼1.5°C from 1950 to 1987. The cooling in winter has been associated with a strengthening of the overlying westerly winds.
ISSN:0894-8755
1520-0442
DOI:10.1175/1520-0442(1995)008<1677:otrbta>2.0.co;2