NDLI: Wind stress variations and interannual sea surface temperature anomalies in the eastern equatorial pacific

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Wind stress variations and interannual sea surface temperature anomalies in the eastern equatorial pacific

Content Provider	Semantic Scholar
Author	Zhang, Xuebin McPhaden, Michael J.
Copyright Year	2006
Abstract	Abstract Vertical advection of temperature is the primary mechanism by which El Nino–Southern Oscillation (ENSO) time-scale sea surface temperature (SST) anomalies are generated in the eastern equatorial Pacific. Variations in vertical advection are mediated primarily by remote wind-forced thermocline displacements, which control the temperature of water upwelled to the surface. However, during some ENSO events, large wind stress variations occur in the eastern Pacific that in principle should affect local upwelling rates, the depth of the thermocline, and SST. In this study, the impact of these wind stress variations on the eastern equatorial Pacific is addressed using multiple linear regression analysis and a linear equatorial wave model. The regression analysis indicates that a zonal wind stress anomaly of 0.01 N m−2 leads to approximately a 1°C SST anomaly over the Nino-3 region (5°N–5°S, 90°–150°W) due to changes in local upwelling rates. Wind stress variations of this magnitude occurred in the easte...
Starting Page	226
Ending Page	241
Page Count	16
File Format	PDF HTM / HTML
DOI	10.1175/JCLI3618.1
Volume Number	19
Alternate Webpage(s)	http://pordlabs.ucsd.edu/xbzhang/publication/Zhang_McPhaden_Jclim_2006.pdf
Alternate Webpage(s)	http://www.geo.hunter.cuny.edu/~fbuon/EES_717/references/ENSO/Zhang2005_windstress_SSTA.pdf
Alternate Webpage(s)	https://doi.org/10.1175/JCLI3618.1
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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