El Niño-Southern Oscillation Displacements of the Western Equatorial Pacific Warm Pool
- 7 December 1990
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 250 (4986) , 1385-1388
- https://doi.org/10.1126/science.250.4986.1385
Abstract
The western equatorial Pacific warm pool (sea-surface temperatures >29°C) was observed to migrate eastward across the date line during the 1986-1987 El Niño-Southern Oscillation event. Direct velocity measurements made in the upper ocean from 1986 to 1988 indicate that this migration was associated with a prolonged reversal in the South Equatorial Current forced by a large-scale relaxation ofthe trade winds. The data suggest that wind-forced zonal advection plays an important role in the thermodynamics of the western Pacific warm pool on interannual time scales.Keywords
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