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RISA Verified Estimation of the El Niño Index Niño-3.4 since 1877
Publisher: American Meteorological Society
Abstract: Decadal and longer time-scale variabilities of the best known El Niño?Southern Oscillation (ENSO) indexes are poorly correlated before 1950, and so knowledge of interdecadal variability and trend in ENSO indexes is dubious, ...
Seasonal Propagation of Sea Level along the Equator in the Atlantic
Publisher: American Meteorological Society
Abstract: In the equatorial Atlantic the sea surface height (SSH) anomaly field is dominated by an annual signal propagating eastward. This signal has been previously interpreted in terms of propagating waves. In this article it is ...
On the Warm Water Volume and Its Changing Relationship with ENSO
Publisher: American Meteorological Society
Abstract: he interannual, equatorial Pacific, 20°C isotherm depth variability since 1980 is dominated by two empirical orthogonal function (EOF) modes: the ?tilt? mode, having opposite signs in the eastern and western equatorial ...
Variability at Intermediate Depths at the Equator in the Atlantic Ocean in 2000–06: Annual Cycle, Equatorial Deep Jets, and Intraseasonal Meridional Velocity Fluctuations
Publisher: American Meteorological Society
Abstract: Time series of high vertical resolution current meter measurements between 600-m and 1800-m depths on the equator in the Atlantic were obtained at two locations, 10° and 23°W. The measurements have a time span of almost 7 ...
Variability of the Horizontal Velocity Structure in the Upper 1600 m of the Water Column on the Equator at 10°W
Publisher: American Meteorological Society
Abstract: This paper presents initial results from new velocity observations in the eastern part of the equatorial Atlantic Ocean from a moored current-meter array. During the ?EQUALANT? program (1999?2000), a mooring array was ...