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RISTopographic Scattering of Equatorial Kelvin Waves
Publisher: American Meteorological Society
Abstract: We develop a linear, reduced-gravity model with two active layers above a deep, resting layer to examine the scattering of equatorial Kelvin waves from meridional submarine ridges. Model ridges, idealized as infinitely ...
Changes in Tropical Pacific Thermocline Depth and Their Relationship to ENSO after 1999
Publisher: American Meteorological Society
Abstract: he characteristics of El Niño?Southern Oscillation (ENSO) variability have experienced notable changes since the late 1990s, including a breakdown of the zonal mean upper-ocean heat content as a precursor for ENSO. These ...
The Interaction of Equatorial Kelvin Waves with Realistically Sheared Zonal Currents
Publisher: American Meteorological Society
Abstract: We investigate the interaction of baroclinic equatorial Kelvin waves with realistically sheared background zonal currents in a linearized, continuously stratified model. The background flows are in thermal wind balance and ...
On the Structure of Low-Frequency Equatorial Waves
Publisher: American Meteorological Society
Abstract: We examine the effects of realistically sheared mean currents on low-frequency, low baroclinic mode equatorial Kelvin and Rossby waves. Mean flows can induce significant small-scale zonal velocity fluctuations near the ...
The Influence of Sea-Surface Temperature on Surface Wind in the Eastern Equatorial Pacific: Weekly to Monthly Variability
Publisher: American Meteorological Society
Abstract: Temporal correlations between near-equatorial surface wind and sea-surface temperatures (SST) at 11°W in the eastern Pacific Ocean are investigated using data from an array of moored sensors between 5°N and 5°S. The signature ...
Internal Waves and Turbulence in the Upper Central Equatorial Pacific: Lagrangian and Eulerian Observations
Publisher: American Meteorological Society
Abstract: In the shear stratified flow below the surface mixed layer in the central equatorial Pacific, energetic near-N (buoyancy frequency) internal waves and turbulence mixing were observed by the combination of a Lagrangian ...
Internal Waves and Turbulence in the Upper Central Equatorial Pacific: Lagrangian and Eulerian Observations
Publisher: American Meteorological Society
Abstract: In the shear stratified flow below the surface mixed layer in the central equatorial Pacific, energetic near-N (buoyancy frequency) internal waves and turbulence mixing were observed by the combination of a Lagrangian ...
Variability in the Western Equatorial Pacific Ocean during the 1986–87 El Niño/Southern Oscillation Event
Publisher: American Meteorological Society
Abstract: We describe variability in the western Pacific Ocean during the 1986?87 El Niño/Southern Oscillation (ENSO) event, with emphasis on time series measurements of currents, temperature, sea level and winds near the equator ...
Internal Waves, Dynamic Instabilities, and Turbulence in the Equatorial Thermocline: An Introduction to Three Papers in this Issue
Publisher: American Meteorological Society
Abstract: Appearing in this issue of the Journal of Physical Oceanography are three papers that present new observations of a distinct, narrow band, and diurnally varying signal in temperature records obtained in the low Richardson ...
RAMA: The Research Moored Array for African–Asian–Australian Monsoon Analysis and Prediction*
Publisher: American Meteorological Society
Abstract: The Indian Ocean is unique among the three tropical ocean basins in that it is blocked at 25°N by the Asian landmass. Seasonal heating and cooling of the land sets the stage for dramatic monsoon wind reversals, strong ...