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Origins and Dynamics of the 90-Day and 30–60-Day Variations in the Equatorial Indian Ocean
Publisher: American Meteorological Society
Abstract: Sea level observations in the equatorial Indian Ocean show a dominant spectral peak at 90 days and secondary peaks at 30?60 days over an intraseasonal period (20?90 days). A detailed investigation of the origins and dynamics ...
Influence of the Indian Ocean Dipole on Atmospheric Subseasonal Variability
Publisher: American Meteorological Society
Abstract: The relationship between atmospheric subseasonal variability and interannual variation of SST over the tropical Indian Ocean is examined using winds and humidity from the NCEP?NCAR reanalysis, outgoing longwave radiation ...
Roles of Equatorial Waves and Western Boundary Reflection in the Seasonal Circulation of the Equatorial Indian Ocean
Publisher: American Meteorological Society
Abstract: An ocean general circulation model (OGCM) is used to study the roles of equatorial waves and western boundary reflection in the seasonal circulation of the equatorial Indian Ocean. The western boundary reflection is defined ...
Decadal Sea Level Variations in the Indian Ocean Investigated with HYCOM: Roles of Climate Modes, Ocean Internal Variability, and Stochastic Wind Forcing
Publisher: American Meteorological Society
Abstract: n this study decadal (≥10 yr) sea level variations in the Indian Ocean (IO) during 1950?2012 are investigated using the Hybrid Coordinate Ocean Model (HYCOM). The solution of the main run agrees well with observations in ...
Topographic Trapping of the Leeuwin Current and Its Impact on the 2010/11 Ningaloo Niño
Publisher: American Meteorological Society
Intraseasonal-to-Interannual Variability of South Indian Ocean Sea Level and Thermocline: Remote versus Local Forcing
Publisher: American Meteorological Society
Abstract: he relative importance of local versus remote forcing on intraseasonal-to-interannual sea level and thermocline variability of the tropical south Indian Ocean (SIO) is systematically examined by performing a suite of ...
Forcing Mechanisms of Sea Level Interannual Variability in the Bay of Bengal
Publisher: American Meteorological Society
Abstract: A nonlinear, 4½-layer reduced-gravity ocean model with active thermodynamics and mixed layer physics is used to investigate the causes of sea level interannual variability in the Bay of Bengal, which may contribute to ...
Influence of the Madden–Julian Oscillation and Intraseasonal Waves on Surface Wind and Convection of the Tropical Atlantic Ocean
Publisher: American Meteorological Society
Abstract: tmospheric intraseasonal variability in the tropical Atlantic is analyzed using satellite winds, outgoing longwave radiation (OLR), and reanalysis products during 2000?08. The analyses focus on assessing the effects of ...
Interbasin and Multiple-Time-Scale Interactions in Generating the 2019 Extreme Indian Ocean Dipole
Publisher: American Meteorological Society
Unraveling Causes for the Changing Behavior of the Tropical Indian Ocean in the Past Few Decades
Publisher: American Meteorological Society
Abstract: AbstractObservations show that decadal (10?20 yr) to interdecadal (>20 yr) variability of the tropical Indian Ocean (TIO) sea surface temperature (SST) closely follows that of the Pacific until the 1960s. Since then, the ...