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Sensitivity of Tropical Rainfall to Banda Sea Diffusivity in the Community Climate System Model
Publisher: American Meteorological Society
Abstract: Several observational studies suggest that the vertical diffusivity in the Indonesian marginal seas is an order of magnitude larger than in the open ocean and what is used in most ocean general circulation models. The ...
Internal Variability of Indian Ocean SST
Publisher: American Meteorological Society
Abstract: A 40-yr integration of an eddy-resolving numerical model of the tropical Indian Ocean is analyzed to quantify the interannual variability that is caused by the internal variability of ocean dynamics. It is found that along ...
Temperature Advection by Tropical Instability Waves
Publisher: American Meteorological Society
Abstract: A numerical model of the tropical Pacific Ocean is used to investigate the processes that cause the horizontal temperature advection of tropical instability waves (TIWs). It is found that their temperature advection cannot ...
Influence of the Meridional Overturning Circulation on Tropical–Subtropical Pathways
Publisher: American Meteorological Society
Abstract: An ocean GCM is used for idealized studies of the Atlantic circulation in a square basin. The subtropical, the tropical, and the equatorial gyres are produced by forcing the model with a wind stress profile having only ...
A New Theory for the Generation of the Equatorial Subsurface Countercurrents
Publisher: American Meteorological Society
Abstract: An idealized numerical simulation of the tropical Atlantic Ocean is used to study the dynamics of an Atlantic subsurface countercurrent, the South Equatorial Undercurrent (SEUC). The particular structure of the SEUC between ...
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Publisher: American Meteorological Society
Abstract: A previous study on the generation of equatorial subsurface countercurrents is revisited to clarify some details of the assumptions that are needed to derive the momentum budget. The opportunity is also used to put the ...
Seasonal Influence of Indonesian Throughflow in the Southwestern Indian Ocean
Publisher: American Meteorological Society
Abstract: The influence of the Indonesian Throughflow (ITF) on the dynamics and the thermodynamics in the southwestern Indian Ocean (SWIO) is studied by analyzing a forced ocean model simulation for the Indo-Pacific region. The warm ...
Dynamics of the Intraseasonal Oscillations in the Indian Ocean South Equatorial Current
Publisher: American Meteorological Society
Abstract: The spatial and temporal features of intraseasonal oscillations in the southwestern Indian Ocean are studied by analyzing model simulations for the Indo-Pacific region. The intraseasonal oscillations have periods of 40?80 ...
Understanding the ENSO–CO2 Link Using Stabilized Climate Simulations
Publisher: American Meteorological Society
Abstract: he influence of atmospheric CO2 concentration on the El Niño?Southern Oscillation (ENSO) is explored using 800-yr integrations of the NCAR Community Climate System Model, version 3.5 (CCSM3.5), with CO2 stabilized at the ...
Tropical Atmospheric Variability Forced by Oceanic Internal Variability
Publisher: American Meteorological Society
Abstract: Atmospheric general circulation model experiments are conducted to quantify the contribution of internal oceanic variability in the form of tropical instability waves (TIWs) to interannual wind and rainfall variability in ...