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RISA New Look at the Physics of Rossby Waves: A Mechanical–Coriolis Oscillation
Publisher: American Meteorological Society
Abstract: he presence of the latitudinal variation of the Coriolis parameter serves as a mechanical barrier that causes a mass convergence for the poleward geostrophic flow and divergence for the equatorward flow, just as a sloped ...
A Dissection of Energetics of the Geostrophic Flow: Reconciliation of Rossby Wave Energy Flux and Group Velocity
Publisher: American Meteorological Society
Abstract: t is shown in this paper that there is no ambiguity in the final form of the governing equations of a quasigeostrophic (QG) model after partitioning the total flow into the geostrophic, balanced ageostrophic, and unbalanced ...
Characteristics of the Interannual and Decadal Variability in a General Circulation Model of the Tropical Atlantic Ocean
Publisher: American Meteorological Society
Abstract: A numerical simulation has been conducted using a general circulation model of the tropical Atlantic Ocean forced with observed monthly surface wind stress for 1964?87 and parameterized surface heat flux. The simulated sea ...
A Comparison of Two Surface Wind Stress Analyses over the Tropical Atlantic during 1980–1987
Publisher: American Meteorological Society
Abstract: Two sets of monthly sea surface wind stress over the tropical Atlantic Ocean are compared. The datasets are based on the ECMWF analyses during 1980?87 (the E-winds) and the monthly pseudo-wind stress from ship observations ...
Ocean–Atmosphere Interactions in the Tropical and Subtropical Atlantic Ocean
Publisher: American Meteorological Society
Abstract: A 110-yr simulation is conducted using a specially designed coupled ocean?atmosphere general circulation model that only allows air?sea interaction over the Atlantic Ocean within 30°S?60°N. Since the influence from the ...
An Examination of the AGCM Simulated Surface Wind Stress and Low-Level Winds over the Tropical Pacific Ocean
Publisher: American Meteorological Society
Abstract: The monthly mean surface wind stress and winds in the lower troposphere for 1986?92 simulated by the Center for Ocean?Land?Atmosphere Studies atmospheric general circulation model (AGCM) forced with observed sea surface ...
Mechanisms for the Interannual Variability in the Tropical Indian Ocean. Part I: The Role of Remote Forcing from the Tropical Pacific
Publisher: American Meteorological Society
Abstract: A series of experiments are conducted using a coupled ocean?atmosphere general circulation model in regional coupled mode, which permits active air?sea interaction only within the Indian Ocean to the north of 30°S, with ...
Mechanisms for the Interannual Variability in the Tropical Indian Ocean. Part II: Regional Processes
Publisher: American Meteorological Society
Abstract: To understand the mechanisms of the interannual variability in the tropical Indian Ocean, two long-term simulations are conducted using a coupled ocean?atmosphere GCM?one with active air?sea coupling over the global ocean ...
Interferential Impact of ENSO and PDO on Dry and Wet Conditions in the U.S. Great Plains
Publisher: American Meteorological Society
Abstract: The influence of the El Niño?Southern Oscillation (ENSO) and Pacific decadal oscillation (PDO) interference on the dry and wet conditions in the Great Plains of the United States has been examined using monthly observational ...
The Response of an Ocean General Circulation Model to Surface Wind Stress Produced by an Atmospheric General Circulation Model
Publisher: American Meteorological Society
Abstract: Two surface wind stress datasets for 1979?91, one based on observations and the other from an integration of the COLA atmospheric general circulation model (AGCM) with prescribed SST, are used to drive the GFDL ocean general ...