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RISRetrospective Forecasts of Interannual Sea Surface Temperature Anomalies from 1982 to Present Using a Directly Coupled Atmosphere–Ocean General Circulation Model
Publisher: American Meteorological Society
Abstract: A large number of ensemble hindcasts (or retrospective forecasts) of tropical Pacific sea surface temperature (SST) have been made with a coupled atmosphere?ocean general circulation model (CGCM) that does not employ flux ...
Comparison of Atmospheric Model Wind Stress with Three Different Convective Parameterizations: Sensitivity of Tropical Pacific Ocean Simulations
Publisher: American Meteorological Society
Abstract: The Geophysical Fluid Dynamics Laboratory ocean model has been used to diagnose the sensitivity of the Center for Ocean?Land?Atmosphere Studies atmospheric general circulation model wind stress to convective parameterization. ...
The Tropical Ocean Response to a Change in Solar Forcing
Publisher: American Meteorological Society
Abstract: Changes in the tropical oceans caused by a shift of 6 months in the date of perihelion are examined using a coupled atmosphere?ocean general circulation model (GCM). The changes in the annual cycle of sea surface temperature ...
The Processes Determining the Annual Cycle of Equatorial Sea Surface Temperature: A Coupled General Circulation Model Perspective
Publisher: American Meteorological Society
Abstract: The origin of the annual cycle of equatorial sea surface temperature (SST) is diagnosed using a global coupled atmosphere?ocean general circulation model (CGCM) that realistically simulates this annual cycle. The simulated ...
Diagnosing the Annual Cycle Modes in the Tropical Atlantic Ocean Using a Directly Coupled Atmosphere–Ocean GCM
Publisher: American Meteorological Society
Abstract: The annual cycle of sea surface temperature (SST) in the tropical Atlantic of a directly coupled atmosphere?ocean general circulation model (CGCM) is decomposed into the parts forced by different surface fluxes (denoted ...
Predictive Skill of AGCM Seasonal Climate Forecasts Subject to Different SST Prediction Methodologies
Publisher: American Meteorological Society
Abstract: This study examines skill of retrospective forecasts using the ECHAM4.5 atmospheric general circulation model (AGCM) forced with predicted sea surface temperatures (SSTs) from methods of varying complexity. The SST fields ...
The Roles of Atmospheric Stochastic Forcing (SF) and Oceanic Entrainment Temperature (Te) in Decadal Modulation of ENSO
Publisher: American Meteorological Society
Abstract: The El Niño?Southern Oscillation (ENSO) has been observed to exhibit decadal changes in its properties; the cause and implication of such changes are strongly debated. Here the authors examine the influences of two particular ...
Skill of Real-Time Seasonal ENSO Model Predictions during 2002–11: Is Our Capability Increasing?
Publisher: American Meteorological Society
Abstract: model predictions of ENSO conditions during the 2002?11 period are evaluated and compared to skill levels documented in studies of the 1990s. ENSO conditions are represented by the Niño- 3.4 SST index in the east-central ...
Skill of Real-Time Seasonal ENSO Model Predictions During 2002–11: Is Our Capability Increasing?
Publisher: American Meteorological Society
Dynamical Seasonal Climate Prediction Using an Ocean–Atmosphere Coupled Climate Model Developed in Partnership between South Africa and the IRI
Publisher: American Meteorological Society
Abstract: he recent increase in availability of high-performance computing (HPC) resources in South Africa allowed the development of an ocean?atmosphere coupled general circulation model (OAGCM). The ECHAM4.5-South African Weather ...