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RISAsymmetry between El Niño and La Niña in a Global Coupled GCM with an Eddy-Permitting Ocean Resolution
Publisher: American Meteorological Society
Abstract: Observations show the asymmetric nature of El Niño and La Niña sea surface temperature (SST) anomalies. Warm events are often stronger than cold events. This asymmetric behavior is an important feature that can be used to ...
Climates at the Last Glacial Maximum: Influence of Model Horizontal Resolution
Publisher: American Meteorological Society
Abstract: The climate at the last glacial maximum (LGM) has been simulated using the U.K. Universities Global Atmospheric Modeling Programme (UGAMP) general circulation model (GCM) truncated at total wavenumbers 21, 42, and 63 (T21, ...
Mechanism of Interdecadal Thermohaline Circulation Variability in a Coupled Ocean–Atmosphere GCM
Publisher: American Meteorological Society
Abstract: Interdecadal variability of the Atlantic thermohaline circulation (THC) is studied in the third version of the Hadley Centre global coupled atmosphere?ocean sea-ice general circulation model (HadCM3). A diagnostic approach ...
Enhancement of ENSO Variability by a Weakened Atlantic Thermohaline Circulation in a Coupled GCM
Publisher: American Meteorological Society
Abstract: A coupled ocean?atmosphere general circulation model is used to investigate the modulation of El Niño?Southern Oscillation (ENSO) variability due to a weakened Atlantic thermohaline circulation (THC). The THC weakening is ...
Sensitivity Studies of Northern Hemisphere Glaciation Using an Atmospheric General Circulation Model
Publisher: American Meteorological Society
Abstract: The U.K. University Global Atmospheric Modeling Programme GCM is used to investigate whether the growth of Northern Hemisphere ice sheets could have been initiated by changes of orbital parameters and sea surface temperature. ...
Recent Trends in Summer Atmospheric Circulation in the North Atlantic/European Region: Is There a Role for Anthropogenic Aerosols?
Publisher: American Meteorological Society
The ENSO–Asian Monsoon Interaction in a Coupled Ocean–Atmosphere GCM
Publisher: American Meteorological Society
Abstract: In this study, the authors evaluate the (El Niño?Southern Oscillation) ENSO?Asian monsoon interaction in a version of the Hadley Centre coupled ocean?atmosphere general circulation model (CGCM) known as HadCM3. The main ...
Recent Decadal Changes in Heat Waves over China: Drivers and Mechanisms
Publisher: American Meteorological Society
Abstract: AbstractObservational analysis indicates significant decadal changes in daytime, nighttime, and compound (both daytime and nighttime) heat waves (HWs) over China across the mid-1990s, featuring a rapid increase in frequency, ...
The Driving Processes of Concurrent Hot and Dry Extreme Events in China
Publisher: American Meteorological Society
Understanding Land–Sea Warming Contrast in Response to Increasing Greenhouse Gases. Part I: Transient Adjustment
Publisher: American Meteorological Society
Abstract: Climate model simulations consistently show that surface temperature over land increases more rapidly than over sea in response to greenhouse gas forcing. The enhanced warming over land is not simply a transient effect ...