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RISTwo Stable Equilibria of a Coupled Ocean-Atmosphere Model
Publisher: American Meteorological Society
Abstract: Two stable equilibria have been obtained from a global model of the coupled ocean-atmosphere system developed at the Geophysical Fluid Dynamics Laboratory of NOAA. The model used for this study consists of general circulation ...
Changes of Variability in Response to Increasing Greenhouse Gases. Part I: Temperature
Publisher: American Meteorological Society
Abstract: This study documents the temperature variance change in two different versions of a coupled ocean?atmosphere general circulation model forced with estimates of future increases of greenhouse gas (GHG) and aerosol concentrations. ...
Interdecadal Variations of the Thermohaline Circulation in a Coupled Ocean-Atmosphere Model
Publisher: American Meteorological Society
Abstract: A fully coupled ocean-atmosphere model is shown to have irregular oscillations of the thermohaline circulation in the North Atlantic Ocean with a time scale of approximately 50 years. The irregular oscillation appears to ...
Transient Responses of a Coupled Ocean–Atmosphere Model to Gradual Changes of Atmospheric CO2. Part I. Annual Mean Response
Publisher: American Meteorological Society
Abstract: This study investigates the response of a climate model to a gradual increase or decrease of atmospheric carbon dioxide. The model is a general circulation model of the coupled atmosphere-ocean-land surface system with ...
Transient Responses of a Coupled Ocean-Atmosphere Model to Gradual Changes of Atmospheric CO2. Part II: Seasonal Response
Publisher: American Meteorological Society
Abstract: This study investigates the seasonal variation of the transient response of a coupled ocean-atmosphere model to a gradual increase (or decrease) of atmospheric carbon dioxide. The model is a general circulation model of ...
Climate Field Reconstruction under Stationary and Nonstationary Forcing
Publisher: American Meteorological Society
Abstract: The fidelity of climate reconstructions employing covariance-based calibration techniques is tested with varying levels of sparseness of available data during intervals of relatively constant (stationary) and increasing ...
An Observationally Based Estimate of the Climate Sensitivity
Publisher: American Meteorological Society
Abstract: A probability distribution for values of the effective climate sensitivity, with a lower bound of 1.6 K (5th percentile), is obtained on the basis of the increase in ocean heat content in recent decades from analyses of ...
CMIP5 Scientific Gaps and Recommendations for CMIP6
Publisher: American Meteorological Society
Abstract: he Coupled Model Intercomparison Project (CMIP) is an ongoing coordinated international activity of numerical experimentation of unprecedented scope and impact on climate science. Its most recent phase, the fifth phase ...
The Effect of a Large Freshwater Perturbation on the Glacial North Atlantic Ocean Using a Coupled General Circulation Model
Publisher: American Meteorological Society
Abstract: The commonly held view of the conditions in the North Atlantic at the last glacial maximum, based on the interpretation of proxy records, is of large-scale cooling compared to today, limited deep convection, and extensive ...