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RISA Numerical Study on the Atmospheric Circulation over the Midlatitude North Pacific during the Last Glacial Maximum
Publisher: American Meteorological Society
Abstract: The dynamics of the atmospheric circulation change over the midlatitude North Pacific under the boundary conditions during the last glacial maximum (LGM) have been studied by atmospheric general circulation models (GCMs) ...
Sources of Spread in Multimodel Projections of the Greenland Ice Sheet Surface Mass Balance
Publisher: American Meteorological Society
Abstract: he many studies investigating the future change of the Greenland Ice Sheet surface mass balance from climate model output exhibit a wide range of projections. This study makes projections from the Coupled Model Intercomparison ...
A Comparison of Climate Feedback Strength between CO2 Doubling and LGM Experiments
Publisher: American Meteorological Society
Abstract: Studies of the climate in the past potentially provide a constraint on the uncertainty of climate sensitivity, but previous studies warn against a simple scaling to the future. Climate sensitivity is determined by a number ...
Atmospheric Local Energetics and Energy Interactions between Mean and Eddy Fields. Part II: An Example for the Last Glacial Maximum Climate
Publisher: American Meteorological Society
Abstract: The atmospheric local energy cycle in the Last Glacial Maximum (LGM) climate simulated by an atmosphere?ocean GCM (AOGCM) is investigated using a new diagnostic scheme. In contrast to existing ones, this scheme can represent ...
Impact of Arctic Wetlands on the Climate System: Model Sensitivity Simulations with the MIROC5 AGCM and a Snow-Fed Wetland Scheme
Publisher: American Meteorological Society
Abstract: AbstractWetlands cover large areas of the middle and high latitudes and influence the surface water and energy budget, surface hydrology, and the climate system. In this study, a scheme implicitly representing a snow-fed ...
Surface Arctic Amplification Factors in CMIP5 Models: Land and Oceanic Surfaces and Seasonality
Publisher: American Meteorological Society
Abstract: rctic amplification (AA) is a major characteristic of observed global warming, yet the different mechanisms responsible for it and their quantification are still under investigation. In this study, the roles of different ...
Global-Scale Energy and Freshwater Balance in Glacial Climate: A Comparison of Three PMIP2 LGM Simulations
Publisher: American Meteorological Society
Abstract: Three coupled atmosphere?ocean general circulation model (AOGCM) simulations of the Last Glacial Maximum (LGM: about 21 000 yr before present), conducted under the protocol of the second phase of the Paleoclimate Modelling ...
Arctic Oscillation during the Mid-Holocene and Last Glacial Maximum from PMIP2 Coupled Model Simulations
Publisher: American Meteorological Society
Abstract: Changes in the Arctic Oscillation (AO) during the mid-Holocene and the Last Glacial Maximum were compared to preindustrial (PI) simulations using four coupled ocean?atmosphere models [i.e., Community Climate System Model ...
Robust Seasonality of Arctic Warming Processes in Two Different Versions of the MIROC GCM
Publisher: American Meteorological Society
Abstract: t is one of the most robust projected responses of climate models to the increase of atmospheric CO2 concentration that the Arctic experiences a rapid warming with a magnitude larger than the rest of the world. While many ...
Modeling Obliquity and CO2 Effects on Southern Hemisphere Climate during the Past 408 ka
Publisher: American Meteorological Society
Abstract: he effect of obliquity and CO2 changes on Southern Hemispheric climate is studied with a series of numerical modeling experiments. Using the Earth system model of intermediate complexity Loch?VECODE?ECBilt?CLIO?Agism Model ...