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Extratropical Influences on the El Niño–Southern Oscillation through the Late Quaternary
Publisher: American Meteorological Society
Abstract: A sequence of numerical simulations with a coupled atmosphere?ocean general circulation model configured for particular times during the late Quaternary shows that simulated El Niño?Southern Oscillation (ENSO) events ...
Tropopause Folds and Synoptic-Scale Baroclinic Wave Life Cycles
Publisher: American Meteorological Society
Abstract: The linear stability of three midlatitude zonal mean states of varying baroclinicity and barotropy is examined using a primitive equation stability analysis under the anelastic approximation. Each of these basic states ...
The Role of Atmospheric Dynamics and Climate Change on the Possible Fate of Glaciers in the Karakoram
Publisher: American Meteorological Society
Abstract: igh-resolution regional climate simulations for the Karakoram Mountain range in the greater Himalayas have been performed to investigate the atmospheric dynamics of this region, and their role in the Karakoram?s snowfall ...
Interannual Atmospheric Variability Affects Continental Ice Sheet Simulations on Millennial Time Scales
Publisher: American Meteorological Society
Abstract: To inform the ongoing development of earth system models that aim to incorporate interactive ice, the potential impact of interannual variability associated with synoptic variability and El Niño?Southern Oscillation (ENSO) ...
Freshwater Discharge, Sediment Transport, and Modeled Climate Impacts of the Final Drainage of Glacial Lake Agassiz
Publisher: American Meteorological Society
Abstract: A cold event at around 8200 calendar years BP and the release, at around that time, of a huge freshwater outburst from ice-dammed glacial Lake Agassiz have lent support to the idea that the flood triggered the cold event. ...
Origins and Evolution of Imbalance in Synoptic-Scale Baroclinic Wave Life Cycles
Publisher: American Meteorological Society
Abstract: A set of balance equations is derived that is appropriate for analysis of the three-dimensional anelastic system and is based on expansions in Rossby and Froude number similar to those employed in the study of the shallow-water ...
The Formation of Oceanic Eddies in Symmetric and Asymmetric Jets. Part II: Late Time Evolution and Coherent Vortex Formation
Publisher: American Meteorological Society
Abstract: The dynamical processes involved in eddy genesis, evolution, and demise as revealed in a series of high-resolution numerical simulations of perturbed oceanic jets are investigated. Comparisons are provided between the ...
The Formation of Oceanic Eddies in Symmetric and Asymmetric Jets. Part I: Early Time Evolution and Bulk Eddy Transports
Publisher: American Meteorological Society
Abstract: A numerical study of the life cycles of eddies formed in perturbed baroclinic jets, emphasizing the influence of spanwise asymmetry in the initial structure of the jet on the downstream evolution of the flow, is presented. ...
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