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RISDynamical Control of the Mesosphere by Orographic and Nonorographic Gravity Wave Drag during the Extended Northern Winters of 2006 and 2009
Publisher: American Meteorological Society
Abstract: version of the Canadian Middle Atmosphere Model (CMAM) that is nudged toward reanalysis data up to 1 hPa is used to examine the impacts of parameterized orographic and nonorographic gravity wave drag (OGWD and NGWD) on the ...
The Climate Impact of Past Changes in Halocarbons and CO2 in the Tropical UTLS Region
Publisher: American Meteorological Society
Abstract: chemistry?climate model coupled to an ocean model is used to compare the climate impact of past (1960?2010) changes in concentrations of halocarbons with those of CO2 in the tropical upper troposphere and lower stratosphere ...
Separating the Dynamical Effects of Climate Change and Ozone Depletion. Part I: Southern Hemisphere Stratosphere
Publisher: American Meteorological Society
Abstract: A version of the Canadian Middle Atmosphere Model that is coupled to an ocean is used to investigate the separate effects of climate change and ozone depletion on the dynamics of the Southern Hemisphere (SH) stratosphere. ...
Separating the Dynamical Effects of Climate Change and Ozone Depletion. Part II: Southern Hemisphere Troposphere
Publisher: American Meteorological Society
Abstract: The separate effects of ozone depleting substances (ODSs) and greenhouse gases (GHGs) on forcing circulation changes in the Southern Hemisphere extratropical troposphere are investigated using a version of the Canadian ...