Monday December 14 - Tuesday December 15, 1998
University of Toronto Faculty Club, 2nd Floor
41 Willcocks Street
Toronto, Ontario

Monday December 14

9:00 - GRIPS: results and future plans for model intercomparisons.Steven Pawson, NASA Goddard Space Flight Center, Greenbelt, MD.

9:50 - GRIPS: a spectral intercomparison of middle-atmosphere generalcirculation models.John Koshyk, University of Toronto.

10:15 - Planetary-wave propagation into the middle atmosphere in CMAM.Stephen Beagley, York University.

10:40 - Coffee break.

11:10 - Arctic vortex variability: observed and simulated.Jason Chaffey, University of Victoria.

11:35 - Semi-Lagrangian transport in CMAM5.Jean deGrandpré, York University.

12:00 - Impact of the SAGE II aerosol loading on stratospheric ozone:update from the CMAM Pinatubo Experiment.Jonathan Jiang, University of Quebec at Montreal.

12:25 - Lunch (Faculty Club Upper Dining Room).

1:25 - Heterogeneous chemistry in the lower stratosphere: an overview and some newlaboratory results.Jonathan Abbatt, University of Chicago.

2:15 - Hetereogeneous processing as modelled by the York CTM using CMAM winds.Darryl Chartrand, York University.

2:40 - Plans for the inclusion of tropospheric chemistry in CMAM.David Plummer, York University.

3:05 - Coffee break.

3:35 - Anisotropy in the parameterization of drag due to freely propagatinggravity waves and low-level blocking.John Scinocca, CCCma, Victoria, BC.

4:00 - Parameterization of thermal effects of saturating gravity waves.Alex Medvedev, York University.

4:25 - Effects of time dependence on the stability of inertio-gravity waves.Ka-Hing Yau, York University.

4:50 - A new mechanism for enhanced gravity-wave breaking in the middle atmosphere.Gary Klaassen, York University.

5:15 - Complimentary cocktails and dinner (Faculty Club Pub).

Tuesday December 15

9:00 - Inferring polar stratospheric cloud composition from satellite measurements.Michelle Santee, NASA Jet Propulsion Laboratory, Pasadena, CA.

9:50 - Assimilation cycle of ozone measurements using the 3Dvar and backgroundestimates from a tropospheric model.Simon Pellerin, RPN, Dorval, QC.

10:15 - Observing System Experiments (OSE) and Observing System SimulationExperiments (OSSE) for ozone with GEM and SEF in preparation forthe ODIN and ORACLE projects.Gilbert Brunet, RPN, Dorval, QC.

10:40 - Coffee break.

11:10 - Global climatologies of gravity-wave activity in the middle atmosphereand information about tropospheric sources.Charles McLandress, York University.

11:35 - Issues associated with the interpretation of observations and modellingin the presence of vertical motions.William Ward, CRESTech, Toronto, ON.

12:00 - Chemical heating in CMAM.Chao Fu, York University.

12:25 - Lunch (Faculty Club Upper Dining Room).

1:25 - Transit-time distributions and tracer age in geophysical flows.Mark Holzer, CCCma, Victoria, BC.

1:50 - Interrelationships between the mixing ratios of chemical species in CMAM.David Sankey, University of Toronto.

2:15 - Planetary-wave forcing in an idealized stratosphere.Diane Pendlebury, University of Toronto.

2:40 - Radiatively driven zonal-mean dynamics in the stratosphere.Kirill Semeniuk, University of Toronto.

3:05 - Coffee break.

3:35 - The stratosphere as a source of O to the upper tropical troposphere.Ian Folkins, Dalhousie University.

4:00 - The MANTRA Project - middle atmosphere measurements from a balloon platform.Kim Strong, University of Toronto.

4:25 - Highlights of the 1998 UNEP/WMO ozone assessment.Ted Shepherd, University of Toronto.

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