2001

GRIPS Workshop (Hamburg, Germany, 26 February-1 March, 2001)

• deGrandpré, J.: Transport of constituents in the lower stratosphere.
• McFarlane, N.A.: Update on the CMAM.
• McFarlane, N.A.: Resolved wave driving of tropical oscillations.

Japan-U.S. Seminar on Coupling of the Troposphere and Stratosphere by Dynamical, Radiative and Chemical Processes (Kyoto, Japan, 13-17 March, 2001)

• Scinocca, J.F.: Nonhydrostatic effects in the parameterization of non-orographic gravity-wave drag (INVITED).
• Shepherd, T.G.: Issues in stratospheric-tropospheric coupling (INVITED).

Workshop on nitrogen oxides in the lower stratosphere and upper troposphere (University of Heidelberg, Heidelberg, Germany, 19-22 March, 2001)

• Plummer, D.A., McConnell, J.C., Beagley, S.R., and J. de Grandpré: Simulation of tropospheric chemistry in the Canadian Middle Atmosphere Model.

• Plummer, D.A., McConnell, J.C., Beagley, S.R. and J. de Grandpré: Simulation of tropospheric chemistry in the Canadian Middle Atmosphere Model.

SPARC Tropopause Workshop (Bad Toelz, Germany, 17-21 April, 2001)

• Folkins, I.: Upper tropospheric chemical budgets (INVITED).

Canadian Chemical Society (Montréal, Québec, Canada, 26-30 May, 2001)

• Avzianova E.V. and P.A. Ariya: Temperature dependence kinetics and product studies of selected tropospheric ozonolysis reactions of alkenes.

• Campbell, L.: Wave-mean-flow interactions in a gravity wave packet critical layer.
• Fruman, M. and T.G. Shepherd: The traditional approximation and equatorial inertial instability.
• Pendlebury, D.: A comparison of wave-induced residual and Lagrangian transport in the stratosphere.
• Scinocca, J.: Nonhydrostatic effects in the parameterization of non-orographic gravity-wave drag.

Wave Phenomena III (University of Alberta, 11-15 June, 2001)

• Campbell, L.: Wave-mean-flow interactions in a Rossby wave packet critical layer.
• Scinocca, J.: Nonhydrostatic effects in the parameterization of non-orographic gravity-wave drag.
• Shepherd, T.G.: Wave-vortex interactions and implications for mixing in the middle atmosphere (INVITED PLENARY TALK).

8th Scientific Assembly of IAMAS (Innsbruck, Austria, 10-18 July, 2001)

• Beagley, S.R.: Chemical-dynamical and transport impacts in the middle atmosphere of green-house-gas forcing.
• Fomichev V.I., Ward, W.E., Beagley, S.R., and C. McLandress: Energy budget of the middle atmosphere produced by the Extended Canadian Middle Atmosphere Model.
• Lohmann, U.: Possible effects on clouds by aerosol-induced changes in heterogeneous and homogeneous ice nucleation.
• McLandress, C.: The seasonal variation of the diurnal tide: results from a middle atmosphere GCM and a linear mechanistic model (INVITED).

• Lohmann, U.: The magnitude of different aerosol-cloud effects between pre-industrial times and present day.

AGU Fall Meeting, San Francisco (California, 10-14 December, 2001)

• Rochon, Y., Polavarapu, S., Ren, S., Sankey, D. and D. Tarasick: Data Assimilation with the Canadian Middle Atmosphere Model.

UK NERC UTLS Ozone Workshop (Cambridge, UK, 17-19 December, 2001)

• Shepherd, T.G.: Transport processes in the UTLS (INVITED).

2002

Molecular Modelling Symposium (Montréal, Québec, 17-19 January 2002)

• Ryzhkov A. and P.A. Ariya: Reaction of CH2OO radicals with atmospheric water vapour.

AMS Observations, Data Assimilation and Probabilistic Prediction meeting (Orlando, Florida, 14-17 January 2002)

• Polavarapu S., Ren, S., Rochon, Y. and D. Sankey: Middle atmosphere data assimilation with a climate model.

IGAC workshop (Stockholm, Sweden, 27-30 January, 2002)

• Lohmann, U.: Interactions between atmospheric chemistry and the hydrological cycle (INVITED).

DASP Winter Workshop (Fredericton, NB, 21-23 February, 2002)

• Fomichev V.I., Ward, W.E., Beagley, S.R. and C. McLandress: Energy processes in the Extended Canadian Middle Atmosphere Model.

GRIPS Workshop (Tsukuba, Japan, 12-15 March, 2002)

• de Grandpré, J., Beagley, S.R. and J. C. McConnell: Transport and chemistry processes in the Canadian Middle Atmosphere Model.
• McLandress, C.: Report on the gravity wave parameterization assessment (task 2D).

International Symposium on Equatorial Processes Involving Coupling (EPIC) (Uji, Kyoto, Japan, 18-22 March, 2002)

• McLandress, C.: Mechanisms responsible for the seasonal variation of the diurnal tide in the mesosphere and lower thermosphere (INVITED).

XVII EGS General Assembly (Nice, France, 21-26 April, 2002)

• Braban, C.F. and J.P.D. Abbatt: Studies of deliquescence and efflorescence phase transitions of dicarboxylic acid particles.
• Fomichev V.I., Beagley, S.R. and J. de Grandpré: Temperature changes in the upper stratosphere and mesosphere due to doubling of CO2 as simulated by the CMAM.
• Scinocca, J.F.: The nonlinear forcing of large-scale internal gravity waves by stratified shear instability (INVITED).
• Scinocca, J.F.: An accurate spectral non-orographic gravity-wave drag parameterization for general circulation models.

5th Workshop on Adjoint Applications in Dynamic Meteorology (Mount Bethel, Pennsylvania, 21-26 April 2002)

• Polavarapu, S.: Balance issues in data assimilation (INVITED).

SPARC Data Assimilation workshop (Baltimore, Maryland, 10-12 June 2002)

• Polavarapu, S., Ren, S., Rochon, Y. and D. Sankey: Recent developments in the data assimilation system for the Canadian Middle Atmosphere Model (CMAM).

WE-Heraeus-Seminar on Trends in the Upper Atmosphere (Kuehlungsborn, Germany, May 13-16, 2002)

• Fomichev V.I., de Grandpré, J. and S.R. Beagley: Cooling of the middle atmosphere and ozone radiative feedback induced by doubling of CO2 in the CMAM (INVITED).

4th Canadian Space Agency Atmospheric Environment Workshop (University of Western Ontario, 15-17 May, 2002)

• Polavarapu, S.: Data assimilation with the Canadian Middle Atmosphere Model (INVITED).
• Shepherd, T.G.: Earth System science (INVITED).

36th CMOS Congress (Rimouski, Quebec, Canada, 22-25 May, 2002)

• Beagley, S.R., de Grandpré, J., Fomichev, V.I. and J.C. McConnell: Simulating lower stratospheric ozone loss in a GCM: dynamical issues.
• de Grandpré, J.: Ozone change in the middle atmosphere.

Chemical Society of Canada (Vancouver, 1-5 June, 2002)

• Kwemena, N., Meritis, D. and P.A. Ariya: Product studies of peroxide formation upon ozonolysis of alkenes.
• Ryzhkov, A., Leighton, H. and P.A. Ariya: Theoretical studies of criegee radical with water.

SPARC Data Assimilation Workshop (Washington D.C., 10-12 June, 2002),

• Polavarapu, S., S. Ren, Y. Rochon and D. Sankey: Recent developments in the data assimilation system for the Canadian Middle Atmosphere Model(CMAM).

IGAC Conference (Crete, 18-25 September, 2002)

• Lohmann, U.: Sensitivity of cloud droplet nucleation to kinetic effects and varying updraft velocity.

American Meteorological Society 12th Conference on the Middle Atmosphere (San Antonio, Texas, 4-7 November, 2002.)

• Campbell, L. and T.G. Shepherd: Wave drag parameterization in simple models of the quasi-biennial oscillation.
• Lukovich, J.V. and T.G. Shepherd: Large-scale mixing in the middle atmosphere.
• Sankey D. and T.G. Shepherd: Quantifying the tropopause mixing barrier in the Canadian Middle Atmosphere Model.
• Semeniuk, K. and R.A. Plumb: Isolation from planetary wave breaking of the lower tropical stratosphere.
• Shepherd, T.G.: Understanding past and future northern hemisphere ozone.

ACE Science Team Meeting (University of Waterloo, Ontario, Canada, 2-5 December, 2002)

• Semeniuk, K.: ACE validation by trajectory and photochemical box modelling.
• Wang, X. and D.V. Michelangeli: Model development of polar stratospheric clouds and their effect on stratospheric chemistry.

American Geophysical Union (San Francisco, 6-10 December, 2002)

• Abbatt, J.P.D.: Are Organic Aerosols Good Cloud Condensation Nuclei? (INVITED)

2003

3rd CERMM Computational Modeling Symposium (Concordia University, Montreal, Canada, 11-12 January, 2003)

• Ryzhkov, A. and P.A. Ariya: Theoretical studies of carbonyl oxide intermediates.

GOA-MAPSCORE-ASSET workshop on Chemical Data Assimilation (KNMI, Utrecht, The Netherlands, 15-17 January 2003)

• Polavarapu, S., Ren, S., Rochon, Y., Sankey, D. and Y. Yang: The impact of dynamic variable assimilation on ozone fields.

Aha Hulikoa Hawaiian Winter Workshop (Honolulu, Hawaii, 21-24 January, 2003)

• Scinocca, J.: Low-level topographic drag in atmospheric flows.

Atmospheric Tides Workshop (Honolulu, Hawaii, 4-7 March, 2003)

• McLandress, C.: Simulations of the migrating diurnal tide in the Canadian Middle Atmosphere Model (CMAM).

GRIPS Workshop (Washington D.C., 4-7 March, 2003)

• de Grandpré: Perturbation scenarios and ozone response in the CMAM.
  
• Fomichev V. I.: Radiation code intercomparison: recap of results.
  
• Sankey D. and T.G. Shepherd: Correlations of long-lived chemical species in a middle atmosphere general circulation model.

American Chemical Society (New Orleans, 23-28 March, 2003)

• Ryzhkov, A. and P.A. Ariya: Reactions of substituted criegee biradical with water and water dimer.

Joint SPARC-IGAC workshop on climate-chemistry interactions (France, 3 April, 2003)

• Lohmann, U.: Water vapour and clouds (INVITED).

EGS-AGU-EUG Joint Assembly (Nice, France, 6-11 April, 2003)

• Abbatt, J.P.D. and K. Broekhuizen: Organic Aerosols as Cloud Condensation Nuclei.
• Lohmann, U.: Impact of Mt. Pinatubo eruption on cirrus clouds formed by homogeneous freezing in the ECHAM GCM.
• Plummer, D.A., J.C. McConnell, S.R. Beagley and J. deGrandpré: Development of tropospheric chemistry in the Canadian Middle Atmosphere Model.
• Shepherd, T.G. : Seasonal persistence of midlatitude total ozone anomalies.
• Wang, X., D.V. Michelangeli and I. Kletskin: Status of detailed numerical modelling of polar stratospheric clouds and their effect on stratospheric chemistry.

SPARC Workshop on the Role of the Stratosphere in Tropospheric Climate (Whistler, B.C., 29 April-2 May, 2003)

• Shepherd, T.G.: Mechanisms for stratospheric influences on tropospheric climate (INVITED).

37th Congress of the Canadian Meteorological and Oceanographic Society (Ottawa, Canada, 2-6 June, 2003)

• Abbatt, J.P.D.: Interactions of atmospheric trace gases with ice: heterogeneous reactions and scavenging (INVITED).
• Beagley. S.R. et al.: Development of a Mars spectral general circulation model with chemistry and aerosols in support if future Mars missions.
• Codoban S. and T.G. Shepherd: Energetics of a symmetric circulation with momentum constraints.
• de Grandpré, J., A. Jonsson and J.C. McConnell: The Canadian Middle Atmosphere Model: model vs. observation.
• Lukovich J., I. McDade, T.G. Shepherd and C.S. Haley: Observational analysis of the containment of Antarctic vortex air following the split ozone hole of 2002.
• McLandress, C., R. Hallman and T.G. Shepherd: Mesospheric temperature inversions: the role of stationary planetary waves.
• Neef, L.J., T.G. Shepherd and S.M. Polavarapu: Kalman filter data assimilation and balanced dynamics.
• Plummer, D.A., J.C. McConnell, S.R. Beagley and J. de Grandpré: Modelling of tropospheric chemistry in the Canadian Middle Atmosphere Model.
• Polavarapu, S., R. Shuzhan, Y. Rochon and D. Sankey: The Canadian Middle Atmosphere Model (CMAM) Data Assimilation Scheme (INVITED).
• Russell, J.M., W.E. Ward, R.P. Lowe and R.G. Roble: Multi-year tidal trends in mesospheric atomic oxygen profiles derived from remote sensing of the nightglow.
• Reszka, M. and T.G. Shepherd: Dynamical balances in the tropical middle atmosphere.
• Sankey, D. and T.G. Shepherd: Correlations of long-lived chemical species in a middle atmosphere general circulation model.
• Sankey, D. and T.G. Shepherd: Quantifying the tropopause mixing barrier in the Canadian Middle Atmosphere Model.
• Sankey, D., Y. Rochon, S. Polavarapu, S. Ren and Y. Yang: The influence of assimilating dynamical variables on ozone in the Canadian Middle Atmosphere Model.
• Shepherd, T.G.: Modelling of chemical-climate coupling in the middle atmosphere (INVITED).
• Semeniuk, K.: On the limitations of trajectory-following photochemical box modelling.
• Wang, X., D.V. Michelangeli and I. Kletskin: A numerical model for polar stratospheric clouds and stratospheric chemistry.
• Ward, W.E., V.I. Fomichev, S.R. Beagley, and C. McLandress: Non-migrating tides in the extended Canadian Middle Atmosphere Model.

SPARC-DA workshop (Florence, Italy 4-6 June 2003)

• Polavarapu, S., D. Sankey, Y. Rochon, S. Ren and Y. Yang: The impact of dynamic variable assimilation on ozone fields.

14th Conference on Atmospheric and Oceanic Fluid Dynamics (San Antonio, Texas, 9-13 June 2003)

• Campbell, L. and T.G. Shepherd: Constraints on gravity-wave-drag parameterization schemes for simulating the quasi-biennial oscillation.
• Codoban, S. and T.G. Shepherd: Energetics of a symmetric circulation with momentum constraints.
• Neef, L.J., T.G. Shepherd and S.M. Polavarapu: Balance dynamics and four-dimensional data assimilation.
• Scinocca, J.F.: The variability of modelled tropical precipitation.

Workshop on Chemistry-Dynamics Coupling near the Mesopause (Hamburg, Germany, 10-13 June, 2003)

• Fomichev V.I.: Impact of the CMAM radiative scheme updates on the thermal budget (INVITED).

ECMWF Workshop on the Stratosphere (Reading, U.K., 23-26 June, 2003)

• Shepherd, T.G.: Issues for stratospheric modelling and assimilation (INVITED).

XXIII IUGG General Assembly (Sapporo, Japan, 30 June-11 July, 2003)

• Beagley, S.R., J. de Grandpré, V.I. Fomichev, J.C. McConnell and T.G. Shepherd: Simulating Antarctic stratospheric ozone loss in a GCM: variability.
• Fioletov, V. and T.G. Shepherd: Seasonal persistence of midlatitude total ozone anomalies.
• Folkins, I: The interface between the tropical troposphere and stratosphere (INVITED).
• Fomichev V.I.: Model thermal response to minor energy sources and sinks (INVITED).
• Lohmann, U.: Different aspects of aerosol effects on clouds, climate and the hydrological cycle (INVITED).
• McLandress, C.: What damps the vertically propagating diurnal tide in the mesosphere and lower thermosphere? (INVITED).
• McLandress, C., R. Hallmann, and T. G. Shepherd: Mesospheric temperature inversions in middle atmosphere general circulation models: the role of quasi-stationary planetary waves.
• Neef, L.J., T.G. Shepherd and S.M. Polavarapu: Kalman filter data assimilation and balanced dynamics.
• Plummer, D.A., J.C. McConnell, S.R. Beagley and J. deGrandpré: Simulation of Rn-222 and Pb-210 in the Canadian Middle Atmosphere Model.
• Ren, S., S. Polavarapu, Y. Rochon and D. Sankey: Middle atmosphere data assimilation in Canada.
• Sankey, D. and T.G. Shepherd: Quantifying the tropopause mixing barrier in the Canadian Middle Atmosphere Model.
• Sankey, D., Y. Rochon, S. Polavarapu, S. Ren and Y. Yang: The influence of assimilating dynamical variables on ozone in the Canadian Middle Atmosphere Model.
• Shepherd, T.G.: Large-scale transport and mixing in the middle atmosphere (INVITED).
• Shepherd, T.G.: Dynamical influences on ozone changes (INVITED).
• Shepherd, T.G.: Some issues in stratosphere-troposphere coupling (INVITED).
• Ward, W.E.: Dynamical fields in the mesopause region: insights from the extended CMAM (INVITED)
• Ward, W.E. and J.P. Russell: The effect of dynamical processes on nightglow profiles (INVITED)

The 39th IUPAC Congress and 86th Conference of The Canadian Society for Chemistry (Ottawa, Canada, 10-15 August , 2003)

• Ryzhkov, A.B. and P.A. Ariya, Atmospheric reactions of mono- and dimethylsubstituted Criegee intermediate with water.

European aerosol conference (Madrid, Spain, 4 Sept, 2003)

• Lohmann, U.: Global simulations of upper tropospheric aerosols and their effects on clouds and climate (INVITED).

226th ACS National Meeting (New-York, USA, 7-11 September, 2003)

• Ryzhkov, A.B., Bertrand, Revenaz, J. and P.A. Ariya, Ozonolysis of alkenes - impacts on sulfur oxidation in sulfate aerosols during fall and winter.

UTLS Workshop (Boulder, Colorado, 27-28 October, 2003)

• Folkins, I.: Structure and issues in the UT/LS.

SPARC Workshop on Understanding Seasonal Temperature Trends in the Atmosphere (Silver Springs, Maryland, 5 November, 2003)

• Shepherd, T.G.: Variability and changes in stratospheric circulation (INVITED).

SPARC Workshop on Process-oriented Validation of Coupled Chemistry-Climate Models (Garmisch-Partenkirchen, Germany, 17-19 November, 2003)

• Shepherd, T.G.: Stratospheric dynamics (INVITED).

2004

AGU Chapman Conference on Gravity Wave Processes and Parameterization (Kohala Coast, Hawaii, 10-14 January, 2004)

• McLandress, C. and J. Scinocca: A self-consistent intercomparison of gravity wave drag parameterizations.
• Shaw, T.A. and T.G. Shepherd: Assessing the importance of momentum conservation in the parameterization of gravity wave drag in atmospheric models.

DASP Workshop (London, Ontario, Canada, 19-20 February, 2004)

• McLandress, C. and J. Scinocca: A self-consistent intercomparison of gravity wave drag parameterizations.
• Sankey, D. and T.G. Shepherd: Correlations of long-lived chemical species in a middle atmosphere general circulation model.
• Semeniuk, K.: Testing trajectory-based satellite validation methods in a GCM.

Annual APS Meeting (Montreal, Canada, 22-26 March, 2004)

• Ryzhkov, A.B. and P.A. Ariya, Structure, stability, and reactions of complexes of Criegee intermediate with water H₂COO-(H₂O)_n, n=1-3: density functional theory investigation.

GRIPS Workshop (Bologna, Italy, 24-26 March, 2004)

• Fomichev, V.I.: Solar heating by the near-IR CO₂ bands in themesosphere.

ACE science team meeting. (Waterloo, Ontario, 19-21 April, 2004)

• Polavarapu, S., Y. Rochon, S. Ren, D. Sankey, Y. Yang: Update on CMAM data assimilation. ACE science team meeting.

Gordon Research Conference on Biogenic Hydrocarbons And The Atmosphere (Il Ciocco, Italy, 2-7 May, 2004)

• Folberth, G.A., Hauglustaine, D.A. and J. Lathiere: Biogenic emissions and their impact on tropospheric chemical composition in a chemistry-climate model coupled to a terrestrial biosphere model.

Joint AGU/CGU Assembly (Montreal, Quebec, Canada, 17-21 May, 2004)

• Du, J. and W.E. Ward: The annual cycle of non-migrating tides in the extended Canadian Middle Atmosphere Model.
• Fomichev, V.I.: Near-IR CO₂ bands in the mesosphere and their effect for doubled CO₂ conditions.
• Ward, W.E., V.I. Fomichev, S.R. Beagley, C. McLandress and J.C.R McConnell: Insights from the Extended Canadian Middle Atmosphere Model on the dynamics of the terrestrial mesosphere and lower thermosphere.

Sixth Workshop on Adjoint Applications in Dynamic Meteorology (Acquafredda di Maratea, Italy, 23-28 May, 2004)

• Neef, L.J. : Balance in the nonlinear Kalman Filter: studies with a simple model.

IAGA/ICMA 3rd Workshop "Long-term Changes and Trends in the Atmosphere" (Sozopol, Bulgaria, 9-14 June, 2004)

• Fomichev, V.I. and R.A. Akmaev: Modelling of global change in the middle atmosphere and lower thermosphere (INVITED).

35th COSPAR Scientific Assembly (Paris, France, 18 - 25 July 2004)

• Russell, J.P., W.E. Ward, R.P. Lowe and R.G. Roble: A climatology of atomic oxygen in the mesopause region using WINDII airglow observations (INVITED).
• Ward, W.E.: Dynamical influences on the airglow and chemistry of the mesopause region (INVITED).

SPARC 3rd General Assembly (Victoria, BC, Canada, 1-6 August, 2004)

• de Grandpre, J., S.R. Beagley,, V.I. Fomichev, J.C. McConnell, N.A. McFarlane and T.G. Shepherd: Middle atmosphere modelling of ozone and climate.
• Folberth, G.A., Hauglustaine, D.A. and J. Lathiere: Biosphere-troposphere chemical interaction in the LMDz-INCA climate-chemistry model: impact on upper tropospheric HO_x/NO_x and implications for future climate.
• Fomichev, V.I., A.I. Jonsson, J. de Grandpre, S.R. Beagley, C. McLandress, K. Semeniuk and T.G. Shepherd: Model response to the doubling of CO₂ as simulated by the Canadian Middle Atmosphere Model.
• Jonsson, A.I., J. de Grandpre, V.I. Fomichev, J.C. McConnell and S.R. Beagley: Greenhouse gases induced cooling and ozone radiative feedback.
• Polavarapu, S. : Coupled chemical-dynamical data assimilation in the stratosphere: prospects for separating model and measurement bias.
• Ren, S., S. Polavarapu, Y. Rochon and D. Sankey: Some diagnoses in the stratosphere using CMAM-DA analyses.
• Reszka, M.K. and T.G. Shepherd: Dynamical balance in the tropical stratosphere?
• Rochon, Y. J., S. Polavarapu, S. Ren, D. Sankey and Y. Yang: Background error statistics for middle atmosphere data assimilation.
• Sankey, D., M. Marchand, S. Polavarapu, S. Ren, Y. Rochon and Y. Yang: On the use of data assimilation to help identify model errors in the Canadian Middle Atmosphere Model
• Scinocca, J.F.: Do current non-orographic GWD parameterizations differ in their application?
• Ward, W.E., J. Oberheide, A.K. Smith, M Riese, and D. Offermann: Ozone/temperature correlations during the CRISTA 2 flight.
• Yang, Y., Y. Rochon, S. Polavarapu, S. Ren and D. Sankey: First results of assimilating ozone data into CMAM with CMC's 3DVAR.

8th International Global Atmospheric Chemistry Conference (Christchurch, New Zealand, 4-9 September, 2004)

• Folberth, G.A., Hauglustaine, D.A. and J. Lathiere: A budget analysis of in-situ CO₂ production via CO and BVOC photooxidation.

8th International Conference on Carbonaceous Particles in the Atmosphere (Vienna, Austria, 14-16 September, 2004)

• Croft, B., U. Lohmann, and K. von Salzen: Black carbon ageing in CCCma global climate model.

Fall American Geophysical Union Meeting (San Francisco, 13-17 December, 2004)

• Ward, W.E. and J.P. Russell, Evidence for a solar cycle variation in nightglow and atomic oxygen in the mesosphere and lower thermosphere.

2005

DASP Workshop (Edmonton, 23-27 February, 2005)

• MacKenzie, D. and W.E. Ward: Hough mode decomposition of CMAM tidal features (Student Prize for Best Oral Presentation).
• Ward, W.E. and J.P. Russell: Evidence for a solar cycle variation in nightglow and atomic oxygen in the MLT region.

Workshop on Representing Unresolved Degrees of Freedom for the Atmosphere and Ocean (CRM, U. de Montréal, March, 2005)

• Shepherd, T.G.: Gravity-wave parameterization in the middle atmosphere (INVITED).

GRIPS Workshop (Toronto, Canada, 14-17 March, 2005)

• de Grandpré, J.: Transport processes in the lower stratosphere.
• Fomichev, V.I.: Carbon dioxide experiments with CMAM.
• McLandress, C.: The Impact of different gravity wave drag parameterizations on the time- and zonal-average circulation of the middle atmosphere.
• Scinocca, J.F.: An overview of the Canadian Centre for Climate Modelling and Analysis.
• Shepherd, T.G.: Inter-annual persistence of total ozone anomalies: a potential diagnostic for CCMs.

4th WMO Symposium on the assimilation of observations in Meteorology and Oceanography (Prague, Czech Republic, 18-22 April, 2005)

• Ménard, R., S. Polavarapu and Y. Yang: Estimation of model error bias.
• Neef, L. J., T. G. Shepherd and S. Polavarapu: Nonlinear balance issues in 4D data assimilation.
• Polavarapu, S.: The challenges of middle atmosphere data assimilation.
• Rochon, Y. J. and S. Polavarapu: Generalized innovation operators for the assimilation of integral measurements.
• Yang, Y., Y. J. Rochon, S. Polavarapu, S. Ren, D. Sankey: Statistical results from the first assimilation of OSIRIS stratospheric ozone measurements.

XX EGU General Assembly (Vienna, Austria, 25-29 April, 2005)

• Codoban S. and T.G. Shepherd: On the energetics of symmetric circulations.
• Jin, J.-J.: Strato-mesospheric CO measurements from ACE-FTS and Odin/SMR and a comparison with CMAM, a middle atmosphere model.
• Lohmann, U.: Cirrus, cloud microphysics and aerosols: detailed models versus global climate models (INVITED).
• Neef, L. J., T. G. Shepherd and S. Polavarapu: Nonlinear balance issues in 4D data assimilation.
• Semeniuk, K.: Simulation of the October-November 2003 Solar Proton Related Events in the CMAM GCM.
• Shepherd, T.G.: Summertime total ozone variations over middle and polar latitudes.
• Shepherd, T.G.: Available potential energy and its relatives (INVITED).

5th CSA workshop on Atmospheric Science (Banff, Canada, 5-7 May, 2005)

• Polavarapu, S.: CMAM-Facility for data assimilation and modelling (INVITED).
• Reszka, M.K. and T.G. Shepherd: Dynamical balance constraints for data assimilation in the tropics.
• Sankey, D., S. Ren, S. Polavarapu, Y. Rochon and Y. Yang: Comparison of initialisation methods for a climate assimilation run.

Spring American Geophysical Union Meeting (New Orleans, 23-27 May, 2005)

• W.E. Ward and J.P. Russell: Atomic oxygen variability in the mesopause region (INVITED).

39th Congress of the Canadian Meteorological and Oceanographic Society (Vancouver, BC, Canada, 30 May-3 June 2005)

• Beagley, S.R., Semenuik, K., de Grandpre, J., Fomichev, V.I., and J.C. McConnell: Simulating heterogeneous stratospheric ozone loss in a GCM: continuing studies using CMAM.
• Lohmann, U.: Cirrus, cloud microphysics and aerosols: what can we learn from parcel models for use in global climate models (INVITED).
• McLandress, C.: The role of small-scale gravity waves in the general circulation of the middle atmosphere (INVITED).
• Plummer, D.A., S.R. Beagley, J de Grandpré and J.C. McConnell: Simulation of tropospheric chemistry in the Canadian Middle Atmosphere Model.
• Shepherd, T.G.: Some issues in middle atmosphere climate modelling (INVITED).

15th Conference on Atmospheric and Oceanic Fluid Dynamics (Cambridge, Massachusetts, 13-17 June 2005)

• Codoban, S. and T.G. Shepherd: On the available energy of symmetric circulations.
• Shaw, T.A. and T.G. Shepherd: On the importance of momentum conservation in the parameterization of gravity wave drag in the atmospheric models.
• Shepherd, T.G.: Issues in stratosphere-troposphere coupling (INVITED).

Workshop on Novel Approaches to Climate (Aspen Center for Physics, 20 June-1 July, 2005)

• Shepherd, T.G.: Statistical uncertainty, attribution, and prediction of stratospheric climate change

IAGA Scientific Assembly (Toulouse, France, 18-29 July, 2005)

• Fomichev, V.I.: Response of the middle atmosphere to CO₂ doubling: Results from the Canadian Middle Atmosphere Model (INVITED).
• McLandress, C. and J. Scinocca: Sensitivity of the middle atmosphere to differences in the wave-breaking mechanisms assumed in non-orographic gravity wave drag parameterizations (INVITED).
• Shepherd, T.G.: The role of the middle atmosphere in climate (INVITED).
• Ward, W.E., Du, J. and B.D. MacKenzie, Superposition effects between large scale waves in the extended Canadian Middle Atmosphere Model.
• Ward, W.E., Beagley, S.R., McLandress, C., Semeniuk, K., Fomichev, V. and T.G. Shepherd: The large scale structure and variability in the mesosphere and lower thermosphere of the extended Canadian Middle Atmosphere Model

IAMAS General Assembly (Beijing, China, 2-11 August 2005)

• Polavarapu, S., S. Ren, Y. Rochon, D. Sankey, Y. Yang, C. McLandress, T. Shepherd: Middle atmosphere data assimilation: The Canadian experience (INVITED)
• Du, J. and W.E. Ward: The seasonal cycle of planetary waves in the stratosphere and mesosphere in the extended Canadian Middle Atmosphere Model.

Joint SPARC Workshops on Data Assimilation and Stratospheric Winds (Banff, Canada, 12-15 Sept. 2005)

• Polavarapu, S. Some issues in middle atmosphere data assimilation.
• Rochon, Y. and S. Polavarapu: A generalized innovation operator for the assimilation of integral measurements.
• Sankey, D., S. Polavarapu, B. Bregman, R. Schele, S. Ren and Y. Rochon: Comparison of initialization methods for a climate assimilation run.
• Rochon, Y., P. Rahnama and A. Scott: Performance model for the SWIFT instrument on Chinook.

AGU Fall Meeting (San Francisco, 5-9 December, 2005)

• Sun, J. and P.A. Ariya, Modeling Studying on Ice Formation by Bacteria in Warm-based Convective Cloud.
• Ward, W.E., Veselinesovic, D. and J. Du: Mesosphere/lower thermosphere signatures of a sudden stratospheric warming in the Extended Canadian Middle Atmosphere Model.