27 June - 8 July: IUGG XXV General Assembly, Melbourne, Australia
Mudryk, L.R. and P.J.Kushner, A method to diagnose sources of annular mode time scales
Shepherd M., S. Beagley, Y.M. Cho, G. Shepherd, and V. Fomichev, Investigation of Major Stratospheric Warming effects on atmospheric coupling at high latitudes using the extended Canadian Middle Atmosphere Model
13-17 June: AMS 18th Conference on Atmospheric and Oceanic Fluid Dynamics, Spokane, WA, USA
Shepherd, T.G. and C. McLandress, A robust mechanism for strengthening of the Brewer-Dobson circulation in response to climate change: critical-layer control of subtropical wave breaking
Erler, A., R. Field, D. Jones and T. Shepherd, An Objective Definition of the Tropopause
Reader, C. M., D. Plummer and J. Scinocca, Tropospheric and Stratospheric Ozone Changes in the Canadian Middle Atmosphere Model (CMAM) with Tropospheric Chemistry
Shepherd, T., Large-scale two-dimensional turbulence in the atmosphere? (INVITED)
Shepherd, T., The coupled stratosphere-troposphere response to climate change (INVITED)
Simpson, I., T. Shepherd and M.Sigmond, Dynamics of the lower stratospheric circulation response to ENSO
Smith, K., P. Kushner, J. Cohen and C. Fletcher, Why can't climate models capture the observed connection between seasonal snow cover and the Northern Annular Mode?
9-11 May: 3rd High Energy Particle Precipitation in the Atmosphere (HEPPA) Workshop, Granada, Spain
Semeniuk, K., V. I. Fomichev, J. C. McConnell, C. Fu, S. M. L. Melo, and I. G. Usoskin, Atmospheric response to the solar cycle in irradiance and ionizing particle precipitation (INVITED)
11-12 April: Michael McIntyre 70th Birthday Celebration, University of Cambridge, UK
Shepherd, T.G., The Brewer-Dobson circulation (INVITED)
3-8 April: EGU General Assembly, Vienna, Austria
Mudryk, L.R. and P.J.Kushner, A method to diagnose sources of annular mode time scales
28 February - 4 March: Chapman Conference on Atmospheric Gravity Wave and their effects on General Circulation and Climate, Honolulu, Hawaii, USA
Hitchcock, P., Gravity wave-driven descent of the stratopause following sudden warmings
31 January-1 February: Workshop on Tropical Stratosphere-Troposphere: Implications for Indian Monsoon and Climate, Indian Institute of Tropical Meteorology, Pune, India
Shepherd, T.G., Stratospheric Processes And their Role in Climate (SPARC) (INVITED)
Shepherd, T.G., Mechanisms of stratosphere-troposphere coupling in the subtropics (INVITED)
22-27 January: 91st AMS Annual Meeting, Seattle, WA, USA
Hitchcock, P., and T. G. Shepherd, Seasonally coherent recoveries from stratospheric sudden warmings
Jonsson, A., V. Fomichev and D. Plummer, Multiple linear regression analysis of stratospheric temperature and ozone changes: Assessment of uncertainties in model based attribution
McLandress, C., A. Jonsson, D. Plummer, C. Reader, J. Scinocca, M. Sigmond, and T. G. Shepherd, Separating the effects of ozone depletion/recovery and climate change on the dynamics of the Southern Hemisphere stratosphere and troposphere
Simpson, I. R., T. G. Shepherd and M. Sigmond, The response of the tropical lower stratosphere to ENSO
2010
,b>13-17 December: AGU Fall Meeting, San Francisco. CA, USA
Shepherd, T.G., The role of atmospheric dynamics in ozone-climate coupling
3-5 November: DynVar Workshop 2, Boulder, Colorado, USA
Sigmond, M. Effects of stratospheric ozone depletion and increasing greenhouse gases on the Southern Ocean and Antarctic sea ice trends
25-29 October: WCRP Workshop on Seasonal to Multi-Decadal Predictability of Polar Climate, Bergen, Norway
Kushner, P.J., Stratospheric influence on polar climate
Sigmond, M., The ozone hole, the Southern Ocean and Antarctic sea ice trends
Shepherd, T.G., Long-memory processes in the stratosphere
25-27 October: Joint ACE/OSIRIS Science Team Meeting, Toronto, Canada
Sloan, J. J., C. Sioris and J. Hu, Retrievals of cirrus and PSCs from ACE measurements
Sioris, C., J. J. Sloan and J. Hu, Particle size distributions from ACE-FTS and MAESTRO
9-12 August: AGU Meeting of the Americas, Iguazu Falls, Brazil
Hegglin, M. I., The extra-tropical UTLS from space-based instruments (INVITED)
Hegglin, M. I. and T. G. Shepherd, Climate-induced changes in UV
Shepherd, T.G., Climate sensitivity to gravity-wave drag parameterization (INVITED)
Shepherd, T.G., Coupling between stratospheric ozone and climate: Latest results from the CMAM
Melo, S. M. L., K. Semeniuk and V. Fomichev, Model study of the middle atmosphere response to the 11-year variability in solar irradiance and ionizing particle precipitation
Cooper, M., R.V. Martin, C. Boone, K. Walker, P. Bernath, C. McLinden, D. Degenstein, B. Sauvage, C. Wespes, Evaluation of satellite retrievals of O3 and HNO3 in the upper troposphere: Application to ozone production efficiency
Mitovski, T., Temperature, relative humidity, mass divergence, and ozone response to strong rainfall events in the western tropical Pacific: Observations and models
21-23 June: 8th SPARC data assimilation workshop, Exeter, UK
Polavarapu, S., The stratospheric influence on the troposphere in the context of operational medium-range weather forecasts
Ren, S., Polavarapu, S. and Rochon, Y., CMAM-DAS and diagnostics of the 2006 Arctic SSW
Milewski T. and Bourqui M.S : Ensemble assimilation of stratospheric temperature and ozone observations in a Chemistry-Climate Model
15-18 June: 6th Workshop on Long-Term Changes and Trends in the Atmosphere
Semeniuk, K., V. I. Fomichev, S. M. L. Melo, Role of ionizing particle precipitation in the solar cycle of the middle atmosphere (INVITED)
7-10 June: DASP, CAP Annual Congress, Toronto, Canada
Shepherd, T.G., Global-scale teleconnections in the troposphere-stratosphere-mesosphere system (INVITED)
31 May - 4 June: CMOS Congress, Ottawa, Canada
Anstey, J., Scinocca, J. F. and Keller, M., Simulation of a realistic QBO in an atmospheric general circulation model
Beagley, S., V. Fomichev, L. Megner, K. Semeniuk and J. McConnell, The extended CMAM: Latest developments
Beagley, S., et al., Ozone data assimilation with the CMAM-DAS
Erler, A. and Wirth, V., The static stability of the tropopause region in baroclinic life-cycle experiments
Farahani, E., Strong, K., Shepherd, T. G., Mittermeier, R. and Fast, H., Springtime Arctic measurements of trace gases from 1999 to 2003 at Eureka, Canada Comparisons with results from the Canadian Middle Atmosphere Model
Hegglin, M. I., Climate-change induced changes in UV radiation and stratospheric ozone fluxes into the troposphere (INVITED)
Hegglin, M. I. and S. Gettelman, Simulating the past, present and future of the upper troposphere and lower stratosphere (UTLS)
Hegglin, M. I. and the PREMIER MAG, PREMIER
Jonsson, A. I., V. Fomichev, D. Plummer, Assessment of multiple linear regression as a tool for attribution of stratospheric temperature and ozone changes
Mackenzie, D., D. Jones, M. Hegglin, J. Worden, C. Boone, K. Walker, P. Bernath, C. Carouge, and L. Murray, Characterizing the seasonal variation in position and depth of the mixing layer in the UTLS based on observations from the ACE-FTS and TES satellite instruments
McLandress, C., A. I. Jonssson, D. A. Plummer, M. C. Reader, J. F. Scinocca, T. G. Shephered and M. Sigmond, Separating the effects of climate change and ozone depletion on the dynamics of the Southern Hemisphere troposphere and stratosphere
Milewski T. and M. S. Bourqui: Ensemble assimilation of stratospheric temperature and ozone observations in a Chemistry-Climate Model
Nezlin, Y., Reszka, M., Rochon, Y., Ren, S. and Shepherd, T. G., Observability of equatorial stratospheric winds
Plummer, D., Reader, M. C. and Scinocca, J. F., Influence of stratospheric ozone depletion on tropospheric ozone (POSTER)
Polavarapu, S., The stratospheric influence on the troposphere in the context of operational medium-range weather forecasts
Reader, M. C., Sigmond, M., Fyfe, J. C., Plummer, D. A., Scinocca, J. F. and Shepherd, T. G., The Effect of Ozone Depletion and Greenhouse Gas Warming on the Southern Ocean in Coupled Transient Simulations using the CMAM Middle Atmosphere Chemistry Climate Model
Ren, S., et al., Middle atmospheric structure of the Arctic 2006 Stratospheric Sudden Warming event
Scinocca, J. F., The impact of GWD on climate change (INVITED)
Semeniuk., K., V. Fomichev and S. Melo, Middle atmosphere response to the 11-year variability in solar irradiance and ionizing particle precipitation
Sigmond, M. The influence of the basic state on the Northern Hemisphere circulation response to climate change
Sigmond, M., Fyfe, J. C., Scinocca, J. F. and Reader, M. C., Stratospheric ozone depletion and Southern Ocean atmosphere-ocean coupling
Simpson, I. and Shepherd, T. G., The influence of sea surface temperature variability on the Antarctic stratosphere
Wang, L. and P. J. Kushner: Diagnosing the stratosphere-troposphere stationary wave response to climate change in chemistry-climate models
27-28 May: Space Science Symposium in honour of the scientific career of Gordon G. Shepherd, York University, Toronto
McLandress, C., The scientific achievements of WINDII
Shepherd, T.G., The scientific case for SWIFT
2-7 May: EGU General Assembly, Vienna, Austria
Wang, L. and P. J. Kushner: Diagnosing the stratosphere-troposphere stationary wave response to climate change in chemistry-climate models (POSTER)
Mudryk, L.R. and P.J.Kushner, Sources of annular mode time scales. (Poster)
2009
25-26 October: The One Atmosphere: IGAC-SPARC Joint Workshop, Kyoto, Japan
Shepherd, T. G., The role of stratospheric dynamics in chemistry-climate coupling (INVITED)
19-22 October: Community Workshop on the Extra-Tropical UTLS, Boulder, USA
Hegglin, M. I. and A. Gettleman, CCMVal Overview: The extra-tropical UTLS in chemistry-climate models (INVITED)
Hegglin, M. I., First global view on the extratropical tropopause transition layer from the ACE-FTS
MacKenzie, D., D. Jones, M. Hegglin, J. Worden, C. Boone, K. Walker and P. Bernath, Characterizing the seasonal variation in position an depth of the mixing layer in the UTLS based on observations from the ACE-FTS and TES satellite instruments
Anstey, J. A., T. G. Shepherd and J. F. Scinocca, QBO-vortex interaction in an AGCM with a spontaneously forced QBO
Batchelor, R.,, K. Strong, Lindenmaier, R. Manson, C. Meek. S. Polavarapu, M. Reszka, G. Manney, W. Daffer, and NDACC IRWG Arctic station teams, Characterizing the spring-time Arctic stratosphere during IPY
Beagley, S. R., C. Boone, V. I. Fomichev, K. Semeniuk, J. J. Jin, and J. C. McConnell, Carbon dioxide in the mesosphere and lower thermosphere: Comparing ACE observations and the extended CMAM
Folkins, I., Representation of the TTL in a new convective parameterization (INVITED)
Grishin, I., T. Kuhn, K. Kwiecien and J. J. Sloan, Effects of ice cloud particle shapes on radiative transfer
Hegglin, M. I. and T. G. Shepherd, Climate-induced changes in UTLS ozone and their impacts on the troposphere
Hegglin, M. I., C. D. Boone, G. L. Manney and K. A. Walker, A global view on the extratropical tropopause transition layer from the ACE-FTS
Jonsson A. I. and V. I. Fomichev, Attribution of global mean temperature trends in the middle atmosphere: Analysis of the radiative budget
Keller, M., S. Ren, C. McLandress, D. Pendlebury, S. Polavarapu and T. G. Shepherd, The impact of mesospheric observations on the 2-day wave in a Middle Atmosphere Data Assimilation System (POSTER)
Körnich, H., B. Karlsson, C. McLandress, T. G. Shepherd, et al., Inter-hemispheric coupling inferred from models and measurements of polar mesospheric clouds
Kushner, P. J. and D. I. Vyushin: Power-law behaviour in the atmospheric general circulation
Lucini, M., T. G. Shepherd, S. Polavarapu and N. McFarlane, Towards a multi-analysis ensemble
Manney, G. L., K. Krueger, M. J. Schwartz, S. Pawson, N. J. Livesay, S. Polavarapu, M. G. Mlynczak, E. E. Remsberg, J. M. Russell III, Studies of stratopause structure, evolution and transport from satellite data and new assimilation products
McLandress, C. and T. G. Shepherd, Simulated anthropogenic changes in the Brewer Dobson circulation, including its extension to high latitudes
McLandress, C. and T. G. Shepherd, Assessing the impact of climate change on stratospheric sudden warmings
Milewski, T. and Bourqui M.S : Testing stratospheric chemical-dynamical ensemble Kalman filtering (POSTER)
Monge-Sanz, B., M. Chipperfield, D. Dee, A. Simmons, S. Uppala, S. Ren, S. Polavarapu and T. G. Shepherd, Stratospheric transport in a CTM using DAS and GCM winds: Identifying effects
Nezlin, Y., S. Ren, Y.J. Rochon, S. Polavarapu, Impact of SABER Temperature Observations on Mesospheric Prediction
Nezlin, Y., Y.J. Rochon, M. Reszka and S. Polavarapu, New Applications of Observing System Simulation Experiments
Plummer, D. A., J. F. Scinocca, T. G. Shepherd, S. R. Beagley and K. Semeniuk, Untangling the dynamical and chemical effects on the evolution of stratospheric ozone through the 21st century
Polavarapu, S., Data assimilation for climate applications (INVITED)
Polavarapu, S., Recent advances in stratospheric and mesospheric data assimilation (INVITED)
Pulido, M., S. Polavarapu, T. Shepherd and J. Thuburn, Parameter estimation for gravity wave schemes using a genetic algorithm
Semeniuk, K., V. I. Fomichev, and S. M. L. Melo, Solar variability studies using the Canadian Middle Atmosphere Model
Semeniuk, K., V. Fomichev, C. Fu, and S. M. L. Mello, Impact of ionizing particle precipitation on the middle atmosphere (INVITED)
Shaw, T. A. and T. G. Shepherd, The impact of conservation of momentum in gravity wave drag parameterization on planetary wave structure and variability
Shepherd, T. G., The role of dynamics in middle atmosphere modelling (INVITED)
Shepherd, T. G., P. E. Huck and G. E. Bodeker, How much was ozone affected by ozone-depleting substances over Antarctica before 1980?
Shepherd, T. G., S. Tegtmeier and V. E. Fioletov, Seasonal persistence of stratospheric ozone anomalies
Sigmond, M., Stratosheric influence on tropospheric climate change (INVITED)
Wang, L. and P. J. Kushner, Modeling the coupled stratosphere-troposphere stationary wave response to climate change (POSTER)
Wang, L. and P. J. Kushner, Stationary nonlinearity and stationary wave reflection near the critical layer (POSTER)
8-12 June: AMS 15th Middle Atmosphere and 17th Oceans and Fluids Conference, Stowe, Vermont, USA
Anstey, J. A., Influence of the QBO on the winter stratosphere as internal atmospheric variability
Hegglin, M. I. and T. G. Shepherd, Trends in stratospheric ozone fluxes into the troposphere in a changing climate
Hitchcock, P., T. G. Shepherd, and S. Yoden, Newtonian Cooling in the Middle Atmosphere
McLandress, C. and T. G. Shepherd, Simulated anthropogenic changes in the Brewer-Dobson circulation, including its extension to high latitudes
Shaw, T. A. and T. G. Shepherd, The impact of conservation of momentum in gravity wave drag parameterization on planetary wave structure and variability
Sigmond, M., and J. F. Scinocca: What determines the Northern Hemisphere response to increasing greenhouse gases?
Smith, K., Influence of the climatological stationary wave field in climate-cryosphere interactions (POSTER)
Wang, L., and P. Kushner, Modelling the Coupled Stratosphere-Troposphere Stationary Wave Response to Climate Change (POSTER)
1-5 June: CCMVal Workshop, Toronto, Canada
Austin, J. and J. Scinocca, Overview and Discussion: Ozone projections
Gettelman, A. and M. I. Hegglin, Overview and Discussion: UTLS
Hitchcock, P., T. G. Shepherd, and C. McLandress, Are the Coldest Arctic Winters getting colder? (POSTER)
Jonsson, A. I., V. I. Fomichev, and T. G. Shepherd, Attribution of stratospheric ozone and temperature changes to changes in ozone-depleting substances and "well-mixed" greenhouse gases
Fomichev V. and Forster P., Overview and Discussion: Radiation
McLandress, C. and T. G. Shepherd, Impact of climate change on stratospheric sudden warmings as simulated by the Canadian Middle Atmosphere Model
Wang, L. and P. Kushner, Building a Stratosphere-Troposphere Stationary Wave Model (POSTER)
31 May - 4 June: 43th Annual CMOS Congress, Halifax, Nova Scotia, Canada
Bacak, A., R. Damoah and J. J. Sloan, Long range atmospheric transport of aerosols: First ARCTIC measurements using Quadrupole Aerosol Mass Spectrometer
Beagley, S. R., C. D. Boone, V. I. Fomichev, J. J. Jin, K. Semeniuk, J. C. McConnell, P. F. Bernath, and K. A. Walker, First global observations of groundstate CO2 in the mesosphere and lower thermosphere by ACE-FTS and analysis using CMAM model
Damoah, R., A. Bacak, T. Kuhn and J. J. Sloan, Forecasting intercontinental transport of pollution into the Canadian High Arctic using Lagrangian particle dispersion modelling
Folkins, I., A Convective Parameterization with Trimodal Convective Outflow
Jin, J., K. Semeniuk, S. Beagley, V. Fomichev, A. Jonsson, J. McConnell, J. Urban, D. Murtagh, G. Manney, C. Boone, P. Bernath, and ACE and SMR Team, Comparison of CMAM simulations of carbon monoxide (CO), nitrous oxide (N2O), and methan (CH4) with observations from ODIN/SMR, ACE-FTS, and Aura/MLS
Smith, K., Influence of the climatological stationary wave field in climate-cryosphere interactions
24-27 May: AGU Joint Assembly - Meeting of the Americas, Toronto, Canada
Beagley, S. R., C. D. Boone, V. I. Fomichev, J. J. Jin, K. Semeniuk, J. C. McConnell, and P. F. Bernath, First global observations of groundstate CO2 in the MLT by ACE and analysis using CMAM model results (POSTER)
Folkins, I., A one-dimensional cloud model with trimodal convective outflow
Jonsson, A. I. and V. I. Fomichev, Attribution of global mean temperature trends in the middle atmosphere: Model diagnostics
Shepherd, T. G., Mechanisms of chemistry-climate coupling (INVITED)
Shepherd, T. G., Global-scale teleconnections in the Earth's middle atmosphere (INVITED)
Sigmond, M., and J. F. Scinocca: Influence of the Stratosphere on the NAM response to increasing greenhouse gases
Wang, L. and P. Kushner, Modelilng the Coupled Stratosphere-Troposphere Stationary Wave Response to Climate Change (POSTER)
20 May: 8th Workshop on adjoint applications in dynamic meterology, Tannersville, Pennsylvania, US
Polavarapu, S., Y. Nezlin, S. Ren, Y. Rochon and S. Beagley, Vertical propagation of information in data assimilation systems
7-10 April: The 4th GEOS-Chem Scientific and User's Meeting
MacKenzie, D., Seasonal Variations in the Mixing Layer in the UTLS
17-19 March: SPARC Water Vapour Workshop, Toronto, Canada
M. I. Hegglin, Needs of the Chemistry-Climate Modelling community regarding H2O measurements
26 February: IPY Cryosphere Snow Working Group Workshop, Toronto, Canada
Kushner, P. J., Overview
Smith, K., The transient atmospheric response to an idealized snow forcing in a relatively simple GCM
2008
15-18 December: American Geophysical Union meeting, San Fransisco, USA
Rochon, Y. J., M. Keller, Y. Nezlin, R. Ménard, Y. Yang, C.S. Haley, and T.G. Shepherd, The Impact of Stratospheric Wind and Ozone Observations on Analyses and Forecasts: OSSE Description and Initial Results
10-13 November: WWRP-THORPEX workshop on 4D-Var/EnsKF intercomparisons, Buenos Aires, Argentina
Polavarapu, S., Balance and 4D-Var (INVITED)
3-5 November: ACE Workshop, Waterloo, Ontario
Hegglin, M., C. Boone, G. Manney, T. Shepherd, K. Walker, and P. Bernath, ACE-FTS observations in the upper tropospere/lower stratosphere and their use for chemistry-climate model validation
24-25 October: Plumbfest, Columbia University, USA
Shepherd, T. G., Stratospheric Modelling (INVITED)
15-17 October: CEOS Workshop on Atmospheric Composition Data Sets and Climate Modelling, Goddard Institute for Space Studies, New York, USA
Hegglin, M., C. Boone, G. Manney, T. Shepherd, K. Walker, and P. Bernath, Validation of chemistry-climate models in the upper troposphere/lower stratosphere usig solar occulation observations from the ACE-FTS
Shepherd, T., SPARC overview and data needs
Tegtmeier, S., V. Fioletov and T. Shepherd, Dealing with missing data in the NH stratosphere
9-13 September: 5th IAGA/ICMA/CAWSES Workshop on Long-Term Changes and Trends in the Atmosphere
Fomichev, V. I. and A. I. Jonsson, Understanding middle atmosphere temperature trends in terms of radiative energy budget changes (INVITED)
31 August - 5 September: 4th SPARC General Assembly, Bologna, Italy
Birner, T., The Tropopause Inversion Layer (INVITED)
Birner, T. and P. D. Williams, Sudden Stratospheric Warmings as Noise-Induced Transitions (Poster)
Farahani E., S. Polavarapu, T. G. Shepherd, and N. McFarlane, The Structure and Evolution of the Polar Stratosphere and Mesosphere during IPY - Early Results from SPARC-IPY (Poster)
Fletcher C., S. C. Hardiman, P. J. Kushner, and J. Cohen, Stratospheric Influence on the Extratropical Circulation Response to Surface Forcing in High-Top and Low-Top Models (Poster)
Hardiman S. C., P. Kushner and J. Cohen, The Effects of Eurasian Snow Cover in General Circulation Models (Poster)
Hegglin, M., Toward A Global View of Extratropical UTLS Tracer Distributions (INVITED)
Hitchcock, P., T. G. Shepherd and C. McLandress, Conditions for Polar Stratospheric Cloud formation in the Canadian Middle Atmosphere Model (Poster)
Huck, P. E., G. E. Bodeker, H. Struthers, D. Smale, E. Rozanov, and T. G. Shepherd, Quantifying key sensitivities in the interaction between climate change and Antarctic ozone depletion in observations and CCMs (Poster)
Jonsson, A. I. and V. I. Fomichev, On the radiative forcing of global-mean temperature trends in the middle atmosphere (Poster)
Kushner P., Stratospheric Control of Tropospheric Annular Mode Responses to Climate Change (INVITED)
McLandress, C. and T. G. Shepherd, Diagnosing the Causes of the Climate-Change Induced Strengthening of the Brewer-Dobson Circulation
Nezlin Y., Y. Rochon, and S. Polavarapu, Impact of Tropospheric and Stratospheric Data Assimilation on the Mesospheric Prediction (Poster)
Pendlebury, D., T. G. Shepherd, M. Pritchard, and C. McLandress, Normal Mode Rossby Waves and Their Effects on Chemical Composition in the Late Summer Stratosphere (Poster)
Plummer, D. A., J. Scinocca, T.G. Shepherd, S. R. Beagley, and K. Semeniuk, CMAM Projections of the Dynamical and Chemical Effects on Ozone through the 21st Century (Poster)
Polavarapu S., Recent Advances in Stratospheric Data Assimilation (INVITED)
Pulido M., S. Polavarapu, T. G. Shepherd, and J. Thuburn, Determining Optimal Parameters for Gravity Wave Drag Schemes Using Data Assimilation Techniques: Twin Experiments (Poster)
Ren, S., S. Polavarapu, and T. G. Shepherd, The Constraint of Data Assimilation in the Stratosphere and Troposphere on Mesospheric Motions (Poster)
Scinocca, J. F., C. Reader, D. Plummer, M. Sigmond, P. Kushner, T. G. Shepherd, and A. R. Ravishankara, The Sensitivity of Polar Ozone Recovery to Catastrophic Sea-Ice Loss In The Northern Hemisphere
Shaw, T., M. Sigmond, T. G. Shepherd, and J. F. Scinocca, Spurious Sensitivity of a General Circulation Model to Model Lid Height due to Nonconservation of Angular Momentum (Poster)
Sigmond, M., J. F. Scinocca and P. J. Kushner, The Impact of the Stratosphere on Tropospheric Climate Change. (Poster)
Sigmond, M. and J. F. Scinocca, The Sensitivity of Modeled Climate Change to Orographic Gravity Wave Drag. (Poster)
Tegtmeier, S., V. E. Fioletov, and T. G. Shepherd, Seasonal Persistence of Northern Low and Middle Latitude Anomalies of Ozone and Other Trace Gases in the Stratosphere (Poster)
Wang, L. and P. Kushner, Stationary Wave Response to Climate Change (Poster)
Winter, B. and M. Bourqui, Stratospheric Response to Latitudinally Varied Surface Warming (Poster)
29 June - 5 July: Quadrennial Ozone Symposium, Tromso, Norway
Hegglin, M., C. Boone, G. Manney, T. Shepherd, K. Walker, P. Bernath, W. Daffer, P. Hoor, and C. Schiller, Validation of ACE-FTS zone in the upper troposphere/lower stratosphere using nn-coindident measurements
Tegtmeier, S., V. Fioletov, and T. Shepherd, Seasonal persistence of anomalies of ozone and other trace gases in the NH stratosphere
1-6 June: CAWSES International Workshop on Solar Variability, Earth's Climate and the Space Environment, International Workshop, Bozeman, Montana, USA
Semeniuk, K., C. Fu, V. I. Fomichev, I. G. Usoskin, J. C. McConnell, and S. M. L. Melo, The Effect of Galactic Cosmic Rays on the Middle Atmosphere: a study using the Canadian Middle Atmosphere Model
28-31 May: 1st International HEPPA Workshop, FMI, Helsinki, Finland
Lopez-Peurtas, M., B. Funke, M. Garcia-Comas, N. Glattthor, G. P. Stiller, T. Von Clarmann, K. Semeniuk, and J. C. McConnell, N2O and CO changes in the polar stratosphere/mesosphere during the October-November 2003 solar proton events as observed by MIPAS
26-29 May: CMOS Annual Congress, Kelowna, BC
Shepherd, T. G., Advances in middle atmosphere modelling (INVITED)
13-18 April: European Geophysical Union General Assembly, Vienna, Austria
Jin, J. J. , K. Semeniuk, S. R. Beagley, A. I. Jonsson, J. C. McConnell, J. Urban, D. Murtagh, B. Barret, E. Dupuy, C. D. Boone, SMR and ACE team, Comparison of CMAM simulations of CO, N2O, and CH4 with observations from Odin/SMR, ACE-FTS, and AURA MLS (POSTER)
Nezlin, Y. and Y. Rochon, On the use of simulations with a perfect model in the error analysis of data assimilation systems
Fletcher, C. G., S.C. Hardiman, P.J. Kushner, A. Hall, X. Qu and J. Cohen, Snow-Atmosphere Interaction in General Circulation Models: Summary of current projects
5-8 February: NASA/NOAA Working Group on Space-based Lidar Winds, Monterey, USA
Shepherd, T. G., The scientific value of stratospheric wind measurements (INVITED)
2007
10-14 December: AGU Fall Meeting, San Francisco, USA
Beagley, S. R., J. C. McConnell, V.I. Fomichev, K. Semeniuk, A. I. Jonsson, A. Garcia Munoz, C. McLandress and T.G. Shepherd, Extended CMAM: Impacts of thermospheric neutral and ion chemistry on the middle atmosphere
Semeniuk, K., J. C. McConnell, P. F. Bernath, J.-J. Jin, C. Fu, J. Jaroz, N2O production during high energy auroral precipitation (POSTER)
Semeniuk K., C. Fu, V. I. Fomichev, J. C. McConnell, and S. M. L. Melo, The Middle Atmosphere and Energetic particle precipitation - response in the Canadian Middle Atmosphere Model (POSTER)
Jin, J. J., K. Semeniuk, S. R. Beagley, A. I. Jonsson, J. C. McConnell, J. Urban, D. Murtagh, B. Barret, E. Dupuy, C. D. Boone, P. F. Bernath, K. A. Walker, Comparison of CMAM simulations of carbon monoxide (CO), Nitrous Oxygen (N2O), and methane (CH4) with observations from Odin/SMR, ACE-FTS, and AURA MLS (POSTER)
November: ACE Workshop, Waterloo, Canada
Hegglin, M. I., An Update on the Validation of the ACE-FTS in the UTLS
12-16 November: European Mars Science and Exploration Conference, ESTEC, Netherlands
Daerden, F., N. Mateshvili, A.,Akingunola, J. C. McConnell, J.W. Kaminski, A Comparison of bulk water ice clouds in GM3 with measurements of ice clouds from SPICAM
5-9 November: Reunion Island International Symposium on Tropical Stratosphere/Upper Troposphere, Reunion Island
Shepherd, T. G., Transport and mixing in the tropical stratosphere and upper troposphere (INVITED)
24-28 September: AGU Chapman Conference on The Role of the Stratosphere in Climate and Climate Change, Santorini, Greece
Birner, T., Stratospheric Residual Circulation and Tropopause Structure (INVITED)
Fletcher, C. G., P.J. Kushner and J. Cohen: Can the stratosphere control the extratropical circulation response to surface forcing?
Cohen, J. and P.J. Kushner, Stratosphere-troposphere interactions forced by snow variability (POSTER)
Kushner, P. J. et al., Modelling Stratospheric Influence on the Troposphere: the SPARC DynVar Project (INVITED)
Shepherd, T. G., How will climate change affect ozone recovery?
Sigmond, M., J. F. Scinocca and P. J. Kushner, The Effect of Removing a Well-Resolved Stratosphere on the Simulation of the Tropospheric Climate, and Climate Change
16 September: Montreal Protocol 20th Anniversary Meeting, Montreal, Canada
Shepherd, T. G., Key findings from the 2006 Scientific Assessment, and a look at what lies ahead (INVITED)
4-7 September: Joint SPARC Workshop on Data Assimilation and International Polar Year, Toronto, Canada
Chabrillat, S., Y. J. Rochon, R. Ménard, Y. Yang, A. Robichaud, C. Charette, 3D-FGAT assimilation of MIPAS-IMK and GOMOS chemical data
Hegglin, M. I., The benefits of in-line advection: Assessing the transport characteristics of the CMAM-DAS
McLandress, C., An overview of the dynamics of the mesosphere and lower thermosphere (INVITED)
Nezlin, Y. and Y. Rochon, A study of the CMAM-DAS using simulated observations
Polavarapu, S., SPARC Science and Data Assimilation
Polavarapu, S., The Canadian IPY effort
Ren S., S. Polavarapu, T. G. Shepherd, The constraint of data assimilation in the stratosphere and troposphere on mesospheric motions
20-24 August, 10th International Meeting on Statistical Climatology, Beijing, China
Vyushin, D., and P.J. Kushner, Fitting a power law model for low frequencies of ERA40 air temperature spectra
30 July - 3 August: PIMS w/s on Tropical multiscale convective systems: Theory, modeling, and observations, Victoria, Canada
Birner, T., Heat Budget of the Tropical Tropopause Layer
20-24 August: American Meteorological Society Middle Atmosphere Meeting, Portland, USA
Anstey, J. A., T. G. Shepherd and J. F. Scinocca, QBO variability and its effect on the extratropical circulation
Birner, T., Coupling of Residual Circulation and Static Stability in the Lowermost Stratosphere
Hegglin, M. I., The Extratropical Tropopause Transition Layer (ExTL) as seen from ACE
Kushner, P. J., Regional signatures of the annular modes from the stratosphere to the ocean
McLandress, C., The importance of small-scale gravity waves in the middle atmosphere: a modeller's perspective (INVITED)
Sigmond, M., P. J. Kushner and J. F. Scinocca, Discriminating between robust and non-robust atmospheric circulation responses to global warming (INVITED)
2-13 July: International Union of Geodesy and Geophysics 24th General Assembly, Perugia, Italy
Fomichev, V. I. and A. I. Jonsson, Past and future trends in the upper stratosphere and mesosphere from the Canadian Middle Atmosphere Model (INVITED)
Hegglin, M. I., O3-N2O correlations: Revisiting a diagnostic of transport and chemistry in the stratosphere
Hegglin, M. I., Validating ACE-FTS in the upper troposphere/lower stratosphere (UTLS)
Polavarapu, S., S. Ren, D. Sankey, Y. Rochon, Y. Nezlin, S. Beagley, T. Shepherd, Mechanisms for coupling the lower and middle atmosphere in data assimilation system (INVITED)
Polavarapu, S., S. Ren, Y. Rochon, D. Sankey, Y. Nezlin, S. Beagley, T. Shepherd, The sensitivity of mesosphere to the lower atmosphere in data assimilation systems (INVITED)
Semeniuk, K., C. Fu, V. I. Fomichev, J. C. McConnell and S. M. L. Melo, Simulations of the Effect of Ionizing Particle Precipitation on the Middle Atmosphere
Shepherd, T. G., Current challenges in middle atmosphere science (INVITED)
26-28 June: CCMVal Workshop, Leeds, UK.
Birner, T., Variability and trends in global tropopause parameters
Hegglin, M., O3-N2O correlations: Revisiting a diagnostic of transport and chemistry in the stratosphere
Jonsson, A. I., and V. I. Fomichev, Transient simulations of climate changes in the upper stratosphere and mesosphere
Kushner, P. J., A Dynamics and Variability Initiative for SPARC (INVITED)
Plummer, D. A., T. Shepherd, S. R. Beagley, K. Semeniuk and V. Fomichev, The CMAM transient simulations for CCMVal: Analysis of long-term changes in ozone
Tegtmeier, S., Persistence and photochemical decay of springtime total ozone anomalies in CCMs
17-20 June: Division of Aeronomy and Space Physics (DASP) CAP Annual Congress, Saskatoon, Canada
Bourqui, M., Extra-tropical stratosphere-troposphere exchange and dynamical structures at the tropopause
Hegglin, M., Validation of Chemistry Climate Models in the UTLS using ACE satellite data
Shepherd, T. G., The role of the upper troposphere/lower stratosphere in the climate system (INVITED)
14-16 May: ACE Science meeting, Waterloo, Canada.
Hegglin, M., Validation of Chemistry Climate Models in the upper troposphere/lower stratosphere (UTLS) using ACE satellite data
Jin, J., K. Semeniuk, S. R. Beagley, A. I. Jonsson, J. C. McConnell, G. L. Manney, K. A. Walker, C. D. Boone, P. F. Bernath, Analysis of the Antarctic ozone loss and related chemical processes
28 May - 1 June: CMOS-CGU-AMS Congress 2007, St John's, Canada.
Jonsson, A. I., T. G. Shepherd, and V. I. Fomichev, Detection and attribution of the effects of climate change and ozone depletion in the stratosphere
22-25 May: Spring AGU Joint Assembly, Acapulco, Mexico.
Fomichev V. I. and A. I. Jonsson, Middle atmosphere climate changes from transient runs with the Canadian Middle Atmosphere Model (Invited)
4-13 March: CLIVAR C20C Workshop, Exeter, UK.
Kushner, P., A Dynamics and Variability Initiative for SPARC: Connections to the C20C Project. (Invited)
1-2 February: CSA suborbital workshop.
Hegglin, M., The dream of a Canadian high-altitude research aircraft…
2006
10-15 December: AGU Fall Meeting
Kushner, P., Stratosphere-troposphere Interactions Forced by Variations in Snow Extent
Kushner, P., Discriminating Robust and Non-robust Atmospheric Circulation Responses to Climate Change
Folkins, I., The Role of the Deep Outflow Layer in the Tropical Water Vapor Budget
November: ACE Science meeting, Waterloo, Canada.
Hegglin, M., Tracer-tracer correlations from ACE: Exploring transport and chemistry in the stratosphere and in the CMAM
15-17 November: Multidecadal to Centennial Global Climate Variability, International Pacific Research Center, Honolulu, Hawaii, USA.
Vyushin, D. I., Workshop on Multidecadal to Centennial Global Climate Variability,. (2 posters)
24-25 October: CNES, Paris, France.
Melo, S. et al., The Canadian participation at the PICARD mission, oral presentation to the PICARD Science team Meeting
9-12 October: SPARC SSG Workshop, Boulder, CO, USA
Kushner, P., A Dynamics and Variability Initiative for SPARC. (Invited)
4-6 October: SOLARIS Workshop, Boulder CO, USA.
Fomichev V.I., Development of the extended CMAM for solar variability study
2-4 October: SPARC Data Assimilation Workshop, ESTEC, Noordwijk, Netherlands.
Nezlin Y., Y. Rochon, S. Ren and S. Polavarapu: Ensemble estimation of stationary background error covariances in CMAM-DAS.
Polavarapu, S., D. Sankey, S. Ren, Y. Rochon, Y. Nezlin, S. Beagley and T. G. Shepherd: Nonlocal responses of the middle atmosphere to data insertion
Shepherd, T. G., On the use of CCMVal diagnostics for validating DA products
26-28 September: ESA ADM-Aeolus Workshop; ESTEC (European Space research and Technology Centre), Noordwijk, The Netherlands,
Shepherd, T. G., Transport in the lower stratosphere: Science issues and research needs, ADM-Aeolus (Invited)
17-23 September: International Global Atmospheric Chemistry Symposium, Cape Town, South Africa.
Plummer, D. A., S. R. Beagley, J. deGrandpre and J. C. McConnell, Simulation of the chemical climate of the troposphere in the Canadian Middle Atmosphere Model, (poster)
Folkins, I., Modelling Deep Convection and its Role in the Tropical Tropopause Layer
23-26 May: Spring 2006 Joint Assembly, Baltimore, USA.
Folkins, I., Water Vapor Budget of the Tropical Tropopause Layer, for the session "Role of Atmospheric Water Vapor for Climate and Atmospheric Composition"
Shepherd, T. G., Chemistry-climate modelling of the stratosphere: A current perspective