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coupled chemistry-climate models |
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Key Science Questions
Sunday, 16 November 2003
17:30 - 19:00 | Registration and poster set-up | |
19:00 | Buffet at the Eibsee Hotel |
Monday, 17 November 2003
08:30 - 09:00 | Registration and poster set-up | |
09:00 - 09:10 | Georgios Amanatidis |
Session 1 - Overview and Introduction
Chair: Markus Rex
09:10 - 09:25 | IPCC & WMO/UNEP assessment needs | Neil Harris |
09:25 - 09:55 | Impact of climate change on the stratosphere | Martin Dameris |
09:55 - 10:25 | Statistical methods | Ben Santer |
10:25 - 10:45 | Coffee and poster set-up | |
10:45 - 11:15 | GCM-Reality Intercomparison Project for SPARC | Steven Pawson |
11:15 - 11:45 | Current status of CCMs | John Austin |
11:45 - 12:15 | Towards a process-oriented CCM validation | Veronika Eyring |
12:15 - 13:30 | Lunch |
Session 2a - Transport Characteristics
Chair: Eugene Rozanov
Rapporteur: Olaf Morgenstern
13:30 - 14:00 | Overview on Transport Characteristics | Darryn Waugh |
14:00 - 14:15 | Model grid zooming and the impact on tracer distributions in the Arctic lower stratosphere | Bram Bregman |
14:15 - 14:30 | N2O and NOy | Randy Kawa |
14:30 - 14:45 | Vortex edge development and erosion demonstrated by HALOE CH4 measurements | Susan Strahan |
14:45 - 15:00 | Modelling the QBO effects on tracer distribution | Marco Giorgetta |
15:00 - 15:15 | Coffee |
Session 2b - Stratospheric Dynamics
Chair: Steven Pawson
Rapporteur: Volker Grewe
15:15 - 15:45 | Overview on Stratospheric Dynamics | Ted Shepherd |
15:45 - 16:00 | Interannual variations of polar ozone losses and the general circulation | Toshihiko Hirooka |
16:00 - 16:15 | Planetary waves in observations and model results | Fabian Mager |
16:15 - 16:30 | Sensitivity of the middle atmosphere ozone depletion and increase in GHG with MAECHAM/CHEM | Elisa Manzini |
Chair: Steven Pawson & Eugene Rozanov
16:30 - 17:30 | Poster Session 2a and 2b | |
2a-1 Ozone Seasonal Cycles | Douglass, Anne; Kawa, Randy Jackman, Charles | |
2a-2 Quantification of horizontal
transport processes in the Berlin Climate Middle Atmosphere Model with interactive chemistry |
Krüger, Kirstin; Grenfell, John Lee; Mieth, Peter; Langematz Ulrike; Steil Benedikt | |
2a-3 Age-of-air simulation using the New-Dynamics Unified Model | Morgenstern, Olaf; Zeng, Guang; Braesicke, Peter; Pyle, John; Johnson, Colin | |
2a-4 Tracer Mixing in the Extratropical Tropopause Region | Wirth, Volkmar; Lopez Juan-Fran | |
2b-1 Sensitivity of dynamics and ozone to different representations of SSTs in the Unified Model | Braesicke, Peter; Pyle, John A. | |
2b-2 Cold bias and its sensitivity to the dissipation scheme | Burkhardt, Ulrike; Becker, Erich | |
2b-3 Comparison of zonal large scale ozone variability derived from ECHAM4.L39(DLR)/CHEM and TOMS total ozone data | Erbertseder, Thilo; Eyring, Veronika; Bittner, Michael; Dameris, Martin | |
2b-4 Climate Change in a Stratospheric Mechanistic Model | Hampson, John; Bekki, Slimane; Hauchecorne, Alain; Keckhut, Philippe; Chanin, Marie-Lise | |
2b-5 Variation in instantaneous lifetimes of ozone depleting substances, in relation to stratospheric circulation | Hoyle, Christopher; Rozanov E.; Egorova, T.; Peter T. | |
2b-6 Relation between stratospheric ozone and climate deduced from total ozone data | Hudson, Robert; Andrade, Marcos; Follette, Melanie | |
2b-7 Specified Ozone Production and Loss | Jackman, Charles; Kawa, Randy; Douglass, Anne; | |
2b-8 Observational constraints on modeling the dynamic troposphere-stratosphere coupling | Judith Perlwitz | |
2b-9 Signature of AO phase in the lower stratosphere ozone and temperature | Rozanov., Eugene; Egorova, Tatiana; Schmutz, Werner; Zubov, Vladimir | |
2b-10 Short term ozone variability - Ozone miniholes | Stenke, Andrea; Grewe, Volker | |
2b-11 Tropical isolation in the middle stratosphere as shown by CLAES N2O measurements | Strahan, Susan; Douglass, Anne | |
17:30 - 18:15 | Discussion for Session 2a and 2b | |
19:15 | Dinner at the Eibsee Hotel |
Tuesday, 18 November 2003
Session 3a - Stratospheric Chemistry & Aerosols
Chair: David Fahey
Rapporteur: Slimane Bekki
09:00 - 09:30 | Overview on Stratospheric Chemistry & Aerosols | Ross Salawitch & Martyn Chipperfield |
09:30 - 09:45 | An approach to diagnose polar ozone loss in CCM calculations | Markus Rex |
09:45 - 10:00 | Changes in southern hemisphere NO2: Comparison of measurements and model results | Hamish Struthers |
10:00 - 10:15 | Quantification of the importance of denitrification in a future stratosphere | Stewart Davies |
10:15 - 10:30 | Coffee |
Session 3b - Tropical Tropopause Layer including UTLS
Chair: Rolf Müller
Rapporteur: Volkmar Wirth
10:30 - 11:00 | Overview on Tropical Tropopause Layer including UTLS | Andrew Gettelman & John Pyle |
11:00 - 11:15 | Characteristic changes in water and clouds through the TTL | Rob Mac Kenzie |
11:15 - 11:30 | Evaluation of the transport characteristics in extratropical UTLS in the NCAR Whole Atmospheric Community Climate Model (WACCM) | Douglas Kinnison |
Chair: David Fahey and Rolf Müller
11:30 - 12:15 | Poster Session 3a and 3b | |
3a-1 The interactive chemistry climate model MAECHAM4-CHEM, longterm simulations for near past, present and near future | Bruehl, Christoph; Steil, Benedikt; Manzini, Elisa | |
3a-2 Polar stratospheric cloud simulations with ECHAM 5 | Buchholz, Joachim; Meilinger, Stefanie; Lelieveld, Jos | |
3a-3 Atmospheric Chemistry in the Community Atmosphere Model | Philip Cameron-Smith (LLNL), Doug Rotman (LLNL), Jean-Francois Lamarque (NCAR), Stacy Walters (NCAR), John Taylor (ANL), Peter Gleckler (LLNL) | |
3a-4 Chemistry Climate interactions after large volcanic eruptions I | Graf Hans_F.; Timmreck Claudia; Li Qian Thomas; Manu Anna | |
3a-5 Lagrangian CTM studies of future polar vortex structure and ozone loss | Lemmen, Carsten; Guenther, Gebhard; Mager, Fabian; Dameris, Martin; Riese, Martin; Mueller, Rolf | |
3a-6 Impact of climate and emission changes on stratospheric sulphuric acid aerosols | Pitari, Giovanni; Mancini, Eva | |
3a-7 Validation of a nudged 3-D circulation model including full stratospheric chemistry with satellite data | Ruhnke, Roland; Reddmann, Thomas; Kouker, Wolfgang | |
3a-8 The solar cycle variation of chemical species in the middle atmosphere studied with a 3-D chemistry-climate model | SEKIYAMA, Thomas; SHIBATA, Kiyotaka; DEUSHI, Makoto; ORITO, Kohtaro; KODERA, Kunihiko | |
3a-9 Stratospheric Bromine Chemistry | Sinnhuber, Bjoern-Martin; Sinnhuber, Miriam | |
3a-10 Evaluation of stratospheric temperature fidelity using an NCEP climatology | Strahan, Susan; Douglass, Anne | |
3a-11 Simulation of Pinatubo aerosols and its impact on stratospheric chemistry by using a CCSR/NIES AGCM | TAKIGAWA, Masayuki; TAKAHASHI, Masaaki; AKIYOSHI, Hideharu; | |
3a-12 The effects of non-orographic GWD scheme and radiation from large SZA on the Antarctic ozone hole | Tatsuya, Nagashima; Masaaki, Takahashi; Hideharu, Akiyoshi; Masayuki, Takigawa | |
3a-13 Effects of stratospheric water vapour on O3 depletion: A coupled chemistry-climate model study | Tian Wenshou; Chipperfield Martyn | |
3a-14 Chemistry Climate interactions after large volcanic eruptions II | Timmreck, Claudia | |
3a-15 A new treatment of PSCs for Chemistry-Climate Models | van den Broek, Miranda; Bregman, Bram | |
3b-1 Ozone production and loss in the UTLS region | Isaksen, Ivar; Gauss, Michael | |
3b-2 A climatology of the northern hemisphere winter tropopause in comparison of ECMWF analyses and the DLR/E39C general circulation model | Kouker, Wolfgang; Reddmann, Thomas; Ruhnke, Roland; Schnadt, Christine; Dameris, Martin | |
3b-3 Using the Tropopause Height for Model Evaluation and Detection of Climate Change | Sausen, Robert; Santer, B.D.; Wigley, T.M.L.; Taylor, K.E.; Boyle, J.S.; Brüggemann, W.; Meehl, G.A.; Roeckner, E.; Dameris, M.; Schnadt, C.; Eyring, V.; Grewe, V.; Ponater, M. | |
12:15 - 12:45 | Discussion for Session 3a and 3b | |
12:45 - 14:00 | Lunch |
Session 4a - Tropospheric Forcing
Chair: Hans Graf
Rapporteur: Kirstin Krüger
14:00 - 14:30 | Overview on Role of the Troposphere | Paul Newman |
14:30 - 14:45 | Fingerprinting the ozone signatures of climate patterns | Yvan Orsolini |
14:45 - 15:00 | Relation between stratospheric ozone and climate deduced from total ozone data | Robert Hudson |
15:00 - 15:15 | Dynamical control of ozone transport and ozone chemistry from satellite observations and CCMs | Mark Weber |
15:15 - 15:45 | Coffee |
Session 4b - Radiative Transfer & Balance
Chair: Robert Sausen
Rapporteur: Kleareti Tourpali
15:45 - 16:15 | Overview on Radiative Transfer and Balance | Michael Prather & Piers Forster |
16:15 - 16:30 | Interactive photolysis calculations in the GCM ECHAM: Comparison with observations near the surface | Christoph Brühl |
16:30 - 16:45 | The Radiation Balance of the TTL | Andrew Gettelman |
Chair: Hans Graf & Robert Sausen
16:45 - 17:30 | Poster Session 4a and 4b | |
4a-1 The interactive chemistry climate model MAECHAM4-CHEM, longterm simulations for near past, present and near future (part 2) | Bruehl, Christoph; Steil, Benedikt; Manzini, Elisa | |
4a-2 North Atlantic Oscillation changes and stratospheric ozone recovery in the Northern Hemisphere in a chemistry-climate model | Schnadt, Christina; Dameris, Martin | |
4a-3 Simulation of the separate climate effects of stratospheric and tropsopheric CO2 doubling | Siegmund, Peter; Sigmond, Micheal Kelder, Hennie | |
4a-4 Column ozone and the residual circulation | Wohltmann, Ingo; Rex, Markus Eyring, Veronika | |
4b-1 PFCs and UTLS temperatures | Forster, Piers | |
4b-2 Clouds and actinic Flux - first results of INSPECTRO | Scheirer, Ronald; Mayer, Bernhard | |
4b-3 A comparison of model-simulated trends in stratospheric temperatures | Shine, Keith; Forster, Piers + lots more | |
17:30 - 18:00 | Discussion for Session 4a and 4b | |
19:00 | Dinner at the Eibsee Alm (Please bring sturdy shoes!) |
Wednesday, 19 November 2003
Session 5 - Working Groups
Chair: Chairs from Sessions 2 - 4
09:00 - 09:30 | Organisation of Working Groups | |
09:30 - 12:00 | Working Group Meetings | |
10:30 - 11:00 | Coffee | |
12:00 - 13:15 | Lunch |
Session 6 - Discussion and Conclusions
Chair: Neil Harris
13:15 - 14:30 | Reports of the rapporteurs from all working groups | |
14:30 - 16:00 | Final Discussion |