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Oral Programme AS1.12

AS1.12

Dynamics and chemistry of the upper troposphere and stratosphere: observations and models
Conveners: Peter Braesicke , Peter Hoor 
Co-Conveners: Thomas Birner , Harald Boenisch , Ulrike Langematz , Johannes Laube , Cornelius Schiller 
Session details
Oral Programme
 / Tue, 05 Apr, 08:30–12:00 / 13:30–15:00 / Room 14
Poster Programme
 / Attendance Tue, 05 Apr, 17:30–19:00 / Display Tue, 05 Apr, 08:00–19:30 / Halls X/Y
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Tuesday, 05 Apr 2011
Room 14
Chairperson: Harald Boenisch
08:30–09:00
EGU2011-3673
An integral view of Extratropical Upper Troposphere / Lower Stratosphere Chemistry, Dynamics and Transport (solicited)
Andrew Gettelman, Peter Hoor, Laura Pan, William Randel, Michaela Hegglin, and Thomas Birner
09:00–09:15
EGU2011-13597
Seasonal Variation of Effective Diffusivity on Isentropic Surfaces in the UTLS and the Annual March of Stratosphere-Troposphere Exchange of Ozone
John Gille, Svetlana Karol, Valery Yudin, Lesley Smith, Douglas Kinnison, and Bruno Nardi
09:15–09:30
EGU2011-8629
Analysis of seasonal and regional variability in double tropopause activity investigated using HIRDLS observations and re-analysis data
Tanya Phillips and John Gille
09:30–09:45
EGU2011-717
Time series of water vapor in the upper troposphere and lower stratosphere from SCIAMACHY limb measurements
Katja Weigel, Alexei Rozanov, Mark Weber, Heinrich Bovensmann, Gabriele Stiller, and John P. Burrows
09:45–10:00
EGU2011-13221
Meaning of the D/H ratio of vapor in the tropical UTLS
Maximilien Bolot, Bernard Legras, and Elisabeth Moyer
COFFEE BREAK
Chairperson: Peter Hoor
10:30–10:45
EGU2011-6107
The role of clouds and of neutral as well as ion induced pathway for the new particle formation in the tropical upper troposphere: In-situ measurements from continental South America and West Africa
Stephan Borrmann, Ralf Weigel, Jan Kazil, Andreas Minikin, Andreas Stohl, James C. Wilson, Daniel Kunkel, Marian de Reus, Wiebke Frey, and Edward R. Lovejoy and the C. Michael Volk (6), Silvia Viciani (7), Francesco Cairo (8), Kathy S. Law (9), Joachim Curtius (1,10)
10:45–11:00
EGU2011-2640 | Presentation
Impact of quasi-horizontal transport from the extratropics (in-mixing) on the seasonality of the trace gas composition in the TTL
Felix Ploeger, Paul Konopka, Stephan Fueglistaler, Rolf Müller, and Martin Riese
11:00–11:15
EGU2011-10267
The implications of TTL transport processes for trace gas delivery to the stratosphere
Robyn Schofield, Stephan Fueglistaler, Ingo Wohltmann, and Markus Rex
11:15–11:30
EGU2011-10750
Additional contributors to stratospheric ozone depletion
Johannes Laube, Paul Fraser, Carl A. M. Brenninkmeijer, Tanja J. Schuck, Michel Bolder, Thomas Röckmann, David E. Oram, and William T. Sturges
11:30–11:45
EGU2011-7629
Eight Years of Stratospheric BrO and NO2 Profiles from SCIAMACHY Compared to ECHAM5/MESSy2 Atmospheric Chemistry (EMAC) Simulations
Steffen Dörner, Sven Kühl, Janis Pukite, Patrick Jöckel, Marcel Dorf, and Thomas Wagner
11:45–12:00
EGU2011-2502
Missing stratospheric ozone depletion at Southern Hemisphere midlatitudes after Mt. Pinatubo
Christina Schnadt Poberaj, Johannes Staehelin, and Dominik Brunner
LUNCH BREAK
Chairperson: Peter Braesicke
13:30–13:45
EGU2011-611 | Presentation
The evolution of stratospheric ozone in sensitivity studies with the Chemistry-Climate-Model EMAC-FUB
Stefanie Meul, Sophie Oberländer, Ulrike Langematz, and Volker Grewe
13:45–14:00
EGU2011-11585
Attribution of modelled column ozone trends to chemistry and dynamics: Signs of recovery?
Gregor Kiesewetter, Bjoern-Martin Sinnhuber, Mark Weber, and John P. Burrows
14:00–14:15 EGU2011-9604
A Stratospheric Ozone Climatology From Global Ozone Soundings and Trajectory Statistics (withdrawn)
Jane Liu, David Tarasick, Vitali Fioletov, Chris McLinden, Guiping Liu, Christopher Sioris, Huixia He, and Jinjian Jin
14:15–14:30
EGU2011-8436
A comparison of spatial patterns in mean and extreme values of total ozone at mid-latitudes and the relationship to atmospheric dynamics and chemistry
Harald Rieder, Linda Frossard, Johannes Staehelin, Mathieu Ribatet, Stefania Di Rocco, Jörg A. Maeder, Thomas Peter, Anthony C. Davison, Philipp Weihs, and Franz Holawe
14:30–14:45
EGU2011-7102
Zonal asymmetries in atmospheric transport and their effects on stratospheric ozone and water vapor
Deniz Demirhan Bari, Axel Gabriel, and Dieter H.W. Peters
14:45–15:00
EGU2011-6438
Modeling the 11-year Solar Signal in the Troposphere
Anne Kubin, Janna Abalichin, Kleareti Tourpali, Ulrike Langematz, and Patrick Jöckel