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Orals AS1.19

AS1.19

Dynamics and chemistry of the upper troposphere and stratosphere: observations and models
Conveners: Peter Braesicke , Peter Hoor  | Co-Conveners: Harald Boenisch , Thomas Birner , Ulrike Langematz , Johannes Laube 
Orals
 / Tue, 14 Apr, 13:30–17:00
 / Wed, 15 Apr, 08:30–10:00
Posters
 / Attendance Tue, 14 Apr, 17:30–19:00

Tuesday, 14 April 2015
Room B10
Chairperson: Peter Braesicke
13:30–14:00
EGU2015-11459
Convective Transport of Trace Gases in the Maritime Continent (solicited)
Neil Harris and the CAST team
14:00–14:15
EGU2015-11394 | presentation
Ozonesonde and aircraft measurements in the tropical West Pacific from the CAST field campaign
Richard Newton, Geraint Vaughan, and Hugo Ricketts
14:15–14:30
EGU2015-6921
Transport of Antarctic stratospheric strongly dehydrated air into the troposphere observed during the HALO-ESMVal mission 2012
Christian Rolf, Armin Afchine, Heiko Bozem, Bernhard Buchholz, Volker Ebert, Tobias Guggenmoser, Peter Hoor, Paul Konopka, Erik Kretschmer, Stefan Müller, Hans Schlager, Nicole Spelten, Olga Suminska-Ebersoldt, Jörn Ungermann, Andreas Zahn, and Martina Krämer
14:30–14:45
EGU2015-11127
Inorganic bromine and iodine in the TTL and in the mid-latitude lower stratosphere
Rainer Volkamer, Eric Apel, Elliot Atlas, Dene Bowdalo, Jim Bresch, Barbara Dix, Ed Eloranta, Matthew Evans, Ru-Shan Gao, Daniel Jacob, Doug Kinnison, Theodore Koenig, Jean-Francois Lamarque, Bruce Morley, Brad Pierce, Alfonso Saiz-Lopez, Ross Salawitch, Johan Schmidt, and Siyuan Wang and the TORERO & CONTRAST science teams
14:45–15:00
EGU2015-12637
Modeling the formation of tropical rings of atomic bromine and iodine
Alfonso Saiz-Lopez, Rafael Fernandez, Juan Carlos Gomez Martin, Ross Salawitch, Douglas Kinnison, Jean-Francois Lamarque, and Simone Tilmes
Coffee Break
15:30–15:45
EGU2015-11891
Have we underestimated the role of short-lived chlorine compounds in ozone depletion?
David Oram, Johannes Laube, Bill Sturges, Lauren Gooch, Emma Leedham, Matthew Ashfold, John Pyle, Azizan Abu Samah, Siew Moi Phang, Chang-Feng Ou-Yang, Neng-Huei Lin, Jia-Lin Wang, and Carl Brenninkmeijer
15:45–16:00
EGU2015-4721
What drives the Brewer-Dobson Circulation?
Edwin Gerber and Naftali Cohen
16:00–16:15
EGU2015-9716
The advective Brewer-Dobson circulation in three reanalyses (1979-2012)
Marta Abalos, Bernard Legras, Felix Ploeger, and William Randel
16:15–16:30
EGU2015-7029
Quantifying the effects of mixing and residual circulation on trends of stratospheric mean age of air
Felix Ploeger, Marta Abalos, Thomas Birner, Paul Konopka, Bernard Legras, Rolf Müller, and Martin Riese
16:30–16:45
EGU2015-10800
Contributions of different boundary layer sources in Asia to the Asian monsoon anticyclone and associated transport pathways to the lowermost stratosphere over northern Europe in 2012
Bärbel Vogel, Gebhard Günther, Rolf Müller, Jens-Uwe Grooß, Heiko Bozem, Peter Hoor, Martina Krämer, Stefan Müller, Andreas Zahn, and Martin Riese
16:45–17:00
EGU2015-13314
Transport across the tropical tropopause layer and convection
Ann-Sophie Tissier, Bernard Legras, and Alexandra Tzella

Wednesday, 15 April 2015
Room B10
Chairperson: Johannes Laube
08:30–08:45
EGU2015-847
Synoptic-Scale Behavior of the Extratropical Tropopause Inversion Layer
Robin Pilch Kedzierski, Katja Matthes, and Karl Bumke
08:45–09:00
EGU2015-10818
15 years of upper tropospheric relative humidity in-situ measurements by the MOZAIC programme
Patrick Neis, Herman G.J. Smit, Lukas Alteköster, Susanne Rohs, Andreas Wahner, Peter Spichtinger, and Andreas Petzold
09:00–09:15
EGU2015-1415
Impact of Stratospheric Major Warmings and the Quasi Biennial Oscillation on Variability of Statospheric Water Vapor
Mengchu Tao, Paul Konopka, Felix Ploeger, Martin Riese, C. Michael Volk, and Rolf Müller
09:15–09:30
EGU2015-14795
The millennium water vapour drop in the stratosphere in chemistry-climate model simulations
Sabine Brinkop, Martin Dameris, Patrick Joeckel, Hella Garny, Stefan Lossow, and Gabriele Stiller
09:30–09:45
EGU2015-11274
Can we use the ozone response in a CCM to say which solar spectral irradiance is most likely correct?
William Ball, Eugene Rozanov, and Anna Shapiro
09:45–10:00
EGU2015-11748
Revisiting the radiative vertical velocity paradigm in the TTL
Maximilien Bolot and Elisabeth Moyer