Session 2 |
| | Chemistry and Dynamics of the Extratropical UTLS |
| | Chairs: Lorenzo Polvani, Columbia University, New York, NY; Laura Pan, NCAR, Boulder, CO
|
| 1:50 PM | 2.1 | Studies of the extratropical upper troposphere and lower stratosphere using new trace gas measurements from Aura MLS (Invited Speaker)
Michelle L. Santee, JPL, Pasadena, CA; and G. L. Manney, N. J. Livesey, W. G. Read, and Q. Li |
| 2:15 PM | 2.2 | Quantifying the trans-Pacific transport of Asian pollution in the upper troposphere with Aura-MLS observations
N. J. Livesey, JPL, Pasadena, CA; and Q. Li, J. Jiang, M. Santee, and J. Waters |
| 2:30 PM | 2.3 | Investigations of relative humidity in the upper troposphere with ACE and OSIRIS
W.F.J. Evans, North West Research Associates, Bellevue, WA; and A. E. Bourassa and R. Hughes |
| 2:45 PM | 2.4 | The extratropical tropopause transition layer (ExTL) as seen from ACE
Michaela I. Hegglin, University of Toronto, Toronto, ON, Canada; and P. F. Bernath, C. D. Boone, K. A. Walker, P. Hoor, C. Schiller, and G. L. Manney |
| 3:00 PM | | Break
|
| 3:30 PM | 2.5 | How permeable is the tropopause in the vicinity of the subtropical jet ?: Seasonal variability derived from model simulations (CLaMS) and observations (Invited Speaker) 
Paul Konopka, Forschungszentrum Julich, Jülich, Germany; and G. Günther, J. -. U. Grooß, R. Müller, C. Schiller, C. M. Volk, P. Hoor, and L. Pan |
| 3:55 PM | 2.6 | Transport and mixing of chemical airmasses in idealized baroclinic life cycles
Lorenzo M. Polvani, Columbia University, New York, NY; and G. Esler |
| 4:10 PM | 2.7 | Mixing processes at the tropical and sub-tropical tropopause layer
Ronan James, LMD, Laboratoire de Meteorologie Dynamique, Paris, France; and B. Legras |
| 4:25 PM | 2.8 | Transport characteristics of the UTLS region based on tracers with different lifetimes
Simone Tilmes, NCAR, Boulder, CO; and L. Pan, D. Kinnison, and S. Schauffler |
| 4:40 PM | 2.9 | Classification of Northern Hemisphere stratospheric ozone and water vapor profiles by meteorological regime
Melanie B. Follette, NRC/NRL, Washington, DC; and R. D. Hudson and G. E. Nedoluha |
| 4:55 PM | 2.10 | Statistical Characteristics of Mutiple Tropopause over the Eastern Asia Based on Operational Radiosonde Data
Jianchun Bian, LAGEO, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, Beijing, China |
| 5:10 PM | 2.11 | Coupling of the residual circulation and static stability in the lowermost extratropical stratosphere
Thomas Birner, University of Toronto, Toronto, ON, Canada |