15th Conference on Middle Atmosphere
    

Session 2

 Upper Troposphere/Lower Stratosphere II
 Organizer: Linnea M. Avallone, University of Colorado, Boulder, CO
Chair: Ellis Remsberg, NASA Langley Research Center, Hampton, VA
10:20 AM2.1Simulation of the atmospheric tape recorder signal in HCN   wrf recording
Robert Walter, Forschungszentrum Jülich, Juelich, Germany; and R. Müller, P. Konopka, G. Günther, J. Grooß, A. Heil, M. Schultz, M. Riese, and H. C. Pumphrey
10:40 AM2.2Potential vorticity as a barrier to exchange between the upper troposphere and lowermost stratosphere  
John C. Gille, University of Colorado and NCAR, Boulder, CO; and S. Karol, V. Yudin, D. Kinnison, and B. Nardi
11:00 AM2.3Clouds and water vapor at the tropical tropopause  
Leonhard Pfister, NASA/Ames Research Center, Moffett Field, CA; and E. J. Jensen
11:20 AM2.4Seasonal to long-term variations of water vapor in the tropical lower stratosphere observed with balloon-borne hygrometers   wrf recording
Masatomo Fujiwara, Hokkaido University, Sapporo, Hokkaido, Japan; and F. Hasebe, M. Shiotani, H. Vömel, S. -. Y. Ogino, S. Iwasaki, N. Nishi, T. Shibata, K. Shimizu, J. Valverde-Canossa, H. B. Selkirk, and S. J. Oltmans
11:40 AM2.5Hirdls and Calipso observations of tropical cirrus  
Steve Massie, NCAR, Boulder, CO; and J. Gille, C. Craig, R. Khosravi, J. Barnett, and D. M. Winker
12:00 PM2.6Observations of trace gases during CARIBIC flights   wrf recording
Angela K. Baker, Max Planck Institute for Chemistry, Mainz, Germany; and C. A. M. Brenninkmeijer, D. E. Oram, D. A. O'Sullivan, T. J. Schuck, and F. Slemr

Monday, 8 June 2009: 10:20 AM-12:20 PM, Pinnacle A

* - Indicates paper has been withdrawn from meeting

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