Session 1 |
| | Recent Field Investigations of TTL |
| | Organizers: Andrew Gettelman, NCAR, Boulder, CO; Rolf Müller, Forschungszentrum Julich, Jülich Germany; Karen H. Rosenlof, NOAA/AL, Boulder, CO
Chairs: Karen H. Rosenlof, NOAA/AL, Boulder, CO; Rolf Müller, Forschungszentrum Julich, Jülich Germany
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| 9:00 AM | | Welcoming Remarks
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| 9:05 AM | 1.1 | Recent measurements of high supersaturations and thin cirrus in the tropical tropopasue layer (Invited Speaker) 
Eric Jensen, NASA/ARC, Moffett Field, CA |
| 9:25 AM | 1.2 | The high supersaturation puzzle (Invited Speaker)
Thomas Peter, ETH, Zürich, Switzerland |
| 9:45 AM | 1.3 | Water vapour at the tropical tropopause - and above
Cornelius Schiller, Forschungszentrum Julich, Jülich, Germany; and P. Konopka, G. Günther, R. Müller, F. Santos, N. Spelten, and M. Krämer |
| 10:00 AM | 1.4 | Dehydration processes in the tropical tropopause layer observed by SOWER campaigns in the western and central Pacific
Fumio Hasebe, Hokkaido University, Sapporo, Japan; and M. Shiotani, M. Fujiwara, H. Vömel, N. Nishi, S. -. Y. Ogino, Y. Inai, T. Shibata, S. Iwasaki, I. Matsui, A. Shimizu, N. Sugimoto, S. Saraspriya, N. Komala, and S. J. Oltmans |
| 10:15 AM | 1.5 | Evidence of lower stratosphere rehydration by convective overshooting of ice particles
Jean-Pierre Pommereau, Centre National de la Recherche Scientifique, Verrieres le Buisson, France; and S. Khaikin, J. Nielsen, T. Christensen, and N. Larsen |
| 10:30 AM | | Break
|
| 11:00 AM | 1.6 | Microphysical properties of subvisible cirrus
R. Paul Lawson, SPEC Inc, Boulder, CO; and B. Pilson, B. Baker, Q. Mo, E. Jensen, and P. Bui |
| 11:15 AM | 1.7 | HIRDLS and CALIPSO observations of cirrus near the tropopause
Steve Massie, NCAR, Boulder, CO; and J. Gille, J. Barnett, and C. Craig |
| 11:30 AM | 1.8 | Comparison of in situ and satellite measurements of cirrus microphysical and radiative properties
Sean M. Davis, University of Colorado at Boulder, Boulder, CO; and B. H. Kahn, Q. Yue, K. G. Meyer, Z. Zhang, K. S. Schmidt, and L. M. Avallone |
| 11:45 AM | 1.9 | Results from Aura MLS and the in situ hygrometers during the Costa Rica AVE campaign on the annual cycles of tropical UTLS H2O and CO
William G. Read, JPL, Pasadena, CA; and A. Lambert, H. Su, J. Jiang, D. L. Wu, and N. J. Livesey |
| 12:00 PM | 1.10 | A climatology of rossby and gravity wave influences in the tropical upper troposphere and lower stratosphere based on SHADOZ (Southern Hemisphere Additional Ozonesondes) Soundings, 1998-2006
Amber L. Loucks, Penn State Univ., University Park, PA; and A. M. Thompson, S. Lee, S. K. Miller, D. M. Shelow, and J. C. Witte |
| 12:15 PM | 1.11 | Towards a synthesis definition of the TTL
Philip W. Mote, Northwest Research Associates, Bellevue, WA; and S. Fueglistaler, A. E. Dessler, T. J. Dunkerton, I. A. Folkins, and Q. Fu |