Session 3C Upper Tropospheric and Stratospheric Processes (Chemical, Radiative and Dynamical) III

Monday, 13 January 2025: 1:45 PM-3:00 PM
226 (New Orleans Ernest N. Morial Convention Center)
Host: 27th Conference on Atmospheric Chemistry
Cochairs:
Karen H. Rosenlof; Qing Liang, National Center for Atmospheric Research, Boulder, CO; Christopher Maloney and Thomas F. Hanisco, GSFC, Atmospheric Chemistry and Dynamics Laboratory, Greenbelt, MD

This session invites studies addressing upper tropospheric and stratospheric composition and interactions with chemistry, dynamics and climate. Of particular interest are studies examining stratospheric ozone changes associated with controls imposed by the Montreal Protocol, those examining upper troposphere/lower stratosphere composition using measurements from recent field campaigns, and studies on chemical and dynamical perturbations on the upper troposphere and stratosphere due to episodic events such as large pyro-cumulonimbus events and volcanic eruptions that reach the stratosphere as well as perturbations caused by the space launch industry. Reports on recent stratospheric aircraft campaigns addressing upper troposphere and stratosphere processes are welcome. Additional topics that would be applicable for this session are: 1) trends and variability in stratospheric composition; 2) the effects of increasing greenhouse gases on ozone recovery; 3) the relation between stratospheric composition and surface climate; 4) stratospheric aerosol-ozone-climate interactions associated with geo-engineering schemes. Observational and modeling studies ranging from local to global spatial scales and seasonal to centennial time scales are welcome.

Papers:
1:45 PM
3C.1
Assessing and Reducing Uncertainties in Stratospheric Processes Relevant to Stratospheric Aerosol Injections (SAI): what have we learned with climate modeling so far? (Invited Presentation)
Daniele Visioni, Cornell Univ., Ithaca, NY; and E. M. Bednarz, I. Quaglia, and D. MacMartin

2:00 PM
3C.2
Antarctic Polar Stratospheric Cloud Composition As Observed By ACE, CALIPSO and MIPAS
Leo Lavy, Old Dominion University, Norfolk, VA; and P. Bernath, M. Lecours, and D. English

2:15 PM
3C.3
The Record High March and Summer 2024 Arctic Total Column Ozone
Paul A. Newman, NASA Goddard Space Flight Center, Bowie, MD; and L. Lait, N. A. Kramarova, L. Coy, S. Frith, L. Oman, and S. Dhomse

2:30 PM
3C.4
The STRIVE Earth System Explorer Mission Concept (Invited Presentation)
Lyatt Jaegle, University of Washington, SEATTLE, WA; and J. Wang, L. Oman, M. Deland, M. J. Alexander, P. Cameron-Smith, P. R. Colarco, Q. Fu, A. Gettelman, J. Gille, T. F. Hanisco, L. Harvey, D. Kim, P. A. Newman, C. Orbe, R. M. Stauffer, K. Strong, G. Taha, Q. Tang, A. J. Turner, K. Wargan, and H. Worden

2:45 PM
3C.5
Stratosphere Troposphere Response using Infrared Vertically-resolved light Explorer (STRIVE) Mission Concept – Taking the Pulse of the UTLS (Invited Presentation)
Luke Oman, GSFC, GREENBELT, MD; and L. Jaegle, J. Wang, T. F. Hanisco, M. Deland, M. J. Alexander, P. R. Colarco, Q. Fu, A. Gettelman, J. Gille, V. L. Harvey, D. Kim, P. A. Newman, C. Orbe, P. Cameron-Smith, R. M. Stauffer, K. Strong, G. Taha, Q. Tang, A. J. Turner, K. Wargan, and H. Worden

Recorded Presentation
- Indicates paper has been withdrawn from meeting
- Indicates an Award Winner
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