Session 4A Upper Tropospheric and Stratospheric Processes (Chemical, Radiative and Dynamical) IV

Monday, 29 January 2024: 4:30 PM-6:00 PM
310 (The Baltimore Convention Center)
Host: 26th Conference on Atmospheric Chemistry
Chair:
Karen H. Rosenlof
Cochairs:
Qing Liang, National Center for Atmospheric Research, Boulder, CO; Sean M. Davis, PhD, NOAA Chemical Sciences Laboratory, Boulder Office, Boulder, CO and Thomas F. Hanisco, GSFC, Atmospheric Chemistry and Dynamics Laboratory, Greenbelt, MD

Papers:
4:30 PM
4A.1
Stratosphere-Troposphere Exchange of Air Masses and Ozone Concentrations Derived from Observations
Anna Hall, Univ. of Washington, SEATTLE, WA; and Q. Fu

4:45 PM
4A.2
Overview of the SPARC Hunga Tonga Hunga Ha’Apai Stratospheric Impacts Activity (Invited Presentation)
William Randel, NCAR, Boulder, CO; NCAR, Boulder, CO

5:00 PM
4A.3
In Situ Measurements of Perturbations to Stratospheric Aerosol and Modeled Ozone and Radiative Impacts Following the 2021 La Soufrière Eruption
Yaowei Li, MIT, Cambridge, MA; and C. Pedersen, J. A. Dykema, J. P. Vernier, S. Vattioni, A. Pandit, A. Stenke, E. Asher, T. Thornberry, M. Todt, T. P. Bui, J. Dean-Day, and F. Keutsch

5:15 PM
4A.4
Tracing the Trail of the 2022 Hunga Tonga-Hunga Ha'apai Aerosol Plume: Two Years On
Ghassan Taha, Morgan State Univ./ NASA GSFC, Greenbelt, MD; and R. Loughman, P. R. Colarco, T. Zhu, and G. Jaross

5:30 PM
4A.5
Simulation of the Microphysical Properties of Aerosol and Water Injected by the 2022 Hunga-Tonga Eruption
CHENWEI LI, Jinan University, Guangzhou, 44, China; and P. Yu, Y. Zhu, J. Xu, and J. Bian

5:45 PM
4A.6
The Estimated Climate Impact of the Hunga Tonga-Hunga Ha’apai Eruption Plume
Mark R. Schoeberl, Science and Technology Corporation, Columbia, MD; Science and Technology Corporation, Columbia, MD; and Y. Wang, R. Ueyama, A. E. Dessler, G. Taha, and W. Yu

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- Indicates paper has been withdrawn from meeting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