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Orals

UP2.5

The Sun is the main energy source for the Earth's atmosphere. Important manifestations of such external forcing from space to the atmosphere are the variations in different solar parameters such as the solar irradiance (including solar UV) and solar particle fluxes, which can induce changes in the atmosphere both at local and global scales, and can influence over a large range of altitudes. Some of these changes have the potential to affect the troposphere through atmospheric coupling processes, particularly through the stratosphere-troposphere connection, and thus have the potential to influence weather and climate.
The field of space weather has seen a rapid increase in research activity in recent years, and associated large scientific advances. It is clear that the weather and climate community can benefit from this via better representation of space weather effects and their associated impacts on the Earth’s atmosphere.

The aim of this session is to provide a framework for reviewing the state-of-the-art on these issues and to identify possible interrelationships between Earth and the Sun and space weather by assessing the level of coupling in the relevant physical systems and processes.

Contributions from the following topics (but not exclusively) are invited:
• Solar irradiance and energetic particle impacts on the atmosphere
• Upper atmospheric dynamical variability and coupling between atmospheric layers
• Solar variations and stratosphere-troposphere coupling
• Solar influence on climate variability
• Solar irradiance (spectral and total irradiance) variations

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Convener: Mauro Messerotti | Co-Conveners: David R. Jackson, Suzy Bingham, Henrik Svensmark
Orals
| Thu, 12 Sep, 10:30–12:30|Room M1
Posters
| Attendance Thu, 12 Sep, 09:30–10:30 | Display Wed, 11 Sep, 13:30–Fri, 13 Sep, 13:30|Sports Hall

Thursday, 12 September 2019 | Room M1

Chairperson: 16830
10:30–10:45 |
EMS2019-412
Nir Shaviv, Martin Andreas Bødker Enghoff, and Hernik Svensmark
Chairperson: 16830
10:45–11:00 |
EMS2019-935
Therese Moretto Jorgensen
Chairperson: 16830
11:00–11:15 |
EMS2019-616
Raisa Leussu and Daniel Martini
Chairperson: 16830
11:15–11:30
Chairperson: 16830
11:30–11:45 |
EMS2019-762
Kalevi Mursula, Timo Asikainen, Ville Maliniemi, and Antti Salminen
Chairperson: 16830
Chairperson: 16830
12:00–12:15 |
EMS2019-292
Martin Bødker Enghoff, Nir Joseph Shaviv, Jacob Svensmark, and Henrik Svensmark
Chairperson: 16830
12:15–12:30 |
EMS2019-168
Yuhji Kuroda, Kunihiko Kodera, Kohei Yoshida, Seiji Yukimoto, and Lesley Gray

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