Nordita, Stockholm, Sweden
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Slides from talks
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Magnetic helicity is a conserved quantity in ideal MHD and is also a topological invariant. Due to these properties, it plays special roles for the operation of the global solar dynamo, and in the release of solar eruptive events, but both of these related processes remain poorly understood. On both themes, theoretical models would benefit from being validated and constrained with observational data, and the increasing amounts of observational data could be more efficiently used as basis to improve the models. The abundant observational data pouring in from various sources poses its own challenges and sometimes cross-calibrations are lacking. This program will bring together solar observers and dynamo theorists to work on these topics. We aim to obtain crucial new knowledge on the operation of the global solar dynamo itself, but also how it drives eruptive events which then are observed as space weather.
The work schedule will begin with a 5-day workshop with the remaining three weeks of the program consisting of topical discussion sessions, seminars, and team work on issues raised during the event. Short-term participants will attend the workshop only, while a smaller number of long-term participants will have opportunity to stay for the entire duration of the program. Topics for discussions and seminars include: