CEDAR email: TESS 2022 Topical Session "Universality of mesoscale processes in space and solar physics"

[Merkin, Viacheslav G.]

Dear colleagues,

Please, consider submitting an abstract to the TESS 2022 topical session "Universality of mesoscale processes in space and solar physics". The abstract deadline is Friday, April 2022, 2022. Please, visit the meeting website for abstract submission: https://aas.org/meetings/tess2022.

The Triennial Earth-Sun Summit (TESS) is a joint meeting of the AAS Solar Physics Division and the Space Physics and Aeronomy Section of the American Geophysical Union (AGU). The meeting will take place during 8 – 12 AUGUST 2022 in BELLEVUE/SEATTLE, WA.

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Session conveners:

Slava Merkin (JHU APL)
Nicholeen Viall-Kepko (NASA GSFC)
Katharine Reeves (Harvard CFA)
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Session description:

Mesoscale processes in various space plasma systems are increasingly recognized as a key element affecting dynamics at both global and micro-scales, and mediating cross-scale coupling. Terrestrial ionosphere and magnetosphere, planetary magnetospheres, solar wind and solar corona, all exhibit dynamical processes that occur at scales significantly smaller than the system size but larger than (although often overlapping with) kinetic scales, which we refer to as mesoscales. Often, but not always, such mesoscale processes are associated with magnetic reconnection. Examples include bursty bulk flows and dipolarization fronts in the magnetotail, flux-transfer events at the magnetopause, supra-arcade downflows in the corona or plasma blobs in the heliospheric current sheets, as well as Kelvin-Helmholtz vortices at planetary magnetospheres’ boundaries or in the solar corona, hot flow anomalies or foreshock bubbles upstream of the Earth’s magnetosphere, or plasma patches in the polar ionosphere. The importance of mesoscales processes stems from their ability to accumulate energy leading to emergent global system responses, but also from their importance in cascading energy from global to micro-scales where it dissipates. A unifying theme in the study of mesoscale phenomena is that they are equally challenging for numerical modeling and observations; by definition, such studies must be multi-scale and capture global, meso-, and sometimes microscales. This session solicits contributions that serve to highlight mesoscale phenomena as an intrinsically important element of cross-scale interaction in space or laboratory plasma systems. Presentations resulting from numerical simulations, observations and experiment are all encouraged, including those that emphasize novel methods of dealing with the above challenges such as data assimilation and machine learning.
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Slava
[signature_1303241124]
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Viacheslav G. Merkin
Space Exploration Sector
Applied Physics Laboratory
Johns Hopkins University
Phone: (240) 228-1756
Web: cgs.jhuapl.edu<http://cgs.jhuapl.edu/>


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