CEDAR email: AGU session SA011 - Interhemispheric asymmetries (IHA) and impact on the global ionosphere-thermosphere system

[Astrid Maute]

Dear Colleagues,

We invite you to submit abstracts to the AGU session "SA011 - Interhemispheric asymmetries (IHA) and impact on the global ionosphere-thermosphere system" at the 2023 AGU Fall Meeting (San Francisco, CA 11-15 December 2023). More info below.

Session Description: The ionosphere-thermosphere (IT) is hardly ever a mirror image of the other hemisphere even when considering differences due to season and Earth's magnetic field. Among others, neutral density and plasma distribution, exhibit interhemispheric asymmetries (IHA) on temporal scales from hours to seasonal. Forcing from both magnetosphere-ionosphere (MI) coupling and lower atmosphere can contribute to IHA but it is still not well understood. The effect of the strong high latitude energy deposition on the IT system can be modulated by the background atmospheric state which is strongly affected by the vertical coupling to the lower atmosphere. Meanwhile, during meteorological disturbed conditions, strong variations in the wave spectrum and the background conditions lead to significant changes in the mesosphere-lower thermosphere (MLT) and IT system.  In this workshop we solicit studies based on observations and/or models to improve our understanding of the generation (from both above and below) and impacts of IHA.

Abstracts submission link: https://agu.confex.com/agu/fm23/prelim.cgi/Session/189881
The submission deadline is August 2nd, 2023 (2359 EDT).

Conveners:
Yue Deng, Lynn Harvey, Astrid Maute, Guiping Liu, Dan Welling

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