CEDAR email: Call for Abstracts: AGU25 Session (SA008)- Composition, Wind, and Temperature Variability in the Mesosphere and Ionosphere/Thermosphere

[Sovit Khadka]

Dear Colleagues,


We would like to invite you to submit abstracts to the 2025 AGU Fall
Meeting session (SA008) - *Composition, Wind, and Temperature Variability
in the Mesosphere and Ionosphere/Thermosphere*. The AGU25 meeting will take
place from December 15 to 19 in New Orleans, LA, USA, in a hybrid format.

          *****Session Details*****
Session Title: SA008 - Composition, Wind, and Temperature Variability in
the Mesosphere and Ionosphere/Thermosphere
Section: SPA-Aeronomy
Session Link: https://agu.confex.com/agu/agu25/prelim.cgi/Session/249523
Primary Convener: Sovit Khadka, Orion Space Solutions
Conveners: Jonathan Makela, University of Illinois Urbana-Champaign
                     Liying Qian, National Center for Atmospheric Research
                     Gunter Stober, University of Bern, Switzerland
                     Lilias Claire Gasque, University of California,
Berkeley

*Session Description:*
The composition, winds, and temperatures of Earth’s mesosphere and
ionosphere/thermosphere are determined by the complex interplay of
chemical, dynamical, and thermodynamic processes driven by forcing from
both above and below. The forcing of these regions and the many different
processes involved vary over a wide range of spatial and temporal scales,
hindering accurate determination of these fundamental parameters critical
to satellite operations and radio communications. Past and current space
missions, field campaigns, as well as theoretical and modeling advances,
have led to a new understanding of how and why the dominant drivers of
upper atmospheric composition, winds, and temperatures in these regions
change over different spatial and temporal scales. This session, therefore,
seeks to highlight various topics surrounding middle and upper atmospheric
composition, wind, and temperature measurements, their variability, and the
prominent mechanisms that drive their spatial, seasonal, and inter-annual
variability from theoretical, observational, and modeling perspectives.

We look forward to your contribution to our AGU25 session.
Please note that the abstract submission deadline is *Wednesday, 30 July
2025 at 23:59 EDT/03:59 UTC*.

Thank you.

Sincerely,
*The Conveners Team:* Sovit Khadka, Jonathan Makela, Liying Qian, Gunter
Stober, Lilias Claire Gasque
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