CEDAR email: AOGS 2023; Call For Abstracts: (ST24) Session on Equatorial- and Low-latitude ITS Processes

[Deepak Karan]

Dear Colleagues,

We would like to invite you to submit abstracts to the “ST24. Advances in the Understanding of Equatorial and Low Latitude Ionosphere-Thermosphere System Processes Through Observations and Modeling” Session at the AOGS2023 Annual Meeting.

Session Description:
The equatorial and low latitude ionosphere-thermosphere (IT) system is governed through various dynamical processes and phenomena, such as the Equatorial Electrojet (EEJ), the Equatorial Ionization Anomaly (EIA), or the Equatorial Temperature and Wind Anomaly (ETWA). In addition, the behavior of this IT system is influenced by solar forcing from above, thermospheric winds and thus the ionospheric dynamo, penetration and disturbance dynamo electric fields during geomagnetic storms and magnetospheric substorms, atmospheric wave activities from below, and traveling atmospheric/ionospheric disturbances (TADs/TIDs) from mid/high latitudes. These factors along with small-scale processes result in various ionospheric irregularities so-called Equatorial Plasma Bubble (EPB) and evoking radio scintillations. Further, particular background conditions, such as magnetic declination vs. terminator alignment, geomagnetic activities, or wave activity regulate their morphology and variability. Determining these conditions and understanding their interactions have challenged the research community for decades. Recently, satellite (e.g. GOLD, ICON, COSMIC, Swarm, etc.) and ground-based measurements and modeling studies (global IT-coupling models and regional high-resolution numerical models) have revealed several new and interesting features about the formation and variability of the EEJ, EIA, EPBs, and scintillations. This session solicits presentations related to space and ground-based measurements and modeling efforts that contribute to a better understanding of the equatorial- and low-latitude IT system. Studies of equatorial phenomena extending to middle and high latitudes are also welcome.

The abstract submission due date is Feb. 14, 2023.

Conveners: Deepak Kumar Karan, Yuichi Otsuka, Sumanta Sarkhel, Tulasi Ram Sudarsanam, and Endawoke Yizengaw

If you have any questions, please do not hesitate to contact us.

Sincerely,
Deepak K Karan, on behalf of the conveners
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