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<p><span style="font-size:12.0pt;color:#0E101A">Please could you circulate this message to the CEDAR email list? Thanks!<o:p></o:p></span></p>
<p><span style="font-size:12.0pt;color:#0E101A"><o:p> </o:p></span></p>
<p><span style="font-size:12.0pt;color:#0E101A">Dear Colleagues,</span><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
<p><span style="font-size:12.0pt;color:#0E101A"> </span><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
<p><span style="font-size:12.0pt;color:#0E101A">We would like to invite you to consider submitting an abstract to session
<b>ST3.3 The multi-scale ionosphere and its drivers</b> to be held at the EGU General Assembly between 23-28 April 2023 in Vienna, Austria.</span><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
<p><span style="font-size:12.0pt;color:#0E101A"> </span><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
<p><b><span style="font-size:12.0pt;color:#0E101A">Abstract submission is at: </span>
</b><span style="font-size:12.0pt;color:black"><a href="https://meetingorganizer.copernicus.org/EGU23/abstractsubmission/46346" target="_blank"><span style="color:#0563C1">https://meetingorganizer.copernicus.org/EGU23/abstractsubmission/46346</span></a></span><span style="font-size:12.0pt;color:#0E101A">
and the deadline is 13:00 CET on Tuesday 10<sup>th</sup> January 2023.</span><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
<p><span style="font-size:12.0pt;color:#0E101A"> </span><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
<p><b><span style="font-size:12.0pt;color:#0E101A">ST3.3 The multi-scale ionosphere and its drivers</span></b><u><span style="font-size:12.0pt;color:#0E101A">
</span></u><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
<p><i><span style="font-size:12.0pt;color:#0E101A">The ionosphere is a highly complex plasma containing electron density structures spanning a wide range of spatial and temporal scales. Large scale structures with horizontal extents of tens to hundreds of km
exhibit variation with time of day, season, solar cycle, geomagnetic activity, solar wind conditions and location. Smaller scale structures can be seeded from these larger scale structures or can be driven directly. Collectively, these structures can be driven
from above, enabling discoveries about the coupling of the near-space environment to the Earth’s atmosphere. They can also be driven from below, enabling discoveries about vertical coupling within the atmosphere. The ionosphere is heavily influenced by neutral
atmosphere in which it is embedded. The thermosphere can influence the ionosphere, and observations of the ionosphere can be used to infer properties of the thermosphere. We invite studies of the ionosphere and its drivers at any temporal or spatial scale.
Contributions which span or compare multiple scale sizes are particularly welcome.</span></i><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
<p><span style="font-size:12.0pt;color:#0E101A"> </span><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
<p><span style="font-size:12.0pt;color:#0E101A">Thank you very much for your attention and we hope that you can join us in Vienna!</span><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
<p><span style="font-size:12.0pt;color:#0E101A"> </span><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
<p><span style="font-size:12.0pt;color:#0E101A">Best regards,</span><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
<p><span style="font-size:12.0pt;color:black"> <o:p></o:p></span></p>
<p><span style="font-size:12.0pt;color:#0E101A">Alan Wood, Luca Spogli, Jaroslav Urbáø, Yaqi Jin and Elizabeth Donegan-Lawley</span><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
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