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<p class="MsoNormal"><span style="font-size:12.0pt">Following a last-minute reprieve from AOGS, the abstract deadline has been extended to 21 February 2023.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt">If you have not yet done so, we urge you and your colleagues to present your research at our session AS12, "Passive and Active Sensing of the Chemistry and Dynamics of the Middle and Upper Atmosphere" at the
20th AOGS in-person meeting in Singapore 30 July-4 August 2023. For details on the AOGS Meeting and abstract submission, please visit:
<a href="https://www.asiaoceania.org/aogs2023/public.asp?page=home.asp">https://www.asiaoceania.org/aogs2023/public.asp?page=home.asp</a><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt">Session Description:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt">AS12- Passive and Active Sensing of the Chemistry and Dynamics of the Middle and Upper Atmosphere<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt">The Earth's atmosphere and ionosphere above the tropopause (~10 km) maintains a balance between solar radiative and particle forcing from above, and the action of atmospheric waves rising up from below. Quantifying
how these forces drive the general circulation and waves in the atmosphere and control both the chemical balance and its temporal and spatial variability is crucial to understanding how composition, momentum, and energy couple vertically and horizontally in
the atmosphere and ionosphere. Thus, remote sensing and in-situ sampling, as well as the laboratory and modelling studies that complement and explain these observations, are the primary tools used to understand the aeronomy of this region. This session will
look at recent results from ground-based as well as in-situ and satellite-borne observations, models, and relevant laboratory studies. It will include new sensing techniques and sensors, mission concepts, models currently being planned or under development,
and the impact of their integrated results on our understanding of the stratosphere, mesosphere and ionosphere/thermosphere.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt">The meeting will be held in-person from July 30th– August 4th, 2023. Abstract submissions are open and due February 14th, 2023. For details on the AOGS Meeting and abstract submission, please visit https://www.asiaoceania.org/aogs2023/public.asp?page=home.asp<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt">We hope that you can accept our invitation to contribute a paper to our session and look forward to meeting you in Singapore at the 20th AOGS2023.
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<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt">With best regards from your session convenors, Patrick Espy, Iain Reid, and Jeng-Hwa Yee<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-size:10.0pt;font-family:"Tahoma",sans-serif;mso-fareast-language:EN-CA">--
<br>
Prof. Patrick J. Espy<br>
Department of Physics<br>
Norwegian University of<br>
Science and Technology<br>
Hoegskoleringen 5<br>
NO-7491 Trondheim<br>
Norway<br>
Phone: +47 73 55 10 95<br>
Fax: +47 73 59 77 10<br>
email: patrick.espy@ntnu.no<br>
skype: patrick.j.espy<br>
<a href="../../owa/redir.aspx?C=94b82e3e68a5431c9ec71e9a9fffd74d&URL=http%3a%2f%2fwww.ntnu.no%2ffysikk" target="_blank"><span style="color:blue">http://www.ntnu.no/fysikk</span></a></span><o:p></o:p></p>
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