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<p class="MsoNormal"><span style="font-size:11.0pt">Topic: Understanding middle and subauroral ionospheric variability and storm science through long-duration and short-term observational campaigns<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Time: Monday 16:00-18:00<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Room: westcoast<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">The ionosphere and thermosphere at middle and subauroral latitudes serve as a compelling platform to investigate significant coupling processes involving chemistry, dynamics, and electrodynamics under the
influences of space and terrestrial weather. Aeronomy research in middle and subauroral latitudes encompasses a wide range of CEDAR research areas. The following perspectives are of particular interest:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">(1) Ionosphere-thermosphere climatology: an array of known anomalies exist in association with the seasonality, temporal evolution, geomagnetic configuration, and regional characteristics of the upper atmosphere.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">(2) Short-term variability: perturbations caused by wave and impulsive forcing from the lower atmosphere to Earth's surface, by transient solar-terrestrial processes (such as solar flares and eclipses), as
well as those not immediately known, form a comprehensive opportunity to investigate short-term ionospheric variability associated with day-to-day variability, atmospheric waves, traveling ionospheric disturbances, sporadic E, descending layers, and irregularities.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">(3) Geospace storm perspective: Geospace regions serve as the interface region and pathway that connects the high-latitude energy deposition and low-latitude stops. Storm time disturbance winds, compositions,
and electrodynamics have fundamental influences on the I-T system. Beyond this, unique M-I-T coupling processes exist at mid-latitudes: substantial subauroral electrodynamics (SAPS), density gradient structures (SED, midlatitude main trough, etc), and optical
anomalies (SAR arc and STEVE).<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">This session invites researchers to engage in discussions on middle and subauroral latitude science, exploring the diverse perspectives mentioned earlier. Presentations can focus on periods of observational
campaigns coordinated regionally or globally for variability or storm studies. Presentations are also sought to showcase recent research and advancements in this field utilizing both observations and model simulations. Additionally, studies focusing on closely
related regions are encouraged. To foster dynamic and fruitful discussions, presenters are strongly encouraged to limit their presentations to 6-7 slides.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Convenors --<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Shun-Rong Zhang<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Phil Erickson<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Wenbin Wang<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Bharat Kunduri<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;mso-ligatures:none">--- <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri",sans-serif;mso-ligatures:none">Shun-Rong Zhang (he/him), PhD
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri",sans-serif;mso-ligatures:none">MIT Haystack Observatory
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri",sans-serif;mso-ligatures:none">99 Millstone Rd, Westford, MA 01886, US<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri",sans-serif;mso-ligatures:none">http://srz.mit.edu | shunrong@mit.edu<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri",sans-serif;color:#494A4C;mso-ligatures:none">https://orcid.org/0000-0002-1946-3166</span><span style="font-size:10.0pt;font-family:"Calibri",sans-serif;mso-ligatures:none"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri",sans-serif;mso-ligatures:none">Phone: 617-715-5725<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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