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<p class="MsoNormal"><span style="font-size:14.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:black">Dear Colleagues,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:black"><o:p>&nbsp;</o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:black">We call your attention to the following session at the Fall AGU meeting and encourage your participation.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:black"><o:p>&nbsp;</o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:black">Jim Russell and Scott Bailey<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"><o:p>&nbsp;</o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p>&nbsp;</o:p></span></p>
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<p class="MsoNormal"><span style="font-family:Consolas;color:black">________________________________________________________<o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span style="font-size:14.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:#333333">Session ID#:
</span></b><span style="font-size:14.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:#333333">3457<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span style="font-size:14.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:#333333">Session Title:&nbsp;
</span></b><span style="font-size:14.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;">Ice Layers in the Mesopause Region: Their Physics, Relationship to the Environment in Which They Form, and Response to External Forcings</span><span style="font-size:14.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span style="font-size:14.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:#333333">Session Description:<o:p></o:p></span></b></p>
<p class="MsoNormal"><span style="font-size:14.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:#333333">We are in a period of unprecedented progress in understanding the mesopause region and ice layers that form there. There have been significant advances in ground
 and space observations of the ice layers as well as temperature, water, other relevant species, and the particulates which serve as ice nucleation sites. Sophisticated multidimensional models of this region now incorporate microphysics calculations and serve
 as crucial tools in understanding the coupling between mesopause ice layers and the mesopause environment. We solicit papers discussing the microphysics of the ice layers, the composition and structure of the mesopause environment, nucleation sources and processes,
 variability in the mesospheric environment on all spatial and temporal scales and ice response to that variability, vertical and meridional coupling, and the extent and causes of long-term changes. Observational and theoretical papers are welcome.<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span style="font-size:14.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:#333333">Index Terms:</span></b><span style="font-size:14.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:#333333"><br>
0319 Cloud optics [ATMOSPHERIC COMPOSITION AND STRUCTURE] <br>
0320 Cloud physics and chemistry [ATMOSPHERIC COMPOSITION AND STRUCTURE] <br>
0340 Middle atmosphere: composition and chemistry [ATMOSPHERIC COMPOSITION AND STRUCTURE]
<br>
3334 Middle atmosphere dynamics [ATMOSPHERIC PROCESSES] <b><o:p></o:p></b></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:#333333"><o:p>&nbsp;</o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:14.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:#333333">Primary Convener: &nbsp;<o:p></o:p></span></b></p>
<p class="MsoNormal"><span style="font-size:14.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:#333333">James M Russell III</span><span style="font-size:14.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:#333333"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:#333333">Hampton University<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:#333333">Department of Atmospheric and Planetary Sciences
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:#333333">Hampton, VA, United States<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:#333333">james.russell@hamptonu.edu<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:#333333"><o:p></o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:14.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:#333333">Co-Convener: &nbsp;<o:p></o:p></span></b></p>
<p class="MsoNormal"><span style="font-size:14.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:#333333">Scott M Bailey</span><span style="font-size:14.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:#333333"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:#333333">VA Tech<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:#333333">Bradley Department of Electrical Engineering<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:#333333">Blacksburg, VA, United States<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;">scott.m.bailey@vt.edu<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:#333333"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:&quot;Helvetica&quot;,&quot;sans-serif&quot;;color:black"><o:p>&nbsp;</o:p></span></p>
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