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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>Dear Colleagues,</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'> <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>We are writing to invite you to consider submitting an abstract to the ST3.6 session (hybrid)<span class=apple-converted-space> </span><b>Vertical Coupling in the Atmosphere-Ionosphere System</b>, in the upcoming EGU General Assembly 2022, April 3-8 in Vienna, Austria.</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'> </span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>Abstract submission: </span><a href="https://meetingorganizer.copernicus.org/EGU22/session/43654"><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#954F72'>https://meetingorganizer.copernicus.org/EGU22/session/43654</span></a><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>As this session is hybrid, authors will be asked to specify either "in person (Vienna)" and "virtual" in the abstract submission. The submission deadline is Wednesday,<span class=apple-converted-space> </span><b>12 January 2022, 12:00 UTC</b>.</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>We look forward to your contributions.<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>Sincerely,</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>Maosheng He, Yosuke Yamazaki, Larisa Goncharenko, Subramanian Gurubaran, Loren Chang</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'> </span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>###</span><o:p></o:p></p><p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>ST3.6 - Vertical Coupling in the Atmosphere-Ionosphere System</span></b><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>Session details: </span><o:p></o:p></p><p class=MsoNormal><i><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>The upper and middle atmosphere is subject to a combination of dynamics,</span></i><o:p></o:p></p><p class=MsoNormal><i><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>e.g., fluid-dynamic, chemical, and electrodynamical processes. These</span></i><o:p></o:p></p><p class=MsoNormal><i><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>processes drive vertical interactions among different atmospheric regions on</span></i><o:p></o:p></p><p class=MsoNormal><i><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>a broad range of spatial and temporal scales through various mechanisms,</span></i><o:p></o:p></p><p class=MsoNormal><i><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>including atmospheric circulation and waves (e.g., planetary waves, tides,</span></i><o:p></o:p></p><p class=MsoNormal><i><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>gravity waves), recurring patterns (the El Niņo–southern oscillation and the</span></i><o:p></o:p></p><p class=MsoNormal><i><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>quasi-biennial oscillation), transient phenomena (e.g., sudden stratospheric</span></i><o:p></o:p></p><p class=MsoNormal><i><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>warming), and long-term trends. The current session aims to emphasize the</span></i><o:p></o:p></p><p class=MsoNormal><i><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>recent contributions on vertical coupling within the atmosphere-ionosphere</span></i><o:p></o:p></p><p class=MsoNormal><i><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>system. We invite relevant papers on methodologies, theory, modeling,</span></i><o:p></o:p></p><p class=MsoNormal><i><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>experiment, and observations of different aspects.</span></i><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'><o:p> </o:p></span></p></div></body></html>