<div dir="ltr"><div><p class="MsoNormal" style="margin:0cm;font-size:12pt;font-family:Calibri,sans-serif"><span style="font-size:10.5pt;font-family:Arial,sans-serif;color:rgb(38,38,38);background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial">Dear Colleagues,</span></p><p class="MsoNormal" style="margin:0cm;font-size:12pt;font-family:Calibri,sans-serif"><span style="font-size:10.5pt;font-family:Arial,sans-serif;color:rgb(38,38,38);background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial"> </span></p><p class="MsoNormal" style="margin:0cm;font-size:12pt;font-family:Calibri,sans-serif"><span style="font-size:10.5pt;font-family:Arial,sans-serif;color:rgb(38,38,38);background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial">We invite you to submit contributions to the
ring current session at the 2023 AGU Fall Meeting (San Francisco, CA 11-15
December 2023).  Abstracts submission
link is here: <a href="https://agu.confex.com/agu/fm23/prelim.cgi/Session/183910">https://agu.confex.com/agu/fm23/prelim.cgi/Session/183910</a></span><span style="font-size:10.5pt;font-family:SimSun;color:rgb(38,38,38);background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial">. </span></p><p class="MsoNormal" style="margin:0cm;font-size:12pt;font-family:Calibri,sans-serif">





</p><p class="MsoNormal" style="margin:0cm;font-size:12pt;font-family:Calibri,sans-serif"><span style="font-size:10.5pt;font-family:Arial,sans-serif;color:rgb(38,38,38);background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial">The submission deadline is <b>August 2nd. </b> </span></p><p class="MsoNormal" style="margin:0cm;font-size:12pt;font-family:Calibri,sans-serif"><b><span style="font-size:10.5pt;font-family:Arial,sans-serif;color:rgb(38,38,38);background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial"><br></span></b></p><p class="MsoNormal" style="margin:0cm;font-size:12pt;font-family:Calibri,sans-serif"><b><span style="font-size:10.5pt;font-family:Arial,sans-serif;color:rgb(38,38,38);background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial"><br></span></b></p><p class="MsoNormal" style="margin:0cm;font-size:12pt;font-family:Calibri,sans-serif"><b><span style="font-size:10.5pt;font-family:Arial,sans-serif;color:rgb(38,38,38);background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial">SM021. Ring Current Dynamics and Its Coupling with Other Particle Populations</span><u></u><u></u></b></p><p class="MsoNormal" style="margin:0cm;font-size:12pt;font-family:Calibri,sans-serif"><span style="font-size:10.5pt;font-family:Arial,sans-serif;color:rgb(38,38,38);background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial"> <u></u><u></u></span></p><p class="MsoNormal" style="margin:0cm;font-size:12pt;font-family:Calibri,sans-serif;text-align:justify"><span style="font-size:10.5pt;font-family:Arial,sans-serif;color:rgb(38,38,38);background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial">The terrestrial ring current is comprised of ions and electrons ranging from ~1 keV to several hundred keV and plays an important role in regulating the energy density and magnetic field configuration of the magnetosphere. Abrupt changes in this ion population are responsible for global decreases in the Earth's surface magnetic field, known as geomagnetic storms. The storm-time ring current is thus linked to harmful space weather effects, which have motivated the study of its formation, dynamics, decay, and coupling with other particle populations. The instability of ring current plasma provides free energy for various waves, which can heat or pitch-angle-scatter various other plasma populations and result in plasma energization or loss via precipitation. We invite presentations of theoretical studies, numerical modeling and observations on research progress of the ring current dynamics, wave-particle interactions, and the coupling between ring current system and particle populations in other regimes.<u></u><u></u></span></p><p class="MsoNormal" style="margin:0cm;font-size:12pt;font-family:Calibri,sans-serif;text-align:justify"><span style="font-size:10.5pt;font-family:Arial,sans-serif;color:rgb(38,38,38);background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial"><u></u> <u></u></span></p><p class="MsoNormal" style="margin:0cm;font-size:12pt;font-family:Calibri,sans-serif"><span style="font-size:10.5pt;font-family:Arial,sans-serif;color:rgb(38,38,38);background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial">Conveners: Chao Yue, Cristian Ferradas, Jacob Bortnik, Qianli Ma,</span> <span style="font-size:10.5pt;font-family:Arial,sans-serif;color:rgb(38,38,38);background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial">Man Hua</span></p></div><div><br></div><div><br></div><br><img width="0" height="0" class="mailtrack-img" alt="" style="display:flex" src="https://mailtrack.io/trace/mail/d3fba661e4fda1869722fcd7762b11ee85e81018.png?u=403961"></div>