<html><head></head><body><div class="ydpf67945a6yahoo-style-wrap" style="font-family:times new roman, new york, times, serif;font-size:16px;"><div dir="ltr" data-setdir="false"><div><p class="ydpa5864bf0MsoNormal"><span style="font-family:Times New Roman,serif">Dear
Colleagues,</span></p>
<p class="ydpa5864bf0MsoNormal" style="text-align:justify;text-justify:inter-ideograph"><span style="font-family:Times New Roman,serif">We cordially invite abstracts to the
session ST-09 entitled “Space Weather in the Sun-Earth System” at 21<sup>st</sup>
AOGS 2024 meeting in Pyeongchang, Gangwon-do, South Korea during 23-28
June 2024. Abstract submission deadline is on 2 January 2024.</span></p>
<div><span style="font-family:Times New Roman,serif">Session description:</span></div>
<p class="ydpa5864bf0MsoNormal" style="text-align:justify;text-justify:inter-ideograph"><font face="Times New Roman, serif">The space climate in the Sun-Earth
system can be considered as the expected average behavior of the solar wind
and IMF, geomagnetic field, ionosphere, thermosphere and geomagnetically
induced current (GIC). Space weather is the unexpected short-term changes in
the above phenomena. Space weather originates from the Sun as solar eruptions
(coronal mass ejections – CMEs, and flares) and coronal holes. CMEs while
flowing through the interplanetary space become interplanetary CMEs (or ICMEs),
producing large changes in the interplanetary space such as shocks and solar
energetic particle (SEP) events. The fast solar wind originating from coronal
holes interact with the slow wind ahead, forming corotating interaction regions
(CIRs).</font><span style="font-family: Times New Roman, serif;"> </span><font face="Times New Roman, serif">The interaction of the ICMEs and
CIRs with the Earth’s magnetosphere through magnetic reconnection leads to
wave-particle interactions, intense radiation belts, large currents in the
magnetosphere and ionosphere, geomagnetic storms/activities, intense auroras,
ionosphere-thermosphere storms, large geomagnetically induced currents (GICs),
etc. Sometimes space weather becomes severe resulting in extensive societal and
economic disturbances in the high-tech society by damaging satellite systems,
electric power grids, rail-way traffic systems, oil and gas metal pipelines,
etc. For example, if a space weather event similar to the 1859 Carrington event
occurs at the present time, it can cause damages costing up to (estimated) 1-2
trillion US Dollars. </font><span style="font-family: Times New Roman, serif;">This session invites contributions
on all aspects of space weather studies using ground- and space-based
observations, theory and modelling.</span><span style="font-family: Times New Roman, serif;"> </span></p>
<div style="text-align:justify;text-justify:inter-ideograph"><span style="font-family:Times New Roman,serif">Please feel free to contact us at manuvarghese@mail.sdu.edu.cn,
if you have any questions. </span></div><div style="text-align:justify;text-justify:inter-ideograph"><span style="font-family:Times New Roman,serif"><br></span></div>
<div style="text-align:justify;text-justify:inter-ideograph"><span style="font-family:Times New Roman,serif">Conveners: V. Manu, N. Balan, Zhang
Qinghe, Nat Gopalswamy, Maxim Klimenko</span></div></div><div style="text-align:justify;text-justify:inter-ideograph"><span style="font-family:Times New Roman,serif"><br></span></div><div style="text-align:justify;text-justify:inter-ideograph"><span style="font-family:Times New Roman,serif">---------------------------------------------------------------------------------------------------------------------</span></div><div style="text-align:justify;text-justify:inter-ideograph"><span style="font-family:Times New Roman,serif"><br></span></div><div style="text-align:justify;text-justify:inter-ideograph" dir="ltr" data-setdir="false"><span style="font-family:Times New Roman,serif">Manu Varghese, PhD</span></div><div style="text-align:justify;text-justify:inter-ideograph" dir="ltr" data-setdir="false">Institute of Space Sciences,</div><div style="text-align:justify;text-justify:inter-ideograph" dir="ltr" data-setdir="false">Shandong University,</div><div style="text-align:justify;text-justify:inter-ideograph" dir="ltr" data-setdir="false">Weihai, China.</div><br></div></div></body></html>