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<p><span style="font-size:12.0pt">First Circular </span></p>
<p><b style="mso-bidi-font-weight:normal"><span style="font-size:12.0pt">10th International Workshop on Long-Term Changes and Trends in the Atmosphere
</span></b></p>
<p><b style="mso-bidi-font-weight:normal">(TREND-2018) </b></p>
<p> </p>
<p><font size="3">May 14-18 2018 </font></p>
<font size="3"></font>
<p><font size="3">Hefei, China </font></p>
<font size="3"></font>
<p><font size="3">(http://trends2018.ustc.edu.cn/home.html) </font></p>
<font size="3"></font>
<p><font size="3"> </font></p>
<font size="3"></font>
<p><font size="3">The 10th International Workshop on “Long-Term Changes and Trends in the Atmosphere” will be held in Hefei, China from 14 to 18 2018. The workshop themes are supported by the trends working group II.F of IAGA, ICMA, IAMAS, IUGG, VarSITI and
SCOSTEP. The workshop is hosted by University of Science and Technology of China, and the venue will be Swan Lake Hotel in Hefei.
</font></p>
<font size="3"></font>
<p><font size="3"> </font></p>
<font size="3"></font>
<p><font size="3">Workshop website </font></p>
<font size="3"></font>
<p><font size="3">http://trends2018.ustc.edu.cn/home.html</font></p>
<font size="3"></font>
<p><font size="3"> </font></p>
<font size="3"></font>
<p><font size="3">Workshop focus </font></p>
<font size="3"></font>
<p style="text-align:justify;text-justify:inter-ideograph"><font size="3">Long-term changes to Earth’s atmosphere are becoming more and more relevant to the future of our world and it is paramount that we quantify and understand changes occurring at all levels
within the coupled atmospheric system. The increasing concentration of greenhouse gases, stratospheric ozone depletion, varying solar and geomagnetic activity, secular change of Earth’s magnetic field, and changing dynamics propagating up from the troposphere
are some of the possible causes of long-term changes in the stratosphere, mesosphere, thermosphere and ionosphere. The goals of this workshop are to review the current state of knowledge about trends in these atmospheric regions, and to discuss what research
is necessary for resolving inconsistencies, reducing uncertainties, and achieving a deeper understanding of middle and upper atmospheric climate change – especially the relative influences of anthropogenic and solar effects. While the troposphere is not the
main focus of the workshop, it is clear that it has a major role to play in middle and upper atmosphere trends; papers that demonstrate this relevance are also welcome. Topics on long-term variations of the atmosphere such as QBO, ENSO, MJO are all welcomed.
</font></p>
<font size="3"></font>
<p><font size="3"> </font></p>
<font size="3"></font>
<p><font size="3">Call for abstracts </font></p>
<font size="3"></font>
<p><font size="3">A formal call for abstracts will follow later. Abstract submission will open in late 2017.
</font></p>
<font size="3"></font>
<p><font size="3"> </font></p>
<font size="3"></font>
<p><font size="3">Venue </font></p>
<font size="3"></font>
<p><font size="3">The workshop will be hosted at Swan Lake Hotel in Hefei, walking distance from University of Science and Technology in China.
<span class="tgc"><span style="mso-fareast-font-family:"Times New Roman";mso-bidi-font-weight:bold">Hefei</span></span><span class="tgc"><span style="mso-fareast-font-family:"Times New Roman""> is the capital city of Anhui Province in central China, north of
the Yangzi River that divides the province into two parts. </span></span><span style="mso-fareast-font-family:
"Times New Roman"">The University of Science and Technology of China is a national research university in Hefei, Anhui, China, under the direct leadership
of the Chinese Academy of Sciences. It is a member of the C9 League formed by nine top universities in China. The hotel is adjencent to the Swan Lake.</span></font></p>
<font size="3"></font>
<p><font size="3">100 rooms at Swan Lake Hotel has been reserved. Single rooms with en-suite bathrooms will be available for ~$60 per night and single rooms with shared bathroom facilities will be available for ~$50 per night. Both options include breakfast,
internet, and VAT. If you require a double room, please contact the local organizing committee as soon as possible (e-mail:
<span class="rwrr"><span style="mso-fareast-font-family:"Times New Roman"">litao@ustc.edu.cn</span></span><span style="mso-fareast-font-family:"Times New Roman""> </span>). You will be able to book accommodation at the time of registration for the meeting through
our website. For pictures see: </font></p>
<font size="3"></font>
<p><font size="3"><a href="http://www.swanlovers-hotel.com/index.html">http://www.swanlovers-hotel.com/index.html</a></font></p>
<font size="3"></font>
<p><font size="3"> </font></p>
<font size="3"></font>
<p><font size="3">Directions to Hefei and Swan Lake Hotel can be found here: </font>
</p>
<font size="3"></font>
<p><font size="3"><a href="http://trends2018.ustc.edu.cn/travel.html">http://trends2018.ustc.edu.cn/travel.html</a></font></p>
<font size="3"></font>
<p><font size="3"> </font></p>
<font size="3"></font>
<p><font size="3"><span style="mso-no-proof:yes"><br>
</span></font></p>
<font size="3"></font>
<p><font size="3">We will provide shuttles from and to the airport and railway station.</font></p>
<font size="3"></font>
<p><font size="3"> </font></p>
<font size="3"></font>
<p><font size="3">Social events </font></p>
<font size="3"></font>
<p><font size="3">Monday evening banquet in the Swan Lake Hotel </font></p>
<font size="3"></font>
<p><font size="3">Wednesday afternoon tour of Hefei and University of Science and Technology of China</font></p>
<font size="3"></font>
<p><font size="3"> </font></p>
<font size="3"></font>
<p><font size="3">Registration information </font></p>
<font size="3"></font>
<p><font size="3">Standard registration will be available from $380 per person. Further details on reduced rates for early-career scientists and scientists from developing countries will be announced later. The registration fee will include lunches and dinners
on Monday-Thursday and drinks reception. Registration for accompanying persons, which includes access to the dinner, drinks reception and walking tour, will be available from $75 per person.
</font></p>
<font size="3"></font>
<p><font size="3"> </font></p>
<font size="3"></font>
<p><font size="3">Financial support </font></p>
<font size="3"></font>
<p><font size="3">We will offer a reduced registration rate for early-career scientists and scientists from developing countries. In addition, we will offer a limited number of additional support packages on an application basis. Further details on eligibility
and how to apply will be announced in late 2018. </font></p>
<font size="3"></font>
<p><font size="3"> </font></p>
<font size="3"></font>
<p><font size="3">Local Organizing Committee </font></p>
<font size="3"></font>
<p><font size="3">Tao Li (Chair, USTC, China) </font></p>
<font size="3"></font>
<p><font size="3">Jia Yue (Chair, Hampton University, USA)</font></p>
<font size="3"></font>
<p><font size="3">Shunrong Zhang (Haystack Observatory, MIT, USA)</font></p>
<font size="3"></font>
<p><font size="3">Jiuhou Lei (USTC, China)</font></p>
<font size="3"></font>
<p><font size="3">Xianghui Xue (USTC, China)</font></p>
<font size="3"></font>
<p><font size="3">Liying Qian (NCAR, USA)</font></p>
<font size="3"></font>
<p><font size="3">Libo Liu (<span style="mso-fareast-font-family:"Times New Roman"">Institute of Geology and Geophysics, China)</span></font></p>
<font size="3"></font>
<p><font size="3">Jiyao Xu (<span style="mso-fareast-font-family:"Times New Roman"">National center for Space Sciences, China)</span></font></p>
<font size="3"></font>
<p><font size="3">Shaodong Zhang (Wuhan University, China)</font></p>
<font size="3"></font>
<p><font size="3">e-mail: <a href="mailto:litao@ustc.edu.cn"><span style="mso-fareast-font-family:
"Times New Roman"">litao@ustc.edu.cn</span></a><span class="rwrr"><span style="mso-fareast-font-family:"Times New Roman""></span></span></font></p>
<font size="3"></font>
<p><font size="3"><a href="mailto:jia.yue@hamponu.edu"><span style="mso-fareast-font-family:
"Times New Roman"">jia.yue@hamponu.edu</span></a></font></p>
<font size="3"></font>
<p><font size="3"> </font></p>
<font size="3"></font>
<p><font size="3"> </font></p>
<font size="3"></font>
<p><font size="3">Scientific Program Committee </font></p>
<font size="3"></font>
<p><font size="3">Jan Lastovika (<span style="mso-fareast-font-family:"Times New Roman"">Institute of Atmospheric Physics, Czech Republic)</span></font></p>
<font size="3"></font>
<p><font size="3">Gufran Beig (<span style="mso-fareast-font-family:"Times New Roman"">Indian Institute of Tropical Meteorology, India)</span></font></p>
<font size="3"></font>
<p><font size="3">Franz-Josef Lubken (<span style="mso-fareast-font-family:"Times New Roman"">Leibniz Institute of Atmospheric Physics, Germany)</span></font></p>
<font size="3"></font>
<p><font size="3">Dan Marsh (NCAR, USA)</font></p>
<font size="3"></font>
<p><font size="3">Stanley Solomon (NCAR, USA)</font></p>
<font size="3"></font>
<p><font size="3">Shunrong Zhang (Haystack Observatory, MIT, USA)</font></p>
<font size="3"></font>
<p><font size="3">Duggirala Pallamraju (<span style="mso-fareast-font-family:"Times New Roman"">Physical Research Laboratory, India)</span></font></p>
<font size="3"></font>
<p><font size="3">Ana Elias (<span style="mso-fareast-font-family:"Times New Roman"">Universidad Nacional de Tucuman, Argentina)</span></font></p>
<font size="3"></font>
<p><font size="3">Jia Yue (Hampton University, USA)</font></p>
<font size="3"></font>
<p><font size="3">Tao Li (USTC, China)</font></p>
<font size="3"></font>
<p><font size="3"> </font></p>
<font size="3"></font>
<p><font size="3">Previous workshops </font></p>
<font size="3"></font>
<p><font size="3">1999, Pune, India </font></p>
<font size="3"></font>
<p><font size="3">2001, Prague, Czech Republic </font></p>
<font size="3"></font>
<p><font size="3">2004, Sozopol, Bulgaria </font></p>
<font size="3"></font>
<p><font size="3">2006, Sodankyla, Finland </font></p>
<font size="3"></font>
<p><font size="3">2008, Saint Petersburg, Russia </font></p>
<font size="3"></font>
<p><font size="3">2010, Boulder, Colorado, USA </font></p>
<font size="3"></font>
<p><font size="3">2012, Buenos Aires, Argentina </font></p>
<font size="3"></font>
<p><font size="3">2014, Cambridge, UK</font></p>
<font size="3"></font>
<p><font size="3">2016, kühlungsborn, Germany</font></p>
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<div style="font-size:13px"><font size="3" face="Helvetica">~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~</font></div>
<font face="Helvetica"></font>
<div style="font-size:13px"><font size="3" face="Helvetica">Jia Yue</font></div>
<font face="Helvetica"></font>
<div style="font-family:Tahoma; font-size:13px"><font size="3" face="Helvetica">Research Associate Professor Research Associate Scientist</font><font face="Helvetica">
</font>
<div><font size="3" face="Helvetica">Atmospheric and Planetary Sciences ESSIC<br>
</font></div>
<font face="Helvetica"></font>
<div><font size="3" face="Helvetica">23 E Tyler Street 5825 University Research CT
<br>
</font></div>
<font face="Helvetica"></font>
<div><font size="3" face="Helvetica">Hampton University U. of Maryland<br>
</font></div>
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<div><font size="3" face="Helvetica">Hampton VA 23668 USA College Park, MD, 20740<br>
</font></div>
<font face="Helvetica"></font>
<div><font size="3"><font face="Helvetica">http://science.hamptonu.edu/aps/faculty/yue.cfm<br>
jia.yue@hamptonu.edu; jiayue@umd.edu</font><br>
</font></div>
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