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<span style="font-family:"Times New Roman"">Dear colleagues,</span>
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<p class="MsoNormal"><span style="font-family:"Times New Roman""> </span></p>
<p class="MsoNormal" style="text-indent:.5in"><span style="font-family:"Times New Roman"">A friendly remind that the submission deadline
</span><span style="font-family:"Times New Roman""><span style="font-family:"Times New Roman"">of April 30 2019</span> is approaching in a month.
</span><br>
<span style="font-family:"Times New Roman""><br>
</span></p>
<p class="MsoNormal" style="text-indent:.5in"><span style="font-family:"Times New Roman"">Please note that JGR can always link late papers “backstage”, even if the collection is closed to the public.
</span></p>
<p class="MsoNormal"><span style="font-family:"Times New Roman""> </span></p>
<p class="MsoNormal" style="text-indent:.5in"><span style="font-family:"Times New Roman"; color:#424242; border:none windowtext 1.0pt; padding:0in">Call for Papers for “<b>Long-term changes and Trends in the Middle and Upper Atmosphere</b>”</span></p>
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</span><span style="font-family:"Times New Roman""></span></p>
<p class="MsoNormal" style=""><b><span style="font-family:"Times New Roman"; color:#424242; border:none windowtext 1.0pt; padding:0in">Submission Open:</span></b><span style="font-family:"Times New Roman"; color:#424242; border:none windowtext 1.0pt; padding:0in"> 01
August 2018</span><span style="font-family:"Times New Roman""></span></p>
<p class="MsoNormal" style=""><b><span style="font-family:"Times New Roman"; color:#424242; border:none windowtext 1.0pt; padding:0in">Submission Deadline:</span></b><span style="font-family:"Times New Roman"; color:#424242; border:none windowtext 1.0pt; padding:0in">
30 April 2019</span><span style="font-family:"Times New Roman""></span></p>
<p class="MsoNormal" style=""><b><span style="font-family:"Times New Roman"; color:#424242; border:none windowtext 1.0pt; padding:0in">Special Section Organizers:</span></b><span style="font-family:"Times New Roman"; color:#424242; border:none windowtext 1.0pt; padding:0in"><br>
Jia Yue, Hampton University; Tao Li, University of Science and Technology of China; Shunrong Zhang, MIT; Liying Qian, NCAR; Jan Lastovicka, Institute of Atmospheric Physics, CAS</span></p>
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<p class="MsoNormal" style="text-indent:.5in"><span style="font-family:"Times New Roman"; color:#424242; border:none windowtext 1.0pt; padding:0in">This special issue is inspired by the recent 10th Trend Workshop in May 2018, but is open to all relevant submissions.
Long-term changes to Earth’s middle and upper 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. Topics on long-term variations of the middle and upper atmosphere and ionosphere such
as QBO, ENSO, MJO are all welcomed. <br>
</span></p>
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<span style="font-family:"Times New Roman"; color:#424242; border:none windowtext 1.0pt; padding:0in"></span><span style="font-family:"Times New Roman""></span></p>
<p class="MsoNormal" style="text-indent:.5in"><span style="font-family:"Times New Roman"; color:#424242; border:none windowtext 1.0pt; padding:0in">Authors are to submit through the GEMS site for JGR: Space Physics at
<u><a href="https://urldefense.proofpoint.com/v2/url?u=https-3A__jgr-2Dspacephysics-2Dsubmit.agu.org&d=DwQF-g&c=ZiMMLwcK1Y0gJjbWwMP8EkDRBmripxV4M6aASFu8qIg&r=gUIdXkch-OiKby9hoVw3MAJ0oPD__R7MyPiy3Lzo89M&m=-qQitOJZCP7RUcHg223tHSI0LnXcD82M0SlhVMpeUVU&s=VCqJCju61xtXtEorSWybKgmQQfuIIJL59lnpfqcU0uM&e=" rel="noopener noreferrer" target="_blank">https://jgr-spacephysics-submit.agu.org</a></u>
or for JGR: Atmospheres at <u><a href="https://urldefense.proofpoint.com/v2/url?u=https-3A__jgr-2Datmospheres-2Dsubmit.agu.org&d=DwQF-g&c=ZiMMLwcK1Y0gJjbWwMP8EkDRBmripxV4M6aASFu8qIg&r=gUIdXkch-OiKby9hoVw3MAJ0oPD__R7MyPiy3Lzo89M&m=-qQitOJZCP7RUcHg223tHSI0LnXcD82M0SlhVMpeUVU&s=yJcpMdED9VWo3BoMJZQCTUXeq6dpbDZJBVNHCxVRBY4&e=" rel="noopener noreferrer" target="_blank">https://jgr-atmospheres-submit.agu.org</a></u>.
When authors submit a manuscript, they must select the appropriate special section designation. For additional information please contact
<a href="mailto:jgr-spacephysics@agu.org" rel="noopener noreferrer" target="_blank">
<span style="color:blue">jgr-spacephysics@agu.org</span></a> and jgr-atmospheres@agu.org</span></p>
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<span style="font-family:"Times New Roman"; color:#424242; border:none windowtext 1.0pt; padding:0in"></span><span style="font-family:"Times New Roman""></span></p>
<p class="MsoNormal" style="text-indent:.5in"><span style="font-family:"Times New Roman"; color:#424242; border:none windowtext 1.0pt; padding:0in">Sincerely,</span><span style="font-family:"Times New Roman""></span></p>
<span style="font-family:"Times New Roman"; color:#424242; border:none windowtext 1.0pt; padding:0in"> Jia Yue and Tao Li</span></div>
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