CEDAR email: Reminder: Abstract Deadline – 13th International Workshop on Long-Term Changes and Trends in the Atmosphere

[Liying Qian]

Dear All,

There are only two weeks remaining until the abstract submission deadline
for the *13th International Workshop on Long-Term Changes and Trends in the
Atmosphere <https://trends2026.casconf.cn/>*. The deadline for abstract
submission is *February 20, 2026*.

The workshop focuses on long-term changes in the middle and upper
atmosphere.

*Date:* May 18–22, 2026
*Location:* Beijing, China

*Workshop topics include:*

   - Observed trends and long-term variations in the middle atmosphere
   - Modeled and predicted trends and long-term variations in the middle
   atmosphere
   - Trends and long-term changes in the upper atmosphere
   - Dynamic, physical, chemical, and radiative mechanisms of trends and
   long-term variations
   - Miscellaneous topics

Please visit the workshop website <https://trends2026.casconf.cn/> for more
information.

We look forward to your participation in this exciting workshop!

Sincerely,
Liying Qian
on behalf of
the Workshop Scientific Organizing Committee and the Local Organizing
Committee
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