CEDAR email: IAGA-IASPEI 2021 Symposium 2.3: "Stratosphere-Mesosphere-Thermosphere-Ionosphere System -- Long-term Changes":

[Liying Qian]

Dear Colleagues,

The abstract submission deadline for IAGA-IASPEI 2021 has been
extended to April
30th, 2021.

Please consider attending *symposium 2.3:*
*"Stratosphere-Mesosphere-Thermosphere-Ionosphere
System -- Long-term Changes"*:
Long term changes of greenhouse gas concentrations and other drivers, such
as the long term change of the Earth's magnetic field, cause long term
changes in the upper atmosphere, which are often much larger than
tropospheric trends. Note that in atmospheric science, long term changes,
or trends, refer to changes on a time scale longer than one solar cycle (~
11 years). We welcome papers on investigating trends in the stratosphere,
mesosphere, thermosphere and ionosphere, dealing with ground based as well
as satellite borne observations, model simulations, theoretical analyses,
long term data quality issues, methods of determination of trends, and
related laboratory experiments.
Click here to Submit Your Abstract
<http://iaga.conferenceindia.in/delegate_abstract_login.aspx>

Convener: Liying Qian (lqian at ucar.edu)
Co-Conveners: Jan Lastovicka (jla at ufa.cas.cz)
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