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Atmospheric Chemistry and Physics An interactive open-access journal of the European Geosciences Union
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Volume 18, issue 12
Atmos. Chem. Phys., 18, 8893–8908, 2018
https://doi.org/10.5194/acp-18-8893-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue: Sources, propagation, dissipation and impact of gravity waves...

Atmos. Chem. Phys., 18, 8893–8908, 2018
https://doi.org/10.5194/acp-18-8893-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 26 Jun 2018

Research article | 26 Jun 2018

Local time dependence of polar mesospheric clouds: a model study

Francie Schmidt et al.
Data sets

AIM SOFIE data Global Atmospheric Technologies and Sciences (GATS) http://sofie.gats-inc.com/sofie/index.php

AIM CIPS data Laboratory for Atmospheric and Space Physics (LASP) http://lasp.colorado.edu/aim/download-data-L3C.php

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Short summary
Local time variations of polar mesospheric clouds (PMCs) in the Northern Hemisphere are studied using a combination of a global circulation model and a microphysical model. We investigate the brightness, altitude, and occurrence of the clouds and find a good agreement between model and observations. The variations are caused by tidal structures in background parameters. The temperature varies by about 2 K and water vapor by about 3 ppmv at the altitude of ice particle sublimation near 81.5 km.
Local time variations of polar mesospheric clouds (PMCs) in the Northern Hemisphere are studied...
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