Articles | Volume 35, issue 2
https://doi.org/10.5194/angeo-35-295-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/angeo-35-295-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Regular paper
| 
28 Feb 2017
Regular paper |
| 28 Feb 2017
Double-layer structure in polar mesospheric clouds observed from SOFIE/AIM
Key Laboratory for Aerosol-Cloud-Precipitation of China
Meteorological Administration, Nanjing University of Information Science and
Technology, Nanjing, China
School of Atmospheric Physics, Nanjing University of Information
Science and Technology, Nanjing, China
Gordon G. Shepherd
Centre for Research in Earth and Space Science, York University,
Toronto, Canada
Yuanhe Tang
School of Science, Xi'an University of Technology, Xi'an, China
Lingbing Bu
Key Laboratory for Aerosol-Cloud-Precipitation of China
Meteorological Administration, Nanjing University of Information Science and
Technology, Nanjing, China
School of Atmospheric Physics, Nanjing University of Information
Science and Technology, Nanjing, China
Zhen Wang
Key Laboratory for Aerosol-Cloud-Precipitation of China
Meteorological Administration, Nanjing University of Information Science and
Technology, Nanjing, China
School of Atmospheric Physics, Nanjing University of Information
Science and Technology, Nanjing, China
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We find double-layer structure events with percentages of 10.32 and 7.25 % compared to total PMCs events, and the mean distances between two peaks are 3.06 and 2.73 km for the NH and SH respectively using SOFIE data from 2007 to 2014. By analysis of the background temperature and water vapour residual profiles, we conclude that the lower layer is a reproduced one formed at the bottom of the upper layer. These structures have close relationships with temperature enhancements and GWs.
We find double-layer structure events with percentages of 10.32 and 7.25 % compared to total...
