Climatology of mesopause region nocturnal temperature, zonal wind and sodium density observed by sodium lidar over Hefei, China (32°&thinsp;N, 117°&thinsp;E)

Li, Tao; Ban, Chao; Fang, Xin; Li, Jing; Wu, Zhaopeng; Feng, Wuhu; Plane, John M. C.; Xiong, Jiangang; Marsh, Daniel R.; Mills, Michael J.; Dou, Xiankang

doi:https://doi.org/10.5194/acp-18-11683-2018

Articles | Volume 18, issue 16

https://doi.org/10.5194/acp-18-11683-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue:

Layered phenomena in the mesopause region (ACP/AMT inter-journal...

https://doi.org/10.5194/acp-18-11683-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 18, issue 16

Research article

|

17 Aug 2018

Research article |

| 17 Aug 2018

Climatology of mesopause region nocturnal temperature, zonal wind and sodium density observed by sodium lidar over Hefei, China (32° N, 117° E)

Tao Li, Chao Ban, Xin Fang, Jing Li, Zhaopeng Wu, Wuhu Feng, John M. C. Plane, Jiangang Xiong, Daniel R. Marsh, Michael J. Mills, and Xiankang Dou

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Final revised paper (published on 17 Aug 2018)
Preprint (discussion started on 16 Apr 2018)

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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SC1: 'Referee comment', Richard Collins, 04 May 2018
RC1: 'comment on climatology of mesopause temperature... by Li et al.', Anonymous Referee #2, 07 May 2018
RC2: 'Refere comment', Anonymous Referee #1, 08 May 2018
AC1: 'Response to all referee comments', Tao. Li, 02 Jul 2018
AC2: 'manuscript pdf with track change', Tao. Li, 02 Jul 2018
AC3: 'manuscript pdf (clean version)', Tao. Li, 02 Jul 2018

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

AR by Anna Wenzel on behalf of the Authors (03 Jul 2018) Author's response

ED: Publish subject to technical corrections (16 Jul 2018) by Robert Hibbins

Short summary

A total of 154 nights of observations by the USTC Na temperature and wind lidar (32° N, 117° E) suggest significant seasonal variability in the mesopause. Chemistry plays an important role in Na atom formation. More than half of the observed gravity wave (GW) momentum flux (MF), whose divergence determines the GW forcing, is induced by short-period (10 min–2 h) waves. The anticorrelation between MF and zonal wind (U) suggests strong filtering of short-period GWs by semiannual oscillation U.