Preprints
https://doi.org/10.5194/acp-2021-1085
https://doi.org/10.5194/acp-2021-1085
 
21 Mar 2022
21 Mar 2022
Status: this preprint is currently under review for the journal ACP.

Solitary wave characteristics on the fine structure of mesospheric sporadic sodium layer

Shican Qiu1,2, Mengxi Shi1, Willie Soon3,4, Mingjiao Jia5, Xianghui Xue2,6, Tao Li2,6, Peng Ju1, and Xiankang Dou2,6 Shican Qiu et al.
  • 1Department of Geophysics, College of the Geology Engineering and Geomatics, Chang’an University, Xi’an, 710054, China
  • 2Key Laboratory of Geospace Environment, Chinese Academy of Sciences, University of Science & Technology of China, Hefei, Anhui, 230026, China
  • 3Center for Environmental Research and Earth Sciences (CERES), Salem, MA 01970, USA
  • 4Institute of Earth Physics and Space Science (ELKH EPSS), 9400, Sopron, Hungary
  • 5Shandong Guoyao Quantum Lidar Co., Ltd., Jinan, 250101, China
  • 6Mengcheng National Geophysical Observatory, School of Earth and Space Sciences, University of Science and Technology of China, Hefei, Anhui, 230026, China

Abstract. The most fantastic phenomenon of the mesospheric sodium layer is the so-called sporadic sodium layer (SSL or NaS), which are proposed to be closely related to wave fluctuations. Solitary wave is a particular solution of partial differential equation whose energy travels as a localized wave packet, and a soliton is a special solitary wave which has a particle-like behavior with strong stable form. In this research, the solitary wave theory is applied for the first time to study the fine structure of NaS. We perform soliton fitting processes on the observed data from the Andes Lidar Observatory, and find out that 24/27 NaS events exhibit similar features/characteristics to a soliton. Time series of the net anomaly of the NaS reveal the same variation process to the solution of a generalized five-order KdV equation. Our results therefore suggest the NaS phenomenon would be an appropriate tracer for nonlinear wave studies in the atmosphere.

Shican Qiu et al.

Status: final response (author comments only)

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on acp-2021-1085', Anonymous Referee #3, 31 Mar 2022
  • RC2: 'Comment on acp-2021-1085', Anonymous Referee #1, 04 Apr 2022
  • RC3: 'Comment on acp-2021-1085', Anonymous Referee #2, 11 Apr 2022

Shican Qiu et al.

Shican Qiu et al.

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Short summary
The solitary wave theory is applied for the first time to study the sporadic sodium layers (NaS). We perform soliton fitting processes on the observed data from the Andes Lidar Observatory, and find out that 24/27 NaS events exhibit similar features to a soliton. Time series of the net anomaly reveal the same variation process to the solution of a five-order KdV equation. Our results suggest the NaS phenomenon would be an appropriate tracer for nonlinear wave studies in the atmosphere.
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