[HTML][HTML] Lower-thermosphere–ionosphere (LTI) quantities: current status of measuring techniques and models

M Palmroth, M Grandin, T Sarris… - Annales …, 2021 - angeo.copernicus.org
The lower-thermosphere–ionosphere (LTI) system consists of the upper atmosphere and the
lower part of the ionosphere and as such comprises a complex system coupled to both the …

Lidar observations of stratospheric gravity waves from 2011 to 2015 at McMurdo (77.84 S, 166.69 E), Antarctica: 1. Vertical wavelengths, periods, and frequency and …

J Zhao, X Chu, C Chen, X Lu, W Fong… - Journal of …, 2017 - Wiley Online Library
Five years of atmospheric temperature data, collected with an Fe Boltzmann lidar by the
University of Colorado group from 2011 to 2015 at Arrival Heights, are used to characterize …

Lidar observations of stratospheric gravity waves from 2011 to 2015 at McMurdo (77.84 S, 166.69 E), Antarctica: 2. Potential energy densities, lognormal distributions …

X Chu, J Zhao, X Lu, VL Harvey… - Journal of …, 2018 - Wiley Online Library
Abstract Five years of Fe Boltzmann lidar's Rayleigh temperature data from 2011 to 2015 at
McMurdo are used to characterize gravity wave potential energy mass density (Epm) …

[PDF][PDF] 北京延庆钠层上边界的平均特性研究

徐亦萌, 林兆祥, 杨国韬, 王继红, 程学武, 李发泉… - 地球物理学报, 2022 - dsjyj.com.cn
摘要本文对北京延庆(116.0 E, 40.5 N) 钠荧光激光雷达2018 年11 月—2019 年12
月夜间的数据以1h 和1km 的时空分辨率进行了分析. 获得了当地钠层上边界可达到的高度范围 …

Formation mechanisms of neutral Fe layers in the thermosphere at Antarctica studied with a thermosphere‐ionosphere Fe/Fe+ (TIFe) model

X Chu, Z Yu - Journal of Geophysical Research: Space Physics, 2017 - Wiley Online Library
With a thermosphere‐ionosphere Fe/Fe+ (TIFe) model developed from first principles at the
University of Colorado, we present the first quantitative investigation of formation …

First simultaneous lidar observations of thermosphere‐ionosphere Fe and Na (TIFe and TINa) layers at McMurdo (77.84 S, 166.67 E), Antarctica with concurrent …

X Chu, Y Nishimura, Z Xu, Z Yu… - Geophysical …, 2020 - Wiley Online Library
We report the first simultaneous, common‐volume lidar observations of thermosphere‐
ionosphere Fe (TIFe) and Na (TINa) layers in Antarctica. We also report the observational …

Lidar observations of thermospheric Na layers up to 170 km with a descending tidal phase at Lijiang (26.7° N, 100.0° E), China

Q Gao, X Chu, X Xue, X Dou, T Chen… - Journal of Geophysical …, 2015 - Wiley Online Library
We report the first lidar observations of thermospheric Na layers up to 170 km at Lijiang
(geomagnetic 21.6° N, 171.8° E), China, in March, April, and December 2012. The Na …

Mid‐latitude thermosphere‐ionosphere Na (TINa) layers observed with high‐sensitivity Na Doppler lidar over Boulder (40.13° N, 105.24° W)

X Chu, Y Chen, CY Cullens, Z Yu, Z Xu… - Geophysical …, 2021 - Wiley Online Library
We report the first lidar observations of regular occurrence of mid‐latitude thermosphere‐
ionosphere Na (TINa) layers over Boulder (40.13° N, 105.24° W), Colorado. Detection of …

Study on average characteristics of upper boundary of sodium layer in Yanqing, Beijing

YM XU, ZX LIN, GT YANG, JH WANG… - Chinese Journal of …, 2022 - en.dzkx.org
In this paper, data from the sodium fluorescence lidar of Yanqing, Beijing (116.0 E, 40.5 N)
for the night of November 2018-December 2019 were analysed at resolution of 1 km and 1 …

First lidar observations of quasi‐biennial oscillation‐induced interannual variations of gravity wave potential energy density at McMurdo via a modulation of the …

Z Li, X Chu, VL Harvey, J Jandreau, X Lu… - Journal of …, 2020 - Wiley Online Library
This work presents the first lidar observations of a Quasi‐Biennial Oscillation (QBO) in the
interannual variations of stratospheric gravity wave potential energy density (Epm in 30–50 …