Continuous Detection of Diurnal Sodium Fluorescent Lidar over Beijing in China
Alternative TitleWOS:000516826200117;20201808602058
Du, Lifang; Wang, Jihong; Yang, Yong1; Xun, Yuchang2; Li, Faquan1; Wu, Fuju3; Gong, Shunsheng1; Zheng, Haoran; Cheng, Xuewu1; Yang, Guotao; Lu, Zhenghua3
Source PublicationATMOSPHERE
Keywordsodium fluorescent lidar daytime observation atomic resonance filter technique sporadic sodium layer continuous diurnal observation MESOPAUSE REGION TEMPERATURE SEASONAL-VARIATION SPORADIC SODIUM FORT-COLLINS NA LAYER WIND 40.6-DEGREES-N FILTER
AbstractBased on application of the atomic filter technology in a signal detection system of lidar, the diurnal observation of sodium lidar were obtained using the system at the National Space Science Center of the Chinese Academy of Sciences at Beijing Yanqing station (40.5 degrees N, 116 degrees E) in April 2014. During the lidar observation period, among the 103 cases of continuous daytime observations, the longest time was 181 h. In the case of a continuous observation period of 5 days (13-18 October 2014), the signal-to-noise ratio reached to 19:1 at 12:00-13:00 Local Time of the daytime, when the spatial and time resolutions were respectively set to 96 m of 167 s. The improvements resulted in the highest detection level of any existing diurnal lidars in China. Some interesting phenomena such as the sporadic sodium layer have also been observed during the daytime. The daytime capability extended the observing time range of the earlier systems that were limited to only nighttime observations. This innovation provides a useful method for the studies of diurnal tides, photochemistry, gravity waves, and correlative modeling studies.
Indexed BySCI ; EI
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Document Type期刊论文
Affiliation1.Chinese Acad Sci, Natl Space Sci Ctr, State Key Lab Space Weather, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Wuhan Inst Phys & Math, Wuhan 430071, Peoples R China
3.Taiyuan Univ Technol, Coll Phys & Optoelect, Taiyuan 030024, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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GB/T 7714
Du, Lifang,Wang, Jihong,Yang, Yong,et al. Continuous Detection of Diurnal Sodium Fluorescent Lidar over Beijing in China[J]. ATMOSPHERE,2020,11(1):118.
APA Du, Lifang.,Wang, Jihong.,Yang, Yong.,Xun, Yuchang.,Li, Faquan.,...&Lu, Zhenghua.(2020).Continuous Detection of Diurnal Sodium Fluorescent Lidar over Beijing in China.ATMOSPHERE,11(1),118.
MLA Du, Lifang,et al."Continuous Detection of Diurnal Sodium Fluorescent Lidar over Beijing in China".ATMOSPHERE 11.1(2020):118.
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