Comparison between the Mesospheric Winds Observed by Two Collocated Meteor Radars at Low Latitudes

Zeng, Jie; Yi, Wen; Xue, Xianghui; Hao, Xiaojing; Li, Na; Chen, Jinsong; Chen, Tingdi; Dou, Xiankang

doi:10.3390/rs14102354

Cited by 11 publications

(5 citation statements)

References 29 publications

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“…In general, the wind field comparisons between the two radars show strong consistency, and are the same as the results of Zeng J et al (2022). This initial observation suggests the feasibility and reliability of the tidal comparisons in the data.…”

Section: Kmmrssupporting

confidence: 71%

Mesospheric tide comparisons at low latitudes observed by two collocated meteor radars

Li,

Yi,

Xue

et al. 2025

Earth and Planetary Physics

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Section: Kmmrssupporting

confidence: 71%

Mesospheric tide comparisons at low latitudes observed by two collocated meteor radars

Li,

Yi,

Xue

et al. 2025

Earth and Planetary Physics

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“…Moreover, the wind shear occurs around 90 km with lively GW activities. In past, the validity of MF radar measurement has been discussed in the reference Li et al (2015) [35]. In that work, the comparison of wind data and HWM07 shows that the error range was within the acceptable scale, although there was some visible difference between them.…”

Section: Datasets and Analysis Methodsmentioning

confidence: 93%

“…Since 2008, systematic measurements of wind velocity at altitudes of 60-100 km have been made using a medium-frequency (MF) radar and a meteor radar on the same observation platform. These radars have been used for investigations of variations in waves (e.g., tides, planetary waves), responses to events, and lower ionosphere [32][33][34][35]. The prominent advantage of MF radar is its temporal resolution of 3 min compared to the 1 h of meteor radar.…”

Section: Introductionmentioning

confidence: 99%

Oscillations of GW Activities in the MLT Region over Mid-Low-Latitude Area, Kunming Station (25.6° N, 103.8° E)

Li,

Chen,

Wang

et al. 2023

Atmosphere

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Gravity wave (GW) activities play a prominent role in the complex coupling process of wave–wave and wave–background circulation around mid-low-latitude and equatorial areas. The wavelengths are wide, from about 10 m to 100 km, with a period from minutes to hours. However, the oscillations of GW activities are apparently different between the period bands of 0.1 to 1 h (HF) and 1 to 5 h (LF). To further understand the characteristics of GW activities, the neutral winds during 2008–2009 with a resolution of 3 min obtained from a medium-frequency (MF) radar in Kunming (25.6° N, 103.8° E) were analyzed. Using two numerical filters, the HF and LF GWs were estimated. Interestingly, the power spectral density grows larger as the frequency increases. It linearly falls with decreasing frequency when the period is less than 2 h. The seasonal variations in both HF and LF GWs are strongly demonstrated in August–September, November, and February–March with maximum meridional variances of 1100 m2 s−2 and 500 m2 s−2 and maximum zonal variances of 800 m2 s−2 and 350 m2 s−2 in, respectively. The turbulent velocity was also calculated and shows similar oscillations with GW activities. Furthermore, the GW propagation direction exhibits strong seasonal variations, which may be dependent on the location of the motivating source and background wind.

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“…For the most part, the residual RMS (root mean square) of the hourly horizontal velocity provided by the Moncheng meteor radar system is less than 10 m/s. A joint measurement campaign was carried out by Reid et al [46] and Zeng et al [47] to assess the performance and uncertainty of the winds observed by the meteor radar based on the observation from Davis Station in the Antarctic and from Kunming Station at low latitudes, respectively. The uncertainty of zonal and meridional wind observed by the meteor radar for the 1 h average is less than 4 m s −1 near 90 km.…”

Section: Methodsmentioning

confidence: 99%

Intraseasonal Variation in the Mesosphere Observed by the Mengcheng Meteor Radar from 2015 to 2020

et al. 2023

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The intraseasonal oscillations (30–100 days, ISO) in the MLT (mesosphere and lower thermosphere) horizontal wind are investigated based on observations from the Mengcheng meteor radar. There is a clear seasonal variation in ISO in the horizontal wind at 80 km, which is strongest during the winter and weakest during the summer. At 100 km, ISO occurs throughout most of the year except winter, and there are significant differences in periods and amplitudes from year to year. From 2015 to 2016, ISOs with periods of 40–60 days were present in the 100 km horizontal wind, whereas none were simultaneously observed in the 80 km horizontal wind. Cross wavelets were used to study the relationship between ISO in the MLT region and ISO in the lower atmosphere. Some of the ISO activity is linked to tropospheric tropical convective activity, but the ISO connections with that in tropospheric convection are not consistent in the upper mesosphere and in the lower thermosphere.

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Comparison between the Mesospheric Winds Observed by Two Collocated Meteor Radars at Low Latitudes

Cited by 11 publications

References 29 publications

Mesospheric tide comparisons at low latitudes observed by two collocated meteor radars

Mesospheric tide comparisons at low latitudes observed by two collocated meteor radars

Oscillations of GW Activities in the MLT Region over Mid-Low-Latitude Area, Kunming Station (25.6° N, 103.8° E)

Intraseasonal Variation in the Mesosphere Observed by the Mengcheng Meteor Radar from 2015 to 2020

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