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

Li, Jian; ,; Yi, Wen; Xue, XiangHui; Zeng, Jie; Ye, HaiLun; Wang, JianYuan; Chen, JinSong; Li, Na; Chen, TingDi; ,; ,; ,; ,; ,

doi:10.26464/epp2024030

Earth and Planetary Physics

2025

DOI: 10.26464/epp2024030

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

Jian Li,

Wen Yi,

XiangHui Xue

et al.

Abstract: The statistical analysis approach provides the uncertainties estimation associated with mesospheric tides observed by the meteor radar.

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The Climatology of Gravity Waves over the Low-Latitude Region Estimated by Multiple Meteor Radars

Wang,

Yi,

et al. 2024

Remote Sensing

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Atmospheric gravity waves (GWs) can strongly modulate middle atmospheric circulation and can be a significant factor for the coupling between the lower atmosphere and the middle atmosphere. GWs are difficult to resolve in global atmospheric models due to their small scale; thus, GW observations play an important role in middle atmospheric studies. The climatology of GW variance and momentum in the low-latitude mesosphere and lower thermosphere (MLT) region are revealed using multiple meteor radars, which are located at Kunming (25.6°N, 103.8°E), Sanya (18.4°N, 109.6°E), and Fuke (19.5°N, 109.1°E). The climatology and longitudinal variations in GW momentum fluxes and variance over the low-latitude region are reported. The GWs show strong seasonal variations and can greatly control the mesospheric horizontal winds via modulation of the quasi-geostrophic balance and momentum deposition. The different GW activities between Kunming and Sanya/Fuke are possibly consistent with the unique prevailing surface winds over Kunming and the convective system over the Tibetan Plateau according to the European Centre for Medium-Range Weather Forecasts (ECMWF), Reanalysis v5 (ERA5) data, and outgoing longwave radiation (OLR) data. These findings provide insight for better understanding the coupling between the troposphere and mesosphere.

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The Climatology of Gravity Waves over the Low-Latitude Region Estimated by Multiple Meteor Radars

Wang,

Yi,

et al. 2024

Remote Sensing

View full text Add to dashboard Cite

show abstract

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

Abstract: The statistical analysis approach provides the uncertainties estimation associated with mesospheric tides observed by the meteor radar.

Cited by 1 publication

References 44 publications

The Climatology of Gravity Waves over the Low-Latitude Region Estimated by Multiple Meteor Radars

The Climatology of Gravity Waves over the Low-Latitude Region Estimated by Multiple Meteor Radars

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