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

作     者：Jian Li Wen Yi XiangHui Xue Jie Zeng HaiLun Ye JianYuan Wang JinSong Chen Na Li TingDi Chen 

作者机构：Chinese Academy of Sciences(CAS)Key Laboratory of Geospace EnvironmentDepartment of Geophysics and Planetary SciencesUniversity of Science and Technology of ChinaHefei 230026China CAS Center for Excellence in Comparative PlanetologyAnhui Mengcheng Geophysics National Observation and Research StationUniversity of Science and Technology of ChinaHefei 230026China Hefei National LaboratoryUniversity of Science and Technology of ChinaHefei 230026China Collaborative Innovation Center of Astronautical Science and TechnologyHarbin 150001China National Key Laboratory of Electromagnetic EnvironmentChina Research Institute of Radiowave PropagationQingdao 266107China Yunnan Kunming Electromagnetic Environment National Observation and Research StationQujing Kunming 655000China 

出 版 物：《Earth and Planetary Physics》 (地球与行星物理（英文版）)

年 卷 期：2025年第9卷第1期

页      面：54-68页

核心收录：

学科分类：07[理学] 0707[理学-海洋科学] 

基　　金：supported by the National Natural Science Foundation of China(Grant Nos.42125402 and 42174183) the National Key Technologies R&D Program of China(Grant No.2022YFF0503703) the B-type Strategic Priority Program of the Chinese Academy of Sciences(Grant No.XDB41000000) the foundation of the National Key Laboratory of Electromagnetic Environment and the Fundamental Research Funds for the Central Universities,and the Chinese Meridian Project 

主　　题：mesosphere and lower thermosphere region meteor radar mesospheric winds tides 

摘      要：Accurate knowledge of mesospheric winds and waves is essential for studying the dynamics and climate in the mesosphere and lower thermosphere(MLT)*** this study,we conduct a comparative analysis of the mesosphere tidal results obtained from two adjacent meteor radars at low latitudes in Kunming,China,from November 2013 to December *** two radars operate at different frequencies of 37.5 MHz and 53.1 MHz,***,overall good agreement is observed between the two radars in terms of horizontal winds and tide *** results show that the dominant tidal waves of the zonal and meridional winds are diurnal and semidiurnal ***,we conduct an exhaustive statistical analysis to compare the tidal amplitudes and vertical wavelengths recorded by the dual radar systems,which reveals a high degree of alignment in tidal *** investigation includes variances and covariances of tidal amplitudes,which demonstrate remarkable consistency across measurements from both *** finding highlights clear uniformity in the mesospheric tidal patterns observed at low latitudes by the two neighboring meteor *** of the comparative analysis specifically underscore the significant correlation in vertical wavelength measurements,validating the robustness of radar observations for tidal research.