Zobrazeno 1 - 10
of 931
pro vyhledávání: '"Meteor Radar"'
Publikováno v:
地球与行星物理论评, Vol 55, Iss 3, Pp 329-343 (2024)
All-sky meteor radars have become a reliable and widely used tool for observing horizontal winds in the mesosphere and lower thermosphere (MLT) region. This provides vital data support for the study of dynamics in this region. Currently, meteor radar
Externí odkaz:
https://doaj.org/article/31c2bb9099f54757a9bab9b171ea8489
Publikováno v:
地球与行星物理论评, Vol 55, Iss 1, Pp 109-119 (2024)
Sudden stratospheric warming (SSW) is a violent atmospheric disturbance in the polar region of the winter hemisphere. The drastic changes in temperature and wind during SSWs are considered to be the main reasons for the abnormal increase in the energ
Externí odkaz:
https://doaj.org/article/8c548cf1943a4b83b5befc8b98bec163
Autor:
Zhiqing Chen, Zi-Qian Liu, Jian Feng, Lianhuan Hu, Chunxiao Yan, Wei Yuan, Xuesen Wu, Bing Zheng, Xiaojun Zhou
Publikováno v:
地球与行星物理论评, Vol 55, Iss 1, Pp 120-130 (2024)
The Phase Ⅱ of Chinese Meridian Project will deploy 10 meteor radar systems in China. To promote the advancement of domestic ground-based observation technologies, the project managing headquarters are engaged in a special campaign for the localiza
Externí odkaz:
https://doaj.org/article/a3e995b78af44f8ca33370f3729ee955
Publikováno v:
Earth, Planets and Space, Vol 75, Iss 1, Pp 1-14 (2023)
Abstract This work shows a 3-year climatology of the horizontal components of the solar diurnal tide, obtained from wind measurements made by a multistatic specular meteor radar (SIMONe) located in Jicamarca, Peru (12 $$^\circ$$ ∘ S, 77 $$^\circ$$
Externí odkaz:
https://doaj.org/article/0e0152beb4634d4db5055ef10c002427
Mesopause temperatures and relative densities at midlatitudes observed by the Mengcheng meteor radar
Publikováno v:
Earth and Planetary Physics, Vol 7, Iss 6, Pp 665-674 (2023)
The atmospheric temperatures and densities in the mesosphere and lower thermosphere (MLT) region are essential for studying the dynamics and climate of the middle and upper atmosphere. In this study, we present more than 9 years of mesopause temperat
Externí odkaz:
https://doaj.org/article/3b53f6b495d642b6892313719368e07f
Autor:
Jianyuan Wang, Wen Yi, Na Li, Xianghui Xue, Jianfei Wu, Hailun Ye, Jian Li, Tingdi Chen, Yaoyu Tian, Boyuan Chang, Zonghua Ding, Jinsong Chen
Publikováno v:
Remote Sensing, Vol 16, Iss 16, p 2870 (2024)
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 du
Externí odkaz:
https://doaj.org/article/ae99dcf91be84c86a0850026d40e41a4
Autor:
Byeong‐Gwon Song, In‐Sun Song
Publikováno v:
Geophysical Research Letters, Vol 51, Iss 4, Pp n/a-n/a (2024)
Abstract We examine the relationships between the observed long‐term trends of the zonal wind in the mesopause regions at King Sejong Station (KSS), Antarctica, and wind trends in the Southern Hemisphere (SH) middle atmosphere using the 15‐year d
Externí odkaz:
https://doaj.org/article/9941e38c780841ecb99d5b185233577c
Autor:
Jaewook Lee, Young‐Sil Kwak, Hosik Kam, Hyosub Kil, Jaeheung Park, Jeongheon Kim, Tae‐Yong Yang, Changsup Lee
Publikováno v:
Geophysical Research Letters, Vol 51, Iss 4, Pp n/a-n/a (2024)
Abstract Meteor radar observations provide wind data ranging from 80 to 100 km altitude, while the Michaelson Interferometer for Global High‐resolution Thermospheric Imaging (MIGHTI) onboard the Ionospheric Connection Explorer satellite offers wind
Externí odkaz:
https://doaj.org/article/cfbb6afb96264ede969ad13bfac22094
Autor:
Iain M. Reid
Publikováno v:
Atmosphere, Vol 15, Iss 4, p 505 (2024)
This is an introductory review of modern meteor radar and its application to the measurement of the dynamical parameters of the Mesosphere Lower Thermosphere (MLT) Region within the altitude range of around 70 to 110 km, which is where most meteors a
Externí odkaz:
https://doaj.org/article/8f8ad9f918074418b839f07f7b2145a4
Autor:
Chi Long, Tao Yu, Jian Zhang, Xiangxiang Yan, Na Yang, Jin Wang, Chunliang Xia, Yu Liang, Hailun Ye
Publikováno v:
Remote Sensing, Vol 16, Iss 7, p 1291 (2024)
Wind shear has important implications for Kelvin–Helmholtz instability (KHI) and gravity waves (GWs) in the mesosphere–lower thermosphere (MLT) region where its momentum transport process is dominated by short-period (°N, 116.2°E), Wuhan (WH, 3
Externí odkaz:
https://doaj.org/article/be74e94da7d44b059edf346e485f03d9