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Statistics and analysis of high-altitude wind above the western Tibetan Plateau
Qian, Xuan1; Yao, Yongqiang1; Wang, Hongshuai2; Zou, Lei3; Li, Yao1,4
2020-11-01
Source PublicationMONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
ISSN0035-8711
Volume498Issue:4Pages:5786-5797
AbstractThis article aims at studying the characteristics of high-altitude wind at the Ali Observatory on the western Tibetan Plateau, as the high-altitude wind has been put forward as a critical parameter for site evaluation, especially for adaptive optics. We have run a meso-scale numerical weather research and forecasting (WRF) model in three nested domains with different horizontal resolutions, centred at the Ali Observatory; the model results with the highest horizontal resolution of 1 km and temporal resolution of 0.5 h are presented, and also statistical analyseis of vertical wind profiles and 200 hPa wind speed are performed. Moreover, comparisons of wind speeds obtained from model and radiosoundings are presented; as the vertical resolution has been proved to be key to the estimation of optical turbulence with meso-scale models, the vertical resolutions are both set to 50 m for wind profiles, which reveals a high level of agreement and provides a useful tool for site assessment. The results prove the good character of the high-altitude wind over the Ali region, especially in summer half year, with a yearly median 200 hPa wind speed of 33.6 ms(-1) in 2016, and also provide proof of the potential advantage of the Ali Observatory for adaptive optics. Furthermore, we certify that meso-scale models can offer dependable estimation of high-altitude wind over the Tibetan Plateau; the wind simulations provided by the WRF model will be of great benefit for adaptive optics, which also provides the vertical distributions of C-N(2) and tau(0) above astronomical observatories.
Keywordatmospheric effects methods: numerical methods: data analysis site testing
Funding OrganizationNational Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC)
DOI10.1093/mnras/staa2662
WOS KeywordSAN-PEDRO-MARTIR ; OPTICAL TURBULENCE ; VERTICAL-DISTRIBUTION ; VELOCITY ; RESOLUTION ; SPEED
Language英语
Funding ProjectNational Natural Science Foundation of China (NSFC)[11973004] ; National Natural Science Foundation of China (NSFC)[11653005] ; National Natural Science Foundation of China (NSFC)[11203044]
Funding OrganizationNational Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC)
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000587755500085
PublisherOXFORD UNIV PRESS
Citation statistics
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/80862
Collection中国科学院国家天文台
Corresponding AuthorQian, Xuan
Affiliation1.Chinese Acad Sci, Natl Astron Observ China, 20A Datun Rd, Beijing 100101, Peoples R China
2.Kaiyang Space Technol Co Ltd, 8 Malianwa North Rd, Beijing 100085, Peoples R China
3.Chinese Acad Sci, Key Lab Water Cycle & Related Land Surface Proc, Inst Geog Sci & Nat Resources Res, 11 Datun Rd, Beijing 100101, Peoples R China
4.Univ Chinese Acad Sci, 19A Yuquan Rd, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Qian, Xuan,Yao, Yongqiang,Wang, Hongshuai,et al. Statistics and analysis of high-altitude wind above the western Tibetan Plateau[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2020,498(4):5786-5797.
APA Qian, Xuan,Yao, Yongqiang,Wang, Hongshuai,Zou, Lei,&Li, Yao.(2020).Statistics and analysis of high-altitude wind above the western Tibetan Plateau.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,498(4),5786-5797.
MLA Qian, Xuan,et al."Statistics and analysis of high-altitude wind above the western Tibetan Plateau".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 498.4(2020):5786-5797.
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