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Optical turbulence and wind speed distributions above the Tibetan Plateau from balloon-borne microthermal measurements

文献类型：期刊论文

作者Qing, Chun1,2; Luo, Tao1,2; Bi, Cuicui1,2,3; Li, Xuebin1,2; Cui, Shengcheng1,2; Yang, Qike1,2,3; Su, Changdong1,2,3; Wu, Su1,2,3; Qian, Xianmei1,2; Wu, Xiaoqing1,2
刊名MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
出版日期2021-12-01
卷号508
关键词turbulence atmospheric effects methods: data analysis site testing
ISSN号0035-8711
DOI10.1093/mnras/stab2608
通讯作者Qing, Chun(chunqing@aiofm.ac.cn) ; Wu, Xiaoqing(xqwu@aiofm.ac.cn) ; Zhu, Wenyue(zhuwenyue@aiofm.ac.cn)
英文摘要The vertical profiles of wind speed and the optical turbulence are critical to the design and operation of a new generation of highly sophisticated astronomical telescopes and adaptive optics instrumentation. We present the first study of the temporal evolution behaviours and probability distributions of wind speed [V(h) profiles, as well as the 200 hPa pressure level wind speed, V-200] and optical turbulence [C-n(2) (h) profiles, and the most relevant integrated astronomical parameters derived from C-n(2) (h) profiles, i.e. the seeing epsilon, the isoplanatic angle theta(AO), the wavefront coherence time tau(AO), the average velocity of turbulence V-AO, and the seeing layer height h(AO)] above the Dachaidan site of the Tibetan Plateau. The field campaigns of wind speed and optical turbulence were collected using the balloon-borne microthermal measurement system. From the whole field campaigns, the results are remarkable: The median V-AO is 21.1 m s(-1), the median V-200 is 32.5 m s(-1), the median h(AO) is 7566 m, the median epsilon is 1.04 arcsec (below 1.00 arcsec 52 per cent of the time), the median theta(AO) is 0.74 arcsec, and the median tau(AO) is 1.33 ms; these conditions are comparable to some of the best astronomical observatories in the world. In particular, the linear relationship of average velocity and 200 hPa level wind at this site is V-AO = 0.627V(200). In this study, we flag the temporal evolution and probability distribution feature of wind speed, optical turbulence profile, and the relevant integrated astronomical parameters for astronomical applications.
WOS关键词DOME-C ; ATMOSPHERIC-TURBULENCE ; SURFACE-LAYER ; SEEING CONDITIONS ; ADAPTIVE OPTICS ; MAUNA-KEA ; SIMULATIONS ; PARAMETERS ; PROFILES ; MODEL
资助项目Strategic Priority Research Program of the Chinese Academy of Sciences[XDA17010104] ; Foundation of Key Laboratory of Science and Technology Innovation of Chinese Academy of Sciences[CXJJ-19S028]
WOS研究方向Astronomy & Astrophysics
语种英语
WOS记录号WOS:000715888600066
出版者OXFORD UNIV PRESS
资助机构Strategic Priority Research Program of the Chinese Academy of Sciences ; Foundation of Key Laboratory of Science and Technology Innovation of Chinese Academy of Sciences
源URL[http://ir.hfcas.ac.cn:8080/handle/334002/126822]  
专题中国科学院合肥物质科学研究院
通讯作者Qing, Chun; Wu, Xiaoqing; Zhu, Wenyue
作者单位1.Adv Laser Technol Lab Anhui Prov, Hefei 230037, Anhui, Peoples R China
2.Chinese Acad Sci, Anhui Inst Opt & Fine Mech, Key Lab Atmospher Opt, HFIPS, Hefei 230031, Anhui, Peoples R China
3.Univ Sci & Technol China, Grad Sch, Sci Isl Branch, Hefei 230026, Anhui, Peoples R China
推荐引用方式
GB/T 7714		 Qing, Chun,Luo, Tao,Bi, Cuicui,et al. Optical turbulence and wind speed distributions above the Tibetan Plateau from balloon-borne microthermal measurements[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2021,508.
APA Qing, Chun.,Luo, Tao.,Bi, Cuicui.,Li, Xuebin.,Cui, Shengcheng.,...&Zhu, Wenyue.(2021).Optical turbulence and wind speed distributions above the Tibetan Plateau from balloon-borne microthermal measurements.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,508.
MLA Qing, Chun,et al."Optical turbulence and wind speed distributions above the Tibetan Plateau from balloon-borne microthermal measurements".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 508(2021).

入库方式： OAI收割

来源：合肥物质科学研究院

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