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Long-term analysis of clear nights using satellite data considering astronomical sites in western China
Cao, Zi-Huang1,2; Liu, Li-Yong1; Zhao, Yong-Heng1,2; Feng, Lu1; Jones, Hugh R. A.4; Shen, Huang5; Hao, Jin-Xin1; Xue, Yan-Jie1; Yao, Yong-Qiang1; Xu, Jing2,6; Esamdin, Ali2,6; Qi, Zhao-Xiang2,3; Shi, Jian-Rong1,2; Li, Jian1; Tian, Yuan1; Wang, Zheng1,2; Yan, Tai-Sheng2; Wang, Xia1; Xiong, Jian-Ping2; Yu, Si-Cheng1; Zhang, Jun-Bo1; Shen, Zhi-Xia1; Jiang, Yun-Ying1; Yin, Jia1; Pu, Guang-Xin6; Wei, Peng6; Bai, Chun-Hai6; Feng, Guo-Jie2,6; Ma, Lu6; Song TF(宋腾飞)7; Wang, Jian-Feng1; Tian, Jian-Feng1; Zeng, Xian-Qun1; Hou, Zhi-Gang1; Liao, Shi-Long2; Cao, Zhi-Song1; Fan, Dong-Wei1; Xu, Yun-Fei1,2; Li, Chang-Hua1; Tao, Yi-Han1
发表期刊RESEARCH IN ASTRONOMY AND ASTROPHYSICS
2020-06-01
卷号20期号:6页码:13
DOI10.1088/1674-4527/20/6/81
产权排序第7完成单位
收录类别SCI
关键词methods statistical site testing atmospheric effects MODIS
摘要

A large ground-based optical/infrared telescope is being planned for a world-class astronomical site in China. The cloud-free night percentage is the primary meteorological consideration for evaluating candidate sites. The data from GMS and NOAA satellites and the MODIS instrument were utilized in this research, covering the period from 1996 to 2015. Our data analysis benefits from overlapping results from different independent teams as well as a uniform analysis of selected sites using GMS+NOAA data. Although significant ground-based monitoring is needed to validate these findings, we identify three different geographical regions with a high percentage of cloud-free conditions (similar to 83% on average), which is slightly lower than at Mauna Kea and Cerro Armazones (similar to 85% on average) and were chosen for the large international projects TMT and ELT respectively. Our study finds evidence that cloud distributions and the seasonal changes affected by the prevailing westerly winds and summer monsoons reduce the cloud cover in areas influenced by the westerlies. This is consistent with the expectations from climate change models and is suggestive that most of the identified sites will have reduced cloud cover in the future.

资助项目Operation, Maintenance and Upgrading Fund for Astronomical Telescopes and Facility Instruments, budgeted from the Ministry of Finance of China (MOF) ; National Natural Science Foundation of China[11573054] ; National Natural Science Foundation of China[11703065] ; National Natural Science Foundation of China[11603044] ; National Natural Science Foundation of China[11873081] ; CAS PIFI ; UK STFC[ST/R006598/1]
项目资助者Operation, Maintenance and Upgrading Fund for Astronomical Telescopes and Facility Instruments, budgeted from the Ministry of Finance of China (MOF) ; National Natural Science Foundation of China[11573054, 11703065, 11603044, 11873081] ; CAS PIFI ; UK STFC[ST/R006598/1]
语种英语
学科领域天文学 ; 天体物理学 ; 实测天体物理学 ; 天文学其他学科
学科门类理学 ; 理学::天文学
文章类型Article
出版者NATL ASTRONOMICAL OBSERVATORIES, CHIN ACAD SCIENCES
出版地20A DATUN RD, CHAOYANG, BEIJING, 100012, PEOPLES R CHINA
ISSN1674-4527
URL查看原文
WOS记录号WOS:000545664700001
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]COVER CHANGES ; MODIS ; SKY
引用统计
被引频次:12[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/23521
专题选址与日冕观测组
通讯作者Cao, Zi-Huang
作者单位1.National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100101, China
2.University of Chinese Academy of Sciences, Beijing 100049, China
3.Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai 200030, China
4.Centre for Astrophysics, University of Hertfordshire, Hatfield, UK
5.School of Journalism, Communication University of China, Beijing 100024, China
6.Xinjiang Astronomical Observatory, Chinese Academy of Sciences, Urumqi 830011, China
7.Yunnan Observatories, Chinese Academy of Sciences, Kunming 650216, China
推荐引用方式
GB/T 7714
Cao, Zi-Huang,Liu, Li-Yong,Zhao, Yong-Heng,et al. Long-term analysis of clear nights using satellite data considering astronomical sites in western China[J]. RESEARCH IN ASTRONOMY AND ASTROPHYSICS,2020,20(6):13.
APA Cao, Zi-Huang.,Liu, Li-Yong.,Zhao, Yong-Heng.,Feng, Lu.,Jones, Hugh R. A..,...&Tao, Yi-Han.(2020).Long-term analysis of clear nights using satellite data considering astronomical sites in western China.RESEARCH IN ASTRONOMY AND ASTROPHYSICS,20(6),13.
MLA Cao, Zi-Huang,et al."Long-term analysis of clear nights using satellite data considering astronomical sites in western China".RESEARCH IN ASTRONOMY AND ASTROPHYSICS 20.6(2020):13.
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