NAOC Open IR
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, Teng-Fei7; 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
2020-06-01
Source PublicationRESEARCH IN ASTRONOMY AND ASTROPHYSICS
ISSN1674-4527
Volume20Issue:6Pages:13
AbstractA 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.
Keywordmethods statistical site testing atmospheric effects MODIS
Funding OrganizationOperation, Maintenance and Upgrading Fund for Astronomical Telescopes and Facility Instruments, budgeted from the Ministry of Finance of China (MOF) ; 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 ; National Natural Science Foundation of China ; CAS PIFI ; CAS PIFI ; UK STFC ; UK STFC ; Operation, Maintenance and Upgrading Fund for Astronomical Telescopes and Facility Instruments, budgeted from the Ministry of Finance of China (MOF) ; 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 ; National Natural Science Foundation of China ; CAS PIFI ; CAS PIFI ; UK STFC ; UK STFC ; Operation, Maintenance and Upgrading Fund for Astronomical Telescopes and Facility Instruments, budgeted from the Ministry of Finance of China (MOF) ; 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 ; National Natural Science Foundation of China ; CAS PIFI ; CAS PIFI ; UK STFC ; UK STFC ; Operation, Maintenance and Upgrading Fund for Astronomical Telescopes and Facility Instruments, budgeted from the Ministry of Finance of China (MOF) ; 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 ; National Natural Science Foundation of China ; CAS PIFI ; CAS PIFI ; UK STFC ; UK STFC
DOI10.1088/1674-4527/20/6/81
WOS KeywordCOVER CHANGES ; MODIS ; SKY
Language英语
Funding ProjectOperation, 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]
Funding OrganizationOperation, Maintenance and Upgrading Fund for Astronomical Telescopes and Facility Instruments, budgeted from the Ministry of Finance of China (MOF) ; 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 ; National Natural Science Foundation of China ; CAS PIFI ; CAS PIFI ; UK STFC ; UK STFC ; Operation, Maintenance and Upgrading Fund for Astronomical Telescopes and Facility Instruments, budgeted from the Ministry of Finance of China (MOF) ; 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 ; National Natural Science Foundation of China ; CAS PIFI ; CAS PIFI ; UK STFC ; UK STFC ; Operation, Maintenance and Upgrading Fund for Astronomical Telescopes and Facility Instruments, budgeted from the Ministry of Finance of China (MOF) ; 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 ; National Natural Science Foundation of China ; CAS PIFI ; CAS PIFI ; UK STFC ; UK STFC ; Operation, Maintenance and Upgrading Fund for Astronomical Telescopes and Facility Instruments, budgeted from the Ministry of Finance of China (MOF) ; 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 ; National Natural Science Foundation of China ; CAS PIFI ; CAS PIFI ; UK STFC ; UK STFC
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000545664700001
PublisherNATL ASTRONOMICAL OBSERVATORIES, CHIN ACAD SCIENCES
Citation statistics
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/82888
Collection中国科学院国家天文台
Corresponding AuthorCao, Zi-Huang
Affiliation1.Chinese Acad Sci, Natl Astron Observ, Beijing 100101, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Shanghai Astron Observ, Shanghai 200030, Peoples R China
4.Univ Hertfordshire, Ctr Astrophys, Hatfield, Herts, England
5.Commun Univ China, Sch Journalism, Beijing 100024, Peoples R China
6.Chinese Acad Sci, Xinjiang Astron Observ, Urumqi 830011, Peoples R China
7.Chinese Acad Sci, Yunnan Observ, Kunming 650216, Yunnan, Peoples R China
Recommended Citation
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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