globalchange  > 全球变化的国际研究计划
DOI: 10.1002/joc.5826
Scopus ID: 2-s2.0-85052815606
Title:
Spatiotemporal distributions of cloud parameters and their response to meteorological factors over the Tibetan Plateau during 2003–2015 based on MODIS data
Author: Bao S.; Letu H.; Zhao J.; Shang H.; Lei Y.; Duan A.; Chen B.; Bao Y.; He J.; Wang T.; Ji D.; Tana G.; Shi J.
Source Publication: International Journal of Climatology
ISSN: 8998418
Publishing Year: 2019
Volume: 39, Issue:1
pages begin: 532
pages end: 543
Language: 英语
Keyword: cloud cover ; cloud radiative forcing ; temperature ; Tibetan plateau ; water vapour
Scopus Keyword: Atmospheric radiation ; Climate change ; Optical properties ; Radiometers ; Temperature ; Water vapor ; Air temperature variations ; Cloud cover ; Cloud optical thickness ; Cloud radiative forcing ; Spatio-temporal variation ; Spatiotemporal distributions ; Tibetan Plateau ; Water vapour ; Atmospheric temperature ; cloud cover ; cloud radiative forcing ; data set ; MODIS ; optical property ; spatiotemporal analysis ; temperature effect ; water vapor ; China ; Qinghai-Xizang Plateau
English Abstract: The Tibetan Plateau (TP) has important influences on regional and global climate change. Here, we perform an in-depth study of the relationship between cloud parameters and meteorological factors over the TP. The spatiotemporal variations in cloud cover and cloud optical thickness over the TP during the daytime from 2003 to 2015 are analysed using the Aqua-MODIS level 2 atmospheric product data MYD06. Results show that the annual average cloud cover over the TP decreases from the southeast to the northwest. The cloud cover of the western TP is highest in spring and lowest in autumn, while the cloud cover of the eastern TP is higher in spring and summer. The cloud covers in most areas of the TP exceed 30% in spring and summer, and the cloud optical thickness in the southeastern TP exceeds 10 in summer, with substantial cloud cover and cloud optical thickness changes. Compared to other seasons, the cooling effect of the near surface cloud net radiative forcing is greater during daytime in summer, which is likely associated with thick cloud optical thickness or large cloud cover. The results of the analysis of relationships among cloud cover, water vapour and air temperature show that positive correlations exist between cloud cover and water vapour, and that significantly negative correlations exist between cloud cover and air temperature over the TP. Combined with the analysis of variation features in the cloud parameters and meteorological factors, we find that water vapour variations during the daytime over the TP lead to cloud cover changes, which affect the air temperature variations over the TP by the cooling effects of clouds, especially in summer. © 2018 Royal Meteorological Society
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被引频次[WOS]:1   [查看WOS记录]     [查看WOS中相关记录]
Document Type: 期刊论文
Identifier: http://119.78.100.158/handle/2HF3EXSE/116672
Appears in Collections:全球变化的国际研究计划

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Affiliation: College of Geography and Environmental Science, Northwest Normal University, Lanzhou, China; College of Geography Science, Inner Mongolia Normal University, Hohhot, China; State Key Laboratory of Remote Sensing Science, Institute of Remote Sensing and Digital Earth Chinese Academy of Sciences, Beijing, China; State Key Laboratory of Numerical Modelling for Atmospheric Sciences and Geophysical Fluid Dynamics, Institute of Atmospheric Physics Chinese Academy of Sciences, Beijing, China; College of Resource Environment and Earth Science, Yunnan University, Kunming, China; College of Global Change and Earth System Science, Beijing Normal University, Beijing, China

Recommended Citation:
Bao S.,Letu H.,Zhao J.,et al. Spatiotemporal distributions of cloud parameters and their response to meteorological factors over the Tibetan Plateau during 2003–2015 based on MODIS data[J]. International Journal of Climatology,2019-01-01,39(1)
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