A study on typical aerosol extinction profile under clear-sky condition in Beijing measured by ground-based Lidar

被引：0
|
作者：
Lv, Yang [1 ,2 ]
Chen, Xingfeng [1 ]
Li, Zhengqiang [1 ]
Liu, Zhao [1 ,2 ]
Xu, Hua [1 ]
Li, Donghui [1 ]
Zhang, Wanchun [1 ,2 ]
Li, Kaitao [1 ,2 ]
Zhang, Ying [1 ]
机构：
[1] Chinese Acad Sci, Inst Remote Sensing & Digital Earth, State Environm Protect Key Lab Satellite Remote S, Beijing, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
来源：
AOPC 2015: TELESCOPE AND SPACE OPTICAL INSTRUMENTATION | 2015年 / 9678卷
关键词：
Aerosol vertical distribution; Beijing; Lidar; clear sky condition; NETWORK; AERONET;
D O I：
10.1117/12.2202946
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Information on the vertical distribution of aerosol is important for understanding its transport characteristics as well as aerosol retrieval uncertainty. In this paper, the believable lidar ratio under clear sky condition during December 2014 is determined from ground-based lidar and sun-photometer site in Beijing. Then two methods are adopted to derive typical aerosol extinction profiles by averaging attenuated backscatter and retrieved extinction profiles respectively. The results indicate that the former vertical gradient of dispersion (standard deviation) is smaller than the latter. Moreover, the comparison of the aerosol extinction coefficient profiles shows a good consistency above 2km but significant difference below that altitude.
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页数：5
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