On the use cirrus clouds for ground-based elastic lidar calibration

被引：0
|
作者：
Navas-Guzman, F. [1 ,2 ]
Guerrero-Rascado, J. L. [2 ]
Bravo-Aranda, J. A. [2 ]
Alados-Arboledas, L. [2 ]
机构：
[1] Andalusian Ctr Environm Res, Atmospher Phys Grp, Granada, Spain
[2] Univ Granada, Sci Fac, E-18071 Granada, Spain
来源：
OPTICA PURA Y APLICADA | 2011年 / 44卷 / 01期
关键词：
Lidar; Reference Height; Cirrus Clouds; Backscatter Coefficient; Klett's Inversion;
D O I：
暂无
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A key parameter to retrieve backscatter coefficient from elastic lidar signals is the backscatter coefficient at a reference height. Traditionally, such a calibration height must fulfil the criterion that at this altitude the particle backscatter coefficient is negligible compared to the molecular backscatter value. Such clean-air conditions are normally given in the upper troposphere. This procedure cannot be applied for those channels that present low signal-to-noise ratio (SNR) at the reference height. To solve this problem an alternative calibration method using cirrus clouds is presented.
引用
收藏
页码：49 / 53
页数：5
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