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20 February 2018 Retrieval method of aerosol extinction coefficient profile by an integral lidar system and case study
Huihui Shan, Hui Zhang , Junjian Liu, Shenhao Wang, Xiaomin Ma, Lianqing Zhang, Dong Liu, Chenbo Xie, Zongming Tao
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Proceedings Volume 10697, Fourth Seminar on Novel Optoelectronic Detection Technology and Application; 106971D (2018) https://doi.org/10.1117/12.2314300
Event: Fourth Seminar on Novel Optoelectronic Detection Technology and Application, 2017, Nanjing, China
Abstract
Aerosol extinction coefficient profile is an essential parameter for atmospheric radiation model. But it is difficult to get the full aerosol extinction profile from the ground to the tropopause especially in near ground precisely using backscattering lidar. A combined measurement of side-scattering, backscattering and Raman-scattering lidar is proposed to retrieve the aerosol extinction coefficient profile from the surface to the tropopause which covered a dynamic range of 5 orders. The side-scattering technique solves the dead zone and the overlap problem caused by the traditional lidar in the near range. Using the Raman-scattering the aerosol lidar ratio (extinction to backscatter ratio) can be obtained. The cases studies in this paper show the proposed method is reasonable and feasible.
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Huihui Shan, Hui Zhang , Junjian Liu, Shenhao Wang, Xiaomin Ma, Lianqing Zhang, Dong Liu, Chenbo Xie, and Zongming Tao "Retrieval method of aerosol extinction coefficient profile by an integral lidar system and case study", Proc. SPIE 10697, Fourth Seminar on Novel Optoelectronic Detection Technology and Application, 106971D (20 February 2018); https://doi.org/10.1117/12.2314300
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KEYWORDS
LIDAR
Aerosols
Backscatter
Raman spectroscopy
Signal detection
Atmospheric optics
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