Method for correcting extinction profile of Mie scattering lidar based on UAV-borne aerosol radiosonde

Xuebin Ma; Changyu Liu; Yang Wu; Kaixuan Yang; Nana Liu; Tao Luo; Xuebin Li

doi:10.1117/12.2625955

27 March 2022 Method for correcting extinction profile of Mie scattering lidar based on UAV-borne aerosol radiosonde

Xuebin Ma, Changyu Liu, Yang Wu, Kaixuan Yang, Nana Liu, Tao Luo, Xuebin Li

Proceedings Volume 12169, Eighth Symposium on Novel Photoelectronic Detection Technology and Applications; 12169AL (2022) https://doi.org/10.1117/12.2625955
Event: Eighth Symposium on Novel Photoelectronic Detection Technology and Applications, 2021, Kunming, China

Abstract

Mie-scattering lidar is an active remote sensing tool for inverting atmospheric properties by detecting the interaction between lasers and various molecules and aerosol particles in the atmosphere. It has become a powerful detection tool for atmospheric aerosols. However, whether it is a coaxial or parallel-axis laser radar, the accuracy of measurement and inversion in the blind zone and transition zone needs to be improved. This paper studies and establishes a new method of the Mie scattering lidar extinction profile correction based on the UAV-borne aerosol radiosonde. In this method, the UAV (unmanned aerial vehicle) is equipped with an optical aerosol radiosonde (Portable Optical Particle Profiler, POPS), and measures particle spectrum information and related meteorological parameters in the same detection path as lidar. Therefore, by using the Mie scattering theory simulation, the aerosol extinction profile in the lidar short-range blind zone and transition zone can be derived from the UAV-borne aerosol radiosonde data. The horizontal measurement verification test shows that the near-ground extinction coefficient by the new UAV method is in good agreement with that obtained by the lidar Collis slope method.

Citation Download Citation

Xuebin Ma, Changyu Liu, Yang Wu, Kaixuan Yang, Nana Liu, Tao Luo, and Xuebin Li "Method for correcting extinction profile of Mie scattering lidar based on UAV-borne aerosol radiosonde", Proc. SPIE 12169, Eighth Symposium on Novel Photoelectronic Detection Technology and Applications, 12169AL (27 March 2022); https://doi.org/10.1117/12.2625955

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KEYWORDS

Aerosols

LIDAR

Atmospheric particles

Refractive index

Mie scattering

Radio optics

Signal attenuation

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