Feng LI, Jing-jing LIN, Jie YUN, Shuai ZHANG, He WANG, Hai ZHANG, Zong-ming TAO. Analysis on Variation Characteristics of Air Pollution in Jining City Based on Lidars Networking Observation[J]. Spectroscopy and Spectral Analysis, 2022, 42(11): 3467
- Spectroscopy and Spectral Analysis
- Vol. 42, Issue 11, 3467 (2022)
Fig. 1. Administrative divisions of Jining City and lidar distribution
Fig. 2. The structure diagram of aerosol lidar
Fig. 3. Calibration of geometric factors of aerosol lidar with CCD camera (a and b), the signal after cross section uniformity calibration (c), the test signal of atmospheric Rayleigh scattering (d)
Fig. 4. Normalized values of aerosol optical depths measured by lidar and particle (PM2.5 and PM10) concentrations obtained from state controlling air sampling sites
Fig. 5. Cumulative percentage monthly change of days for each air quality level in Jining
Fig. 6. Normalized values of aerosol optical depth measured by lidar
Fig. 7. Lidar-Based extinction timing maps at each station from May 1 to 8, 2019
(a): Jinma Hotel; (b): Yunhe Building; (c): Rencheng Government; (d): Cisen Pharmaceutical Co., Ltd.
(a): Jinma Hotel; (b): Yunhe Building; (c): Rencheng Government; (d): Cisen Pharmaceutical Co., Ltd.
Fig. 8. Observation results of lidar from April 14 to 15, 2018
(a): Extinction timing diagram; (b): Depolarization timing diagram
(a): Extinction timing diagram; (b): Depolarization timing diagram
Fig. 9. Particle concentration from April 14th to 15th, 2018
Fig. 10. Backward trajectory from April 14th to 15th, 2018
Fig. 11. The horizontal scanning result by Lidar at Rencheng government station
(a): May 7, 2018; (b): April 14, 2018
(a): May 7, 2018; (b): April 14, 2018
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Table 1. Specifications of aerosol lidar
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