Journal of Atmospheric and Environmental Optics, Volume. 20, Issue 4, 484(2025)
Ozone lidar data validation method and case analysis
Figures & Tables(13)
Fig. 2. The correlation map between the measuring position of the national control point and the lidar position
Fig. 4. The results of the comparison between the ozone lidar horizontal detection data and the ozone concentration of the national control point
Fig. 6. Vertical detection data comparison diagram. (a) Ozone radar vertical profile and sounding data; (b) relative error
Fig. 7. Retrieval results of ozone lidar on June 25, 2022. (a) Ozone concentration; (b) extinction; (c) vertical distribution profile
Fig. 8. Results of O3 and PM2.5 concentration changes from June 24 to 25, 2022
Fig. 10. Comparison and analysis of radar data with national control point data
Table 1. Parameters of the ozone lidar
View tableView in ArticleTable 1. Parameters of the ozone lidar
Parameter Value Laser wavelength/nm 266, 289, 316 Laser frequency/Hz 20 Laser single pulse energy/mJ ≥ 50@266 nm Diameter of receiving telescope/mm 300 Receiving angle of view/mrad 0.3–2 (Adjustable) Detection channels 3 Data collection method A/D Effective measurement/km 0.3–3 (Clear air) Spatial resolution/m 7.5–300 (Adjustable) Time resolution/s 1–1800 (Adjustable) Operating temperature/℃ 5–40 Storage temperature/℃ 0–70 Way of working Manual, automatic, and network control Power/kW 3
Table 2. Results of correlation comparison between ozone lidar detection data and national control point data
View tableView in ArticleTable 2. Results of correlation comparison between ozone lidar detection data and national control point data
Lidar detection range/m Average relative error/% Standard deviation/(μg·m-3) Pearson correlation
coefficient
700 8.17 5.46 0.987 800 7.68 5.32 0.986 900 7.80 5.44 0.985 1000 9.34 5.99 0.983
Table 3. Results of correlation comparison between ozone lidar detection data and sounding balloon
View tableView in ArticleTable 3. Results of correlation comparison between ozone lidar detection data and sounding balloon
Time Average relative error/% Standard deviation/(μg·m-3) Pearson correlation coefficient 13:40 8.17 5.77 0.888 13:50 8.35 6.47 0.868 14:20 8.08 6.10 0.867 14:30 8.60 5.74 0.874
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Dachun LU, Peng ZHUANG, Ci SONG, Guanghe SUN, Chenbo XIE. Ozone lidar data validation method and case analysis[J]. Journal of Atmospheric and Environmental Optics, 2025, 20(4): 484
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Received: Jan. 9, 2023
Accepted: --
Published Online: Sep. 30, 2025
The Author Email: Peng ZHUANG (zhuangpeng@ldchina.cn)
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