Fig. 1. Schematic diagram of the confidence level analysis of historical aerosol lidar ratio data

Fig. 2. Historical literature data distribution of various aerosol lidar ratios

Fig. 3. Confidence level distribution and its Gaussian fitting curves of historical aerosol lidar ratio data

Fig. 4. Distribution box diagrams of confidence level of historical aerosol lidar ratio data at different wavelengths. (a) 355 nm; (b) 532 nm

Fig. 5. Distribution box diagrams of confidence level of historical lidar ratio data for Asian dust, Middle Eastern dust, and Saharan dust aerosols at different wavelengths. (a) 355 nm; (b) 532 nm

Fig. 6. Comparison box plot of confidence level of historical lidar ratio data (thick line) and simulation data (thin line)

Fig. 7. Distribution of the results of all weight combinations satisfying the conditions of the fuzzy comprehensive evaluation method. (a) Distribution of weight combinations that meet importance ranking; (b) variation of the product of the weight vector covariance σ and the proportion of the box interval q at 355 nm wavelength for different types of aerosols with weight selection; (c) variation of the product of the weight vector covariance σ and the proportion of the box interval q at 532 nm wavelength for different types of aerosols with weight selection