Fig. 1. Schematic diagram of UV multi-wavelength lidar system

Fig. 2. Tropospheric ozone mass concentration profile and their statistical error at 7.5 m spatial resolution. (a) Tropospheric ozone mass concentration profile; (b) statistical error

Fig. 3. Aerosol extinction coefficient profile based on lidar data at 396 nm

Fig. 4. Ozone measurement errors caused by aerosol extinction coefficient and atmospheric backscatter coefficient based on different aerosol extinction backscatter ratios. (a)‒(c) Ozone measurement error caused by aerosol extinction coefficient at S_aer =25, 50, 75; (d)‒(f) ozone measurement error caused by atmospheric backscatter coefficient at S_aer =25, 50, 75

Fig. 5. Ozone measurement errors and corrected ozone mass concentration profiles caused by atmospheric extinction and backscatter coefficients based on different aerosol extinction backscatter ratios. (a)‒(c) Ozone measurement errors caused by atmospheric extinction and backscatter coefficients at S_aer=25, 50, and 75; (d)‒(f) corrected ozone mass concentration profiles at S_aer=25, 50, and 75

Fig. 6. Ozone measurement error and ozone mass concentration profiles based on backscatter ratios of 1.002, 1.010, and 1.050. (a) Ozone measurement error caused by aerosol extinction coefficient; (b) ozone measurement error caused by atmospheric backscatter coefficient; (c) ozone measurement errors caused by atmospheric extinction and backscatter coefficients; (d) ozone mass concentration profile

Fig. 7. Inversion process of ozone mass concentration and AE

Fig. 8. Ozone mass concentration at 5 time points and aerosol extinction coefficient profile and aerosol wavelength index are inverted using 396 nm lidar signals. (a) Ozone mass concentration; (b) inversion of aerosol extinction coefficient profile using 396 nm lidar signal ; (c) aerosol wavelength exponent

Fig. 9. Mass concentration of surface hourly particulate matter

Fig. 10. Retrieved ozone mass concentration errors. (a) Ozone mass concentration measured when AE is 1 or AE is an accurate value; (b) ozone mass concentration measured by 396 nm laser signal at S_aer of 61.22 or S_aer of 72.75; (c) ozone mass concentration measured by 396 nm laser signal at S_aer of 84.28 or S_aer of 72.75