<b>Observation data at Shaartuz</b>

Ground observation data used in the article, including the attenuated backscatter coefficient (ABC) and the volume depolarization ratio (VDR) detected by lidar, aerosol optical depth (AOD), Ångström exponent (AE), and water vapor column content (WV) detected by sun sky lunar photometer, downward shortwave radiation flux, upward shortwave radiation flux, downward longwave radiation flux, upward longwave radiation flux, surface albedo detected by automatic meteorological station.