Fig. 4From: Quantitative evaluation of mixed biomass burning and anthropogenic aerosols over the Indochina Peninsula using MERRA-2 reanalysis products validated by sky radiometer and MAX-DOAS observationsSeasonal variations in AOD (black), OC AOD (green) and sulfate AOD (purple) in a NWIC, b NEIC and c SIC c from 2009 to 2020. Error bars indicate standard deviationsBack to article page