3. Xu, L., Y. Peng*, K. Ram, Y. Zhang, M. Bao, & J. Wei, 2021. Investigation of the uncertainties of simulated optical properties of brown carbon at two Asian sites using a modified bulk aerosol optical scheme of the Community Atmospheric Model version 5.3. Journal of Geophysical Research: Atmospheres, 126, e2020JD033942. https://doi.org/10.1029/2020JD033942