Dr. Wei Ying of the IUM et al. developed a sub-grid particle formation(SGPF) parameterization scheme suitable for the highly oxidized atmospheric environment of regions in China based on the atmospheric chemical transport model (IAP-AACM+APM) coupled with the Advanced Particle Microphysics; the oxidation ratio of SO2 in plumes and the mass concentration and numerical concentration of the generated sub-grid aerosols have significant spatial and temporal variations, showing significant differences between the central and western regions of China with different pollutant emission characteristics.

Concept diagram of subgrid particle parameterization scheme

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