TY - JOUR A1 - Yang, L. A1 - Duan, W. A1 - Wang, Z. A1 - Yang, W. T1 - Toward target observations of the meteorological initial state for improving the PM2.5 forecast of a heavy haze event that occurred in the Beijing-Tianjin-Hebei region JO - Atmos. Chem. Phys. Discuss. J1 - ACPD VL - 2022 SP - 1 EP - 37 Y1 - 2022/03/17 PB - Copernicus Publications SN - 1680-7375 UR - https://acp.copernicus.org/preprints/acp-2022-77/ L1 - https://acp.copernicus.org/preprints/acp-2022-77/acp-2022-77.pdf DO - 10.5194/acp-2022-77 ER -