TY - JOUR A1 - Ma, X. A1 - Yu, F. A1 - Luo, G. T1 - Aerosol direct radiative forcing based on GEOS-Chem-APM and uncertainties JO - Atmos. Chem. Phys. Discuss. J1 - ACPD VL - 12 IS - 1 SP - 193 EP - 240 Y1 - 2012/01/03 PB - Copernicus Publications SN - 1680-7375 UR - http://www.atmos-chem-phys-discuss.net/12/193/2012/ L1 - http://www.atmos-chem-phys-discuss.net/12/193/2012/acpd-12-193-2012.pdf DO - 10.5194/acpd-12-193-2012 ER -