TY - JOUR A1 - Cheng, X. A1 - Ma, J. A1 - Jin, J. A1 - Guo, J. A1 - Liu, Y. A1 - Peng, J. A1 - Ma, X. A1 - Qian, M. A1 - Xia, Q. A1 - Yan, P. T1 - Retrieving tropospheric NO2 vertical column densities around the city of Beijing and estimating NOx emissions based on car MAX-DOAS measurements JO - Atmos. Chem. Phys. J1 - ACP VL - 20 IS - 17 SP - 10757 EP - 10774 Y1 - 2020/09/14 PB - Copernicus Publications SN - 1680-7324 UR - https://acp.copernicus.org/articles/20/10757/2020/ L1 - https://acp.copernicus.org/articles/20/10757/2020/acp-20-10757-2020.pdf DO - 10.5194/acp-20-10757-2020 ER -