TY - JOUR A1 - Tang, G. A1 - Wang, Y. A1 - Li, X. A1 - Ji, D. A1 - Hsu, S. A1 - Gao, X. T1 - Spatial-temporal variations in surface ozone in Northern China as observed during 2009–2010 and possible implications for future air quality control strategies JO - Atmos. Chem. Phys. J1 - ACP VL - 12 IS - 5 SP - 2757 EP - 2776 Y1 - 2012/03/15 PB - Copernicus Publications SN - 1680-7324 UR - http://www.atmos-chem-phys.net/12/2757/2012/ L1 - http://www.atmos-chem-phys.net/12/2757/2012/acp-12-2757-2012.pdf DO - 10.5194/acp-12-2757-2012 ER -