TY - JOUR A1 - Parrish, D. D. A1 - Law, K. S. A1 - Staehelin, J. A1 - Derwent, R. A1 - Cooper, O. R. A1 - Tanimoto, H. A1 - Volz-Thomas, A. A1 - Gilge, S. A1 - Scheel, H.-E. A1 - Steinbacher, M. A1 - Chan, E. T1 - Long-term changes in lower tropospheric baseline ozone concentrations at northern mid-latitudes JO - Atmos. Chem. Phys. J1 - ACP VL - 12 IS - 23 SP - 11485 EP - 11504 Y1 - 2012/12/04 PB - Copernicus Publications SN - 1680-7324 UR - https://acp.copernicus.org/articles/12/11485/2012/ L1 - https://acp.copernicus.org/articles/12/11485/2012/acp-12-11485-2012.pdf DO - 10.5194/acp-12-11485-2012 ER -