www.atmos-chem-phys-discuss.net/12/1733/2012/ doi:10.5194/acpd-12-1733-2012 © Author(s) 2012. This work is distributed under the Creative Commons Attribution 3.0 License. Introduction to the European Monitoring and Evaluation Programme (EMEP) and observed atmospheric composition change during 1972–2009 Abstract Discussion Paper (PDF, 3490 KB) Special Issue |