Long-term Cloud Condensation nuclei (CCN) Activity, Variability and Closure Analysis at a Meteorological Tower in Western Europe


Caiqing Yan1, Xinxin Busch Li1, Defeng Zhao1, Sebastian H. Schmitt2, Thorsten Hohaus3, Julia Perim de Faria1, Andreas Petzold4, Astrid Kiendler-Scharr3, Qi Zhang5, Susanne Crewell6 and Thomas F Mentel7, (1)Forschungszentrum Jülich GmbH, Institute of Energy and Climate Research, IEK-8: Troposphere, Jülich, Germany, (2)Forschungszentrum Jülich, Institute of Energy and Climate Research, IEK-8: Troposphere, Jülich, Germany, (3)Forschungszentrum Jülich GmbH, Institute of Climate and Energy Systems, Troposphere (ICE-3), Jülich, Germany, (4)Forschungszentrum Jülich, Institute of Energy and Climate Research - Troposphere (IEK-8), Jülich, Germany, (5)University of California Davis, Department of Environmental Toxicology, Davis, United States, (6)University of Cologne, Institute for Geophysics and Meteorology, Cologne, Germany, (7)Forschungszentrum Jülich GmbH, Institute of Energy and Climate Research, Troposphere (IEK-8), Jülich, Germany