Long-term observations of tropospheric particle number size distributions and equivalent black carbon mass concentrations in the German Ultrafine Aerosol Network (GUAN)

Wolfram Birmili, Kay Weinhold, Fabian Rasch, André Sonntag, Jia Sun, Maik Merkel, Alfred Wiedensohler, Susanne Bastian, Alexander Schladitz, Gunter Löschau, Josef Cyrys, Mike Pitz, Jianwei Gu, Thomas Kusch, Harald Flentje, Ulrich Quass, Heinz Kaminski, Thomas A.J. Kuhlbusch, Frank Meinhardt, Andreas Schwerin, Olaf Bath, Ludwig Ries, Holger Gerwig, Klaus Wirtz, Markus Fiebig