Analysis of N2O isotopic composition at a tall tower in central Switzerland to identify emission sources and hot spots

Erkan Ibraim1, Joachim Mohn2, Eliza Jean Harris1, Stephan Henne1, Simon Eyer1, Tobias Denk3, Benjamin Wolf4, Béla Tuzson5, Lukas Emmenegger6, Klaus Butterbach-Bahl3 and Johan Six7, (1)Swiss Federal Institute for Materials Science and Technology, Dubendorf, Switzerland, (2)Empa, Laboratory for Air Pollution / Environmental Technology, Dübendorf, Switzerland, (3)Karlsruhe Institute of Technology, Karlsruhe, Germany, (4)Karlsruhe Institute of Technology (KIT), Campus Alpin - Institute of Meteorology and Climate Research (IMK-IFU), Garmisch-Partenkirchen, Germany, (5)Empa, Laboratory for Air Pollution & Environmental Technology, Duebendorf, Switzerland, (6)Empa, Swiss Federal Laboratories for Materials Science and Technology, Duebendorf, Switzerland, (7)ETH Swiss Federal Institute of Technology Zurich, Zurich, Switzerland