Ice crystal number concentration measured at mountain-top research stations – What do we measure?
Alexander Beck1, Jan Henneberger2, Jacob P Fugal3, Robert David1, Larissa Larcher1 and Ulrike Lohmann4, (1)ETH Swiss Federal Institute of Technology Zurich, Zurich, Switzerland, (2)ETH Zurich, Zurich, Switzerland, (3)Max Planck Institut für Chemie, Mainz, Germany, (4)ETH Zurich, Institute for Atmospheric and Climate Science, Zurich, Switzerland