Aerosol Investigation During the Arctic Haze Season of 2018: Optical and Microphysical Properties Konstantina Nakoudi, Christine Böckmann, Christoph Ritter, Vasileios Pefanis, Marion Maturilli, Astrid Bracher and Roland Neuber EPJ Web Conf., 237 (2020) 02002 Published online: 07 July 2020 DOI: 10.1051/epjconf/202023702002