Properties of arctic haze aerosol from lidar observations during iarea 2015 campaign on spitsbergen Iwona S. Stachlewska, Christoph Ritter, Christine Böckmann and Ronny Engelmann EPJ Web Conf., 176 (2018) 05024 Published online: 13 April 2018 DOI: 10.1051/epjconf/201817605024