Reference dataset of volcanic ash physicochemical and optical properties for atmospheric measurement retrievals and transport modelling

Andreas Vogel, Norwegian Institute for Air Research, Kjeller, Norway, Adam J Durant, University of Oslo, Department of Geoscience, Meteorology and Oceanography Section, Oslo, Norway; Michigan Technological University, Geological Engineering & Sciences, Houghton, MI, United States, Spyros Diplas, SINTEF Industry, Trondheim, Norway, Amin Azar, SINTEF, Trondheim, Norway, William I Rose, Michigan Technological University, Houghton, MI, United States, Anna Sytchkova, ENEA Casaccia C.R.E, Optical Components Group, Energy Technologies Department, Rome, Italy, Kirstin Krüger, University of Oslo, Oslo, Norway, Andreas Stohl, Norwegian Institute for Air Research, Atmospheric and Climate Research (ATMOS), Kjeller, Norway and Costanza Bonadonna, University of Geneva, Department of Earth Sciences, Geneva, Switzerland