Tropospheric Volcanism and Air-Traffic

Christos S Zerefos1,2, John N Kapsomenakis1,2, Vassilis Amiridis3, Stavros Solomos4, Kostas Eleftheratos5, Evangelos Gerasopoulos2,6, Christos Repapis7, Henk Eskes8, Antje Inness9, Emilio Cuevas10 and Pascal Hedelt11, (1)Rsrch Cnter Atmos Phy & Clim, Academy of Athens, Athens, Greece, (2)Navarino Environmental Observatory, Messinia, Greece, (3)National Observatory of Athens, IAASARS, Athens, Greece, (4)National Observatory of Athens, Institute for Astronomy, Astrophysics, Space Applications and Remote Sensing, Athens, Greece, (5)Laboratory of Climatology and Atmospheric Environment, University of Athens, Athens, Greece, (6)National Observatory of Athens, Institute for Environmental Research and Sustainable Development, Athens, Greece, (7)Mariolopoulos-Kanaginis Foundation for the Environmental Sciences, Athens, Greece, (8)Royal Netherlands Meteorological Institute (KNMI), De Bilt, Netherlands, (9)European Centre for Medium-Range Weather Forecasts, Reading, United Kingdom, (10)Izana Atmospheric Research Center, AEMET, Tenerife, Spain, (11)Institut für Methodik der Fernerkundung, Deutsches Zentrum für Luft- und Raumfahrt, Oberpfaffenhofen, Weßling, Germany