Lecture Direct validation of satellite-derived trends in tropospheric NO2 with ground-based MAX-DOAS instruments. Schneider, P.; Stebel, K.; Pinardi, G.; van Roozendael, M.; Hendrick, F.; Kanaya, Y. Publication details Presented at the 2014 EUMETSAT Meteorological Satellite Conference, Geneva, Switzerland, 22-26 September 2014.