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  • Validation of Sentinel-5P T...
    Lange, Kezia; Richter, Andreas; Schönhardt, Anja; Meier, Andreas C; Bösch, Tim; Seyler, André; Krause, Kai; Behrens, Lisa K; Wittrock, Folkard; Merlaud, Alexis; Tack, Frederik; Fayt, Caroline; Friedrich, Martina M; Dimitropoulou, Ermioni; Van Roozendael, Michel; Kumar, Vinod; Donner, Sebastian; Dörner, Steffen; Lauster, Bianca; Razi, Maria; Borger, Christian; Uhlmannsiek, Katharina; Wagner, Thomas; Ruhtz, Thomas; Eskes, Henk; Bohn, Birger; Santana Diaz, Daniel; Abuhassan, Nader; Schüttemeyer, Dirk; Burrows, John P

    Atmospheric measurement techniques, 03/2023, Volume: 16, Issue: 5
    Journal Article

    Airborne imaging differential optical absorption spectroscopy (DOAS), ground-based stationary DOAS, and car DOAS measurements were conducted during the S5P-VAL-DE-Ruhr campaign in September 2020. The campaign area is located in the Rhine-Ruhr region of North Rhine-Westphalia, western Germany, which is a pollution hotspot in Europe comprising urban and large industrial sources. The DOAS measurements are used to validate spaceborne NO.sub.2 tropospheric vertical column density (VCD) data products from the Sentinel-5 Precursor (S5P) TROPOspheric Monitoring Instrument (TROPOMI).