Heidelberg 2015 – scientific programme

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UP: Fachverband Umweltphysik

UP 4: Postersession Atmosphäre

UP 4.10: Poster

Wednesday, March 25, 2015, 10:45–19:45, G/Foyer

Airborne imaging DOAS during AROMAT — •Andreas C. Meier¹, Anja Schönhardt¹, André Seyler¹, Andreas Richter¹, Thomas Ruthz², and John P. Burrows¹ — ¹Uni Bremen, Institute of Environmental Physics — ²FU Berlin, Institute for Space Sciences

The AROMAT campaign (Airborne Romanian Measurements of Aerosols and Trace Gases) was carried out in September 2014 as part of the preparations for the space-borne Sentinel-5 Precursor air-quality monitoring mission.

The IUP-Bremen contributed to this campaign with its imaging DOAS instrument, AirMAP. This instruments allows the detection of column densities of trace gases under the aircraft at a high spatial resolution (30 × 80 m²). Mapping patterns were flown over Bucharest, that provided coverage the whole city in approx. 2.5h. These measurements show the spatial distribution of NO₂ column densities below the aircraft and show huge amounts of NO₂ inside the city centre and a strong gradient towards more rural areas.