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UP: Umweltphysik

UP 10: Poster: Datenauswertung (Atmosph
äre) II

UP 10.2: Poster

Mittwoch, 22. März 2000, 15:30–16:30, Foyer

THE GLOBAL OZONE MONITORING EXPERIMENT (GOME): Comparison: GOME - Ground based measurements in view to tropospheric pollution — •Annette Ladstätter-Weißenmayer, Hans Altmeyer, Folkard Wittrock, Andreas Richter, and John P. Burrows — Institut für Umweltphysik,Universität Bremen, Kufsteinerstr., 28359 Bremen

The Global Ozone Monitoring Experiment (GOME) is the first European passive remote sensing instrument aboard ERS-2 for measuring several trace gases which play an important role in the ozone chemistry of the Earth’s stratosphere and troposphere, for example, O₃, NO₂, BrO, OClO, HCHO and SO₂ in the spectral region 240–790 nm.

After the successful launch of GOME on the ERS-2 satellite on 21st of April 1995 in Kourou, the first data products of the trace gases O₃ and NO₂ were available at the end of July 1995. The validation of these data started by the comparison with ground based DOAS measurements carried out by the University of Bremen using several UV and visible grating spectrometers in Bremen (53^∘N, 8.9^∘E), Ny-Ålesund (79^∘N, 12^∘E) and Kaashidhoo (5^∘N, 73.5^∘E).

In addition GOME measurements were analysed with respect to tropospheric pollution events. In case studies the production of tropospheric ozone for different regions was observed.