Germany: projects/activities

Directory entires that have specified Germany as the primary or lead country for the project/activity and are included in the AMAP, ENVINET, SAON and SEARCH directories. To see the full list of countries, see the countries list. The specified country may not be the geographic region where the activity is taking place - to select a geographic region, see the list of regions.

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1. DOAS measurements of atmospheric trace gases (NDSC)

Quasi-continuous observation of several atmospheric species are performed by measuring the absorption of visible and near ultraviolet sunlight scattered from the sky or in direct moonlight. Column abundance of molecules such as ozone, NO2, OClO, NO3, BrO, HCHO and IO are derived by means of a Differential Optical Absorption (DOAS) algorithm and a radiative transfer model. These activities are part of calibration and validation studies of different satellite experiments (GOME, SAGE III, SCIAMACHY). Since 1999 the instrument is part of the Network of the Detection of Stratospheric Change (NDSC). The instrument has been installed in 1995 as the second UV/vis instrument from the Institute of Environmental Physics. One similar setup in Bremen is continuously running with the exception of short maintenance breaks since 1993.

Atmospheric processes Ozone Trace gases Climate variability Climate NDSC Climate change Arctic DOAS Atmosphere Satellite validation