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Foeschungszentrum Jülich - Research in Jülich 1_2013

The inside of the SAPHIR atmosphere simulation chamber at Jülich is 20m long and has a diameter of 5m. A variable roof regulates the inci- dent sunlight and protects the double-walled Teflon tube with a volume of 275m3 inside the chamber. It can be used to simulate chemical pro- cesses in the atmosphere – for atmospheric chemists, this is a unique laboratory. Here, they can create any desired air composition and simu- late chemical processes that occur in the atmosphere under natural, but controlled conditions. Observations from the field and from airborne measuring campaigns such as PEGASOS – a Europe-wide research mission using the Zeppelin NT – can be selectively reproduced in SAPHIR. The aim is to verify and expand our understanding of the deg- radation of trace gases in the atmosphere and thus to contribute to optimizing models of air quality and climate. :: IN THE PICTURE

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