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Atmospheric aerosol particles cover a wide size range from ca. 1 nm (0.001 µm) to 100 µm. The smallest of these particles originate from a process termed new particle formation (NPF) or nucleation, which starts with the formation of small clusters consisting only of a few molecules.
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The research group investigates atmospheric transport processes, especially in the upper troposphere to middle stratosphere and the influence of these processes on trace gas budgets.
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We investigate the abundance of ice nucleating aerosol particles in the atmosphere. In non-tropical climates most of the precipitation is formed in mixed phase clouds, when water droplets and ice crystals coexist...
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