Contact

E-Mail: a.hofzumahaus@fz-juelich.de
Fon: +49 2461 61 3239
Homepage: http://www.fz-juelich.de/SharedDocs/Personen/IEK/IEK-8/DE/LIF/hofzumahaus_andreas.html

Research topics

• Atmospheric Chemistry
• Gas-Phase Radical- and Photochemistry
• Reaction Kinetics
• Field Measurements
• Chemical Model Simulations

Resources and technologies

• Laser Spectroscopy
• Laser-Induced Fluorescence
• Groundbased and Aircraft Measurement Instruments
• Atmospheric Simulation Chamber
• for each topic: Investigation of atmospheric chemistry and chemical gas-phase mechanisms of radicals; experimental studies are performed in ground-based and airborne field campaigns, in atmospheric simulation chambers, and in laboratory experiments.

Publications

• X. Li, F. Rohrer, A. Hofzumahaus, T. Brauers, R. Häseler, B. Bohn, S. Broch, H. Fuchs, S. Gomm, F. Holland, J. Jäger, J. Kaiser, F. N. Keutsch, I. Lohse, K. Lu, R. Tillmann, R. Wegener, G. M. Wolfe, T. F. Mentel, A. Kiendler-Scharr, and A. Wahner (2014): Missing gas-phase source of HONO inferred from Zeppelin measurements in the troposphere, Science 344, 292, doi:10.1126/science.1248999
• Fuchs, H., A. Hofzumahaus, F. Rohrer, B. Bohn, T. Brauers, H.-P. Dorn, R. Häseler, F. Holland, M. Kaminski, X. Li, K. Lu, S. Nehr, R. Tillmann, R. Wegener and A. Wahner (2013): Experimental evidence for efficient hydroxyl radical regeneration in isoprene oxidation, Nature Geoscience, 6 (12), 1023-1026, doi:10.1038/NGEO1964
• A. Hofzumahaus, F. Rohrer, K. Lu, B. Bohn, T. Brauers, C. C. Chang, H. Fuchs, F. Holland, K. Kita, Y. Kondo, X. Li, S. Lou, M. Shao, L. Zeng, A. Wahner, Y. Zhang (2009): Amplified Trace Gas Removal in the Troposphere, Science, 324 (5935), 1702–1704
• A. Hofzumahaus, A. Kraus, and M. Müller (1999): Solar actinic flux spectroradiometry: A technique for measuring photolysis frequencies in the atmosphere, Applied Optics 38, 4443-4460
• A. Hofzumahaus, U. Aschmutat, M. Heßling, F. Holland, and D. H. Ehhalt (1996): The measurement of tropospheric OH radicals by laser-induced fluorescence spectroscopy during the POPCORN field campaign, Geophys. Res. Lett. 23, 2541-2544
• full publication list: http://www.researcherid.com/rid/I-9420-2012