partner 02 - FZJ
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InstitutionForschungszentrum Jülich GmbH
DepartmentInstitute of Energy and Climate Research
AddressIEK-8, D-52425 Jülich, Germany
Phone+49-2461-61-6646
Fax+49-2461-61-8228
World Wide Web  http://www.fz-juelich.de/iek/iek-8/DE/Home/home_node.html

Principal investigator:

NameDr. Theo Brauers
Positionsenior scientist
Email Mail to Th. Brauers
Scientific interests  Absorptions Spectrocopy, Atmospheric Photochemistry

Important publications:

Fuchs, H., Ball, S. M., Bohn, B., Brauers, T., Cohen, R. C., Dorn, H.-P., Dubé, W. P., Fry, J. L., Häseler, R., Heitmann, U., Jones, R. L., Kleffmann, J., Mentel, T. F., Müsgen, P., Rohrer, F., Rollins, A. W., Ruth, A. A., Kiendler-Scharr, A., Schlosser, E., Shillings, A. J. L., Tillmann, R., Varma, R. M., Venables, D. S., Villena Tapia, G., Wahner, A., Wegener, R., Wooldridge, P. J., and Brown, S. S.: Intercomparison of measurements of NO2 concentrations in the atmosphere simulation chamber SAPHIR during the NO3Comp campaign, Atmos. Meas. Tech., 3, 21-37, 2010.

Hofzumahaus, A., Rohrer, F., Lu, K., Bohn, B., Brauers, T., Chang, C.-C., Fuchs, H., Holland, F., Kita, K., Kondo, Y., Li, X., Lou, S., Shao, M., Zeng, L., Wahner, A., and Zhang, Y.: Amplified Trace Gas Removal in the Troposphere, Science, 324, 1702-1704, 2009.

Schlosser, E., Brauers, T., Dorn, H.-P., Fuchs, H., Häseler, R., Hofzumahaus, A., Holland, F., Wahner, A., Kanaya, Y., Kajii, Y., Miyamoto, K., Nishida, S., Watanabe, K., Yoshino, A., Kubistin, D., Martinez, M., Rudolf, M., Harder, H., Berresheim, H., Elste, T., Plass-Dülmer, C., Stange, G., and Schurath, U.: Technical Note: Formal blind intercomparison of OH measurements: results from the international campaign HOxComp, Atmos. Chem. Phys., 9, 7923-7948, 2009.

Rollins, A. W., Kiendler-Scharr, A., Fry, J. L., Brauers, T., Brown, S. S., Dorn, H.-P., Dubé, W. P., Fuchs, H., Mensah, A., Mentel, T. F., Rohrer, F., Tillmann, R., Wegener, R., Wooldridge, P. J., and Cohen, R. C.: Isoprene oxidation by nitrate radical: alkyl nitrate and secondary organic aerosol yields, Atmos. Chem. Phys., 9, 6685-6703, 2009.

Fuchs, H., Brauers, T., Häseler, R., Holland, F., Mihelcic, D., Müsgen, P., Rohrer, F., Wegener, R., and Hofzumahaus, A.: Intercomparison of peroxy radical measurements obtained at atmospheric conditions by laser-induced fluorescence and electron spin resonance spectroscopy, Atmos. Meas. Tech., 2, 55-64, 2009.

Tillmann R., Saathoff H., Brauers T., Kiendler-Scharr A. and Mentel T.F. 2009. Temperature dependence of the rate coefficient for the alpha-pinene reaction with ozone in the range between 243 K and 303 K. Physical Chemistry Chemical Physics 11: 2323-2328.

Fry J.L., Kiendler-Scharr A., Rollins A.W., Wooldridge P.J., Brown S.S., Fuchs H., Dube W., Mensah A., dal Maso M., Tillmann R., Dorn H.P., Brauers T. and Cohen R.C. 2009. Organic nitrate and secondary organic aerosol yield from NO3 oxidation of beta-pinene evaluated using a gas-phase kinetics/aerosol partitioning model. Atmospheric Chemistry and Physics 9: 1431-1449.

Wisthaler A., Apel E.C., Bossmeyer J., Hansel A., Junkermann W., Koppmann R., Meier R., Muller K., Solomon S.J., Steinbrecher R., Tillmann R. and Brauers T. 2008. Technical Note: Intercomparison of formaldehyde measurements at the atmosphere simulation chamber SAPHIR. Atmospheric Chemistry and Physics 8: 2189-2200.

Apel E.C., Brauers T., Koppmann R., Bandowe B., Bossmeyer J., Holzke C., Tillmann R., Wahner A., Wegener R., Brunner A., Jocher M., Ruuskanen T., Spirig C., Steigner D., Steinbrecher R., Alvarez E.G., Muller K., Burrows J.P., Schade G., Solomon S.J., Ladstatter-Weissenmayer A., Simmonds P., Young D., Hopkins J.R., Lewis A.C., Legreid G., Reimann S., Hansel A., Wisthaler A., Blake R.S., Ellis A.M., Monks P.S. and Wyche K.P. 2008. Intercomparison of oxygenated volatile organic compound measurements at the SAPHIR atmosphere simulation chamber. Journal of Geophysical Research-Atmospheres 113.

Wyche K.P., Blake R.S., Ellis A.M., Monks P.S., Brauers T., Koppmann R. and Apel E.C. 2007. Technical note: Performance of Chemical Ionization Reaction Time-of-Flight Mass Spectrometry (CIR-TOF-MS) for the measurement of atmospherically significant oxygenated volatile organic compounds. Atmospheric Chemistry and Physics 7: 609-620<.

Wegener R., Brauers T., Koppmann R., Bares S.R., Rohrer F., Tillmann R., Wahner A., Hansel A. and Wisthaler A. 2007. Simulation chamber investigation of the reactions of ozone with short-chained alkenes. Journal of Geophysical Research-Atmospheres 112.

Schlosser E., Bohn B., Brauers T., Dorn H.P., Fuchs H., Haseler R., Hofzumahaus A., Holland F., Rohrer F., Rupp L.O., Siese M., Tillmann R. and Wahner A. 2007. Intercomparison of two hydroxyl radical measurement techniques at the atmosphere simulation chamber SAPHIR. Journal of Atmospheric Chemistry 56: 187-205.

Poppe D., Brauers T., Dorn H.P., Karl M., Mentel T., Schlosser E., Tillmann R., Wegener R. and Wahner A. 2007. OH-initiated degradation of several hydrocarbons in the atmosphere simulation chamber SAPHIR. Journal of Atmospheric Chemistry 57: 203-214.

Brauers T. and Wiesen P. 2007. Experiments in large simulation chambers. Chemie in Unserer Zeit 41: 212-218.

Brauers T., Bossmeyer J., Dorn H.P., Schlosser E., Tillmann R., Wegener R. and Wahner A. 2007. Investigation of the formaldehyde differential absorption cross section at high and low spectral resolution in the simulation chamber SAPHIR. Atmospheric Chemistry and Physics 7: 3579-3586.

Bossmeyer J., Brauers T., Richter C., Rohrer F., Wegener R. and Wahner A. 2006. Simulation chamber studies on the NO3 chemistry of atmospheric aldehydes. Geophysical Research Letters 33.

Rohrer F., Bohn B., Brauers T., Bruning D., Johnen F.J., Wahner A. and Kleffmann J. 2005. Characterisation of the photolytic HONO-source in the atmosphere simulation chamber SAPHIR. Atmospheric Chemistry and Physics 5: 2189-2201.

Bohn B., Rohrer F., Brauers T. and Wahner A. 2005. Actinometric measurements of NO2 photolysis frequencies in the atmosphere simulation chamber SAPHIR. Atmospheric Chemistry and Physics 5: 493-503.

Sumner A.L., Menke E.J., Dubowski Y., Newberg J.T., Penner R.M., Hemminger J.C., Wingen L.M., Brauers T. and Finlayson-Pitts B.J. 2004. The nature of water on surfaces of laboratory systems and implications for heterogeneous chemistry in the troposphere. Physical Chemistry Chemical Physics 6: 604-613.

Karl M., Brauers T., Dorn H.P., Holland F., Komenda M., Poppe D., Rohrer F., Rupp L., Schaub A. and Wahner A. 2004. Kinetic Study of the OH-isoprene and O3-isoprene reaction in the atmosphere simulation chamber, SAPHIR. Geophysical Research Letters 31.

Brauers T., Hausmann M., Bister A., Kraus A. and Dorn H.P. 2001. OH radicals in the boundary layer of the Atlantic Ocean 1. Measurements by long-path laser absorption spectroscopy. Journal of Geophysical Research-Atmospheres 106: 7399-7414.

De Haan D.O., Brauers T., Oum K., Stutz J., Nordmeyer T. and Finlayson-Pitts B.J. 1999. Heterogeneous chemistry in the troposphere: experimental approaches and applications to the chemistry of sea salt particles. International Reviews in Physical Chemistry 18: 343-385.

Oum K.W., Lakin M.J., DeHaan D.O., Brauers T. and Finlayson-Pitts B.J. 1998. Formation of molecular chlorine from the photolysis of ozone and aqueous sea-salt particles. Science 279: 74-77.

Brauers T. and Finlayson Pitts B.J. 1997. Analysis of relative rate measurements. International Journal of Chemical Kinetics 29: 665-672.