Search Results - "F. Rohrer"

Missing OH source in a suburban environment near Beijing: observed and modelled OH and HO2 concentrations in summer 2006 by Lu, K D, Hofzumahaus, A, Holland, F, Bohn, B, Brauers, T, Fuchs, H, Hu, M, Häseler, R, Kita, K, Kondo, Y, Li, X, Lou, S R, Oebel, A, Shao, M, Zeng, L M, Wahner, A, Zhu, T, Zhang, Y H, Rohrer, F

“…Measurements of ambient OH and HO2 radicals were performed by laser induced fluorescence (LIF) during CAREBeijing2006 (Campaigns of Air Quality Research in…”
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Observation and modelling of OH and HO2 concentrations in the Pearl River Delta 2006: a missing OH source in a VOC rich atmosphere by Lu, K D, Rohrer, F, Holland, F, Fuchs, H, Bohn, B, Brauers, T, Chang, C C, Häseler, R, Hu, M, Kita, K, Kondo, Y, Li, X, Lou, S R, Nehr, S, Shao, M, Zeng, L M, Wahner, A, Zhang, Y H, Hofzumahaus, A

“…Ambient OH and HO2 concentrations were measured by laser induced fluorescence (LIF) during the PRIDE-PRD2006 (Program of Regional Integrated Experiments of Air…”
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Exploring the atmospheric chemistry of nitrous acid (HONO) at a rural site in Southern China by Li, X, Brauers, T, Häseler, R, Bohn, B, Fuchs, H, Hofzumahaus, A, Holland, F, Lou, S, Lu, K. D, Rohrer, F, Hu, M, Zeng, L. M, Zhang, Y. H, Garland, R. M, Su, H, Nowak, A, Wiedensohler, A, Takegawa, N, Shao, M, Wahner, A

“…We performed measurements of nitrous acid (HONO) during the PRIDE-PRD2006 campaign in the Pearl River Delta region 60 km north of Guangzhou, China, for 4 weeks…”
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Atmospheric OH reactivities in the Pearl River Delta – China in summer 2006: measurement and model results by Lou, S., Holland, F., Rohrer, F., Lu, K., Bohn, B., Brauers, T., Chang, C.C., Fuchs, H., Häseler, R., Kita, K., Kondo, Y., Li, X., Shao, M., Zeng, L., Wahner, A., Zhang, Y., Wang, W., Hofzumahaus, A.

“…Total atmospheric OH reactivities (kOH) have been measured as reciprocal OH lifetimes by a newly developed instrument at a rural site in the densely populated…”
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Modeling of HCHO and CHOCHO at a semi-rural site in southern China during the PRIDE-PRD2006 campaign by Li, X, Rohrer, F, Brauers, T, Hofzumahaus, A, Lu, K, Shao, M, Zhang, Y. H, Wahner, A

“…HCHO and CHOCHO are important trace gases in the atmosphere, serving as tracers of VOC oxidations. In the past decade, high concentrations of HCHO and CHOCHO…”
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Secondary organic aerosol formation from hydroxyl radical oxidation and ozonolysis of monoterpenes by Zhao, D. F, Kaminski, M, Schlag, P, Fuchs, H, Acir, I.-H, Bohn, B, Häseler, R, Kiendler-Scharr, A, Rohrer, F, Tillmann, R, Wang, M. J, Wegener, R, Wildt, J, Wahner, A, Mentel, Th. F

“…Oxidation by hydroxyl radical (OH) and ozonolysis are the two major pathways of daytime biogenic volatile organic compound (BVOC) oxidation and secondary…”
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A broadband cavity enhanced absorption spectrometer for aircraft measurements of glyoxal, methylglyoxal, nitrous acid, nitrogen dioxide, and water vapor by Min, K.-E, Washenfelder, R. A, Dubé, W. P, Langford, A. O, Edwards, P. M, Zarzana, K. J, Stutz, J, Lu, K, Rohrer, F, Zhang, Y, Brown, S. S

“…We describe a two-channel broadband cavity enhanced absorption spectrometer (BBCEAS) for aircraft measurements of glyoxal (CHOCHO), methylglyoxal (CH3COCHO),…”
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Detection of HO2 by laser-induced fluorescence: calibration and interferences from RO2 radicals by Fuchs, H, Bohn, B, Hofzumahaus, A, Holland, F, Lu, K D, Nehr, S, Rohrer, F, Wahner, A

“…HO2 concentration measurements are widely accomplished by chemical conversion of HO2 to OH including reaction with NO and subsequent detection of OH by…”
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Experimental evidence for efficient hydroxyl radical regeneration in isoprene oxidation by Fuchs, H., Hofzumahaus, A., Rohrer, F., Bohn, B., Brauers, T., Dorn, H-P., Häseler, R., Holland, F., Kaminski, M., Li, X., Lu, K., Nehr, S., Tillmann, R., Wegener, R., Wahner, A.

“…Field measurements have revealed much higher concentrations of hydroxyl radicals than expected in regions with high loads of the biogenic volatile organic…”
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Identification of highly oxygenated organic molecules and their role in aerosol formation in the reaction of limonene with nitrate radical by Guo, Yindong, Shen, Hongru, Pullinen, Iida, Luo, Hao, Kang, Sungah, Vereecken, Luc, Fuchs, Hendrik, Hallquist, Mattias, Acir, Ismail-Hakki, Tillmann, Ralf, Rohrer, Franz, Wildt, Jürgen, Kiendler-Scharr, Astrid, Wahner, Andreas, Zhao, Defeng, Mentel, Thomas F

“…Nighttime NO3-initiated oxidation of biogenic volatile organic compounds (BVOCs) such as monoterpenes is important for the atmospheric formation and growth of…”
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Suppression of new particle formation from monoterpene oxidation by NOx by Wildt, J, Mentel, T F, Kiendler-Scharr, A, Hoffmann, T, Andres, S, Ehn, M, Kleist, E, Müsgen, P, Rohrer, F, Rudich, Y, Springer, M, Tillmann, R, Wahner, A

“…The impact of nitrogen oxides (NOx = NO + NO2 ) on new particle formation (NPF) and on photochemical ozone production from real plant volatile organic compound…”
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Missing SO2 oxidant in the coastal atmosphere? - observations from high-resolution measurements of OH and atmospheric sulfur compounds by Berresheim, H, Adam, M, Monahan, C, O'Dowd, C, Plane, J M C, Bohn, B, Rohrer, F

“…Diurnal and seasonal variations of gaseous sulfuric acid (H2SO4) and methane sulfonic acid (MSA) were measured in NE Atlantic air at the Mace Head atmospheric…”
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Isoprene oxidation by nitrate radical: alkyl nitrate and secondary organic aerosol yields by 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., Cohen, R. C.

“…Alkyl nitrates and secondary organic aerosol (SOA) produced during the oxidation of isoprene by nitrate radicals has been observed in the SAPHIR (Simulation of…”
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SOA from limonene: role of NO3 in its generation and degradation by Fry, J L, Kiendler-Scharr, A, Rollins, A W, Brauers, T, Brown, S S, Dorn, H.-P, Dubé, W P, Fuchs, H, Mensah, A, Rohrer, F, Tillmann, R, Wahner, A, Wooldridge, P J, Cohen, R C

“…The formation of organic nitrates and secondary organic aerosol (SOA) were monitored during the NO3 + limonene reaction in the atmosphere simulation chamber…”
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Characterisation of the photolytic HONO-source in the atmosphere simulation chamber SAPHIR by Rohrer, F., Bohn, B., Brauers, T., Brüning, D., Johnen, F.-J., Wahner, A., Kleffmann, J.

“…HONO formation has been proposed as an important OH radical source in simulation chambers for more than two decades. Besides the heterogeneous HONO formation…”
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Detection of HO 2 by laser-induced fluorescence: calibration and interferences from RO 2 radicals by Fuchs, H., Bohn, B., Hofzumahaus, A., Holland, F., Lu, K. D., Nehr, S., Rohrer, F., Wahner, A.

“…HO2 concentration measurements are widely accomplished by chemical conversion of HO2 to OH including reaction with NO and subsequent detection of OH by…”
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Nighttime observation and chemistry of HOx in the Pearl River Delta and Beijing in summer 2006 by Lu, K D, Rohrer, F, Holland, F, Fuchs, H, Brauers, T, Oebel, A, Dlugi, R, Hu, M, Li, X, Lou, S R, Shao, M, Zhu, T, Wahner, A, Zhang, Y H, Hofzumahaus, A

“…Nighttime HOx chemistry was investigated in two ground-based field campaigns (PRIDE-PRD2006 and CAREBEIJING2006) in summer 2006 in China by comparison of…”
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Investigation of the limonene photooxidation by OH at different NO concentrations in the atmospheric simulation chamber SAPHIR (Simulation of Atmospheric PHotochemistry In a large Reaction Chamber) by Pang, Jacky Yat Sing, Novelli, Anna, Kaminski, Martin, Acir, Ismail-Hakki, Bohn, Birger, Carlsson, Philip T. M, Cho, Changmin, Dorn, Hans-Peter, Hofzumahaus, Andreas, Li, Xin, Lutz, Anna, Nehr, Sascha, Reimer, David, Rohrer, Franz, Tillmann, Ralf, Wegener, Robert, Kiendler-Scharr, Astrid, Wahner, Andreas, Fuchs, Hendrik

“…The oxidation of limonene by the hydroxyl (OH) radical and ozone (O3) was investigated in the atmospheric simulation chamber SAPHIR (Simulation of Atmospheric…”
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Comparison of isoprene chemical mechanisms under atmospheric night-time conditions in chamber experiments: evidence of hydroperoxy aldehydes and epoxy products from NO3 oxidation by Carlsson, Philip T M, Vereecken, Luc, Novelli, Anna, Bernard, François, Brown, Steven S, Bellamy Brownwood, Cho, Changmin, Crowley, John N, Dewald, Patrick, Edwards, Peter M, Friedrich, Nils, Fry, Juliane L, Hallquist, Mattias, Hantschke, Luisa, Hohaus, Thorsten, Kang, Sungah, Liebmann, Jonathan, Mayhew, Alfred W, Mentel, Thomas, Reimer, David, Rohrer, Franz, Shenolikar, Justin, Tillmann, Ralf, Tsiligiannis, Epameinondas, Wu, Rongrong, Wahner, Andreas, Kiendler-Scharr, Astrid, Fuchs, Hendrik

“…The gas-phase reaction of isoprene with the nitrate radical (NO3) was investigated in experiments in the outdoor SAPHIR chamber under atmospherically relevant…”
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Investigation of the α-pinene photooxidation by OH in the atmospheric simulation chamber SAPHIR by Rolletter, Michael, Kaminski, Martin, Ismail-Hakki Acir, Bohn, Birger, Dorn, Hans-Peter, Li, Xin, Lutz, Anna, Nehr, Sascha, Rohrer, Franz, Tillmann, Ralf, Wegener, Robert, Hofzumahaus, Andreas, Kiendler-Scharr, Astrid, Wahner, Andreas, Fuchs, Hendrik

“…The photooxidation of the most abundant monoterpene, α-pinene, by the hydroxyl radical (OH) was investigated at atmospheric concentrations in the atmospheric…”
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