Search Results - "KOPPMANN, R"

A review of biomass burning emissions part II: intensive physical properties of biomass burning particles by Reid, J. S., Koppmann, R., Eck, T. F., Eleuterio, D. P.

“…The last decade has seen tremendous advances in atmospheric aerosol particle research that is often performed in the context of climate and global change…”
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Long-term trends and solar cycle variations of mesospheric temperature and dynamics by Offermann, D., Hoffmann, P., Knieling, P., Koppmann, R., Oberheide, J., Steinbrecht, W.

“…Mesospheric and stratospheric temperatures and winds from several stations in Germany are analyzed for long‐term trends in 1988–2008. Emphasis is on upper…”
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A review of biomass burning emissions part III: intensive optical properties of biomass burning particles by Reid, J. S., Eck, T. F., Christopher, S. A., Koppmann, R., Dubovik, O., Eleuterio, D. P., Holben, B. N., Reid, E. A., Zhang, J.

“…Because of its wide coverage over much of the globe, biomass burning has been widely studied in the context of direct radiative forcing. Such study is…”
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Stable carbon isotope ratios of toluene in the boundary layer and the lower free troposphere by Wintel, J, Hösen, E, Koppmann, R, Krebsbach, M, Hofzumahaus, A, Rohrer, F

“…During the field campaign ZEPTER-2 in autumn 2008 whole air samples were collected on board a Zeppelin NT airship in the planetary boundary layer (PBL) and the…”
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The link between atmospheric radicals and newly formed particles at a spruce forest site in Germany by Bonn, B, Bourtsoukidis, E, Sun, T. S, Bingemer, H, Rondo, L, Javed, U, Li, J, Axinte, R, Li, X, Brauers, T, Sonderfeld, H, Koppmann, R, Sogachev, A, Jacobi, S, Spracklen, D. V

“…It has been claimed for more than a century that atmospheric new particle formation is primarily influenced by the presence of sulfuric acid. However, the…”
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Technical Note: Intercomparison of formaldehyde measurements at the atmosphere simulation chamber SAPHIR by Wisthaler, A., Apel, E. C., Bossmeyer, J., Hansel, A., Junkermann, W., Koppmann, R., Meier, R., Müller, K., Solomon, S. J., Steinbrecher, R., Tillmann, R., Brauers, T.

“…The atmosphere simulation chamber SAPHIR at the Research Centre Jülich was used to test the suitability of state-of-the-art analytical instruments for the…”
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Volatile organic compounds in the exhaled breath of young patients with cystic fibrosis by Barker, M, Hengst, M, Schmid, J, Buers, H-J, Mittermaier, B, Klemp, D, Koppmann, R

“…Inflammatory mediators in the exhaled breath are receiving growing medical interest as noninvasive disease markers. Volatile organic compounds have been…”
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Monoterpene emissions from Scots pine (Pinus sylvestris): Field studies of emission rate variabilities by Komenda, M., Koppmann, R.

“…Monoterpene emission rates from young and adult Scots pines (Pinus sylvestris), a typical central European conifer, were measured under ambient conditions…”
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An analytical system for the measurement of stable hydrogen isotopes in ambient volatile organic compounds by Meisehen, T, Bühler, F, Koppmann, R, Krebsbach, M

“…Stable isotope measurements in atmospheric volatile organic compounds (VOCs) are an excellent tool to analyse chemical and dynamical processes in the…”
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A case study of multi-annual temperature oscillations in the atmosphere: Middle Europe by Offermann, D., Goussev, O., Kalicinsky, Ch, Koppmann, R., Matthes, K., Schmidt, H., Steinbrecht, W., Wintel, J.

“…SABER temperature measurements from 2002 to 2012 are analyzed from 18 to 110km altitude in Middle Europe. Data are complemented by radiosonde measurements in…”
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Diurnal and seasonal variation of monoterpene and sesquiterpene emissions from Scots pine ( Pinus sylvestris L.) by Holzke, C., Hoffmann, T., Jaeger, L., Koppmann, R., Zimmer, W.

“…Recent research pointed out the question of missing OH reactivity in a forest system and the question for unknown highly reactive biogenic emissions. In this…”
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Quasi 2 day waves in the summer mesosphere: Triple structure of amplitudes and long-term development by Offermann, D., Hoffmann, P., Knieling, P., Koppmann, R., Oberheide, J., Riggin, D. M., Tunbridge, V. M., Steinbrecht, W.

“…Upper mesosphere OH temperature measurements are compared at the stations of Wuppertal (51°N, 7°E) and Hohenpeißenberg (48°N, 11°E) for 2004–2009 in order to…”
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The in-flight blackbody calibration system for the GLORIA interferometer on board an airborne research platform by Olschewski, F, Ebersoldt, A, Friedl-Vallon, F, Gutschwager, B, Hollandt, J, Kleinert, A, Monte, C, Piesch, C, Preusse, P, Rolf, C, Steffens, P, Koppmann, R

“…The Gimballed Limb Observer for Radiance Imaging of the Atmosphere (GLORIA) is a prototype of an imaging Fourier Transform Spectrometer (FTS) for PREMIER, a…”
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Intercomparison of oxygenated volatile organic compound measurements at the SAPHIR atmosphere simulation chamber by 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., Gomez Alvarez, E., Müller, K., Burrows, J. P., Schade, G., Solomon, S. J., Ladstätter-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., Wyche, K. P.

“…This paper presents results from the first large‐scale in situ intercomparison of oxygenated volatile organic compound (OVOC) measurements. The intercomparison…”
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Turbulent exchange and segregation of HOx radicals and volatile organic compounds above a deciduous forest by Dlugi, R, Berger, M, Zelger, M, Hofzumahaus, A, Siese, M, Holland, F, Wisthaler, A, Grabmer, W, Hansel, A, Koppmann, R, Kramm, G, Möllmann-Coers, M, Knaps, A

“…The eddy covariance method was applied for the first time to estimate fluxes of OH and HO2 together with fluxes of isoprene, the sum of methyl vinyl ketone…”
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Long-term development of short-period gravity waves in middle Europe by Offermann, D., Wintel, J., Kalicinsky, C., Knieling, P., Koppmann, R., Steinbrecht, W.

“…The long‐term development of short‐period gravity waves is investigated using the analysis of temperature fluctuations in the mesosphere. The temperature…”
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Traveling planetary wave activity from mesopause region airglow temperatures determined by the Network for the Detection of Mesospheric Change (NDMC) by Reisin, E.R., Scheer, J., Dyrland, M.E., Sigernes, F., Deehr, C.S., Schmidt, C., Höppner, K., Bittner, M., Ammosov, P.P., Gavrilyeva, G.A., Stegman, J., Perminov, V.I., Semenov, A.I., Knieling, P., Koppmann, R., Shiokawa, K., Lowe, R.P., López-González, M.J., Rodríguez, E., Zhao, Y., Taylor, M.J., Buriti, R.A., Espy, P.J., French, W.J.R., Eichmann, K.-U., Burrows, J.P., von Savigny, C.

“…The global distribution of traveling planetary wave (PW) activity in the mesopause region is estimated for the first time from ground-based airglow…”
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Isotope effect in the formation of H2 from H2CO studied at the atmospheric simulation chamber SAPHIR by Röckmann, T, Walter, S, Bohn, B, Wegener, R, Spahn, H, Brauers, T, Tillmann, R, Schlosser, E, Koppmann, R, Rohrer, F

“…Formaldehyde of known, near-natural isotopic composition was photolyzed in the SAPHIR atmosphere simulation chamber under ambient conditions. The isotopic…”
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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 by Wyche, K. P., Blake, R. S., Ellis, A. M., Monks, P. S., Brauers, T., Koppmann, R., Apel, E. C.

“…The performance of a new chemical ionization reaction time-of-flight mass spectrometer (CIR-TOF-MS) utilising the environment chamber SAPHIR (Simulation of…”
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Terpene emissions from European beech (Fagus sylvatica L.) : Pattern and emission behaviour over two vegetation periods by HOLZKE, C, DINDORF, T, KESSELMEIER, J, KUHN, U, KOPPMANN, R

“…The source strength of volatile organic compounds (VOCs) emitted by vegetation is of great interest for the understanding of processes in atmospheric chemistry…”
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