Search Results - "Klupfel, T."

Oxygenated compounds in aged biomass burning plumes over the Eastern Mediterranean: evidence for strong secondary production of methanol and acetone by Holzinger, R., Williams, J., Salisbury, G., Klüpfel, T., de Reus, M., Traub, M., Crutzen, P. J., Lelieveld, J.

“…Airborne measurements of acetone, methanol, PAN, acetonitrile (by Proton Transfer Reaction Mass Spectrometry), and CO (by Tunable Diode Laser Absorption…”
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Ozone production and trace gas correlations during the June 2000 MINATROC intensive measurement campaign at Mt. Cimone by Fischer, H., Kormann, R., Klüpfel, T., Gurk, Ch, Königstedt, R., Parchatka, U., Mühle, J., Rhee, T. S., Brenninkmeijer, C. A. M., Bonasoni, P., Stohl, A.

“…An intensive measurement campaign was performed in June 2000 at the Mt. Cimone station (44°11' N-10°42' E, 2165 m asl, the highest mountain in the northern…”
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The impact of monsoon outflow from India and Southeast Asia in the upper troposphere over the eastern Mediterranean by Scheeren, H. A., Lelieveld, J., Roelofs, G. J., Williams, J., Fischer, H., de Reus, M., de Gouw, J. A., Warneke, C., Holzinger, R., Schlager, H., Klüpfel, T., Bolder, M., van der Veen, C., Lawrence, M.

“…A major objective of the Mediterranean INtensive Oxidant Study (MINOS) was to investigate long-range transport of pollutants (notably ozone precursor species)…”
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Free Radicals and Fast Photochemistry during BERLIOZ by Platt, U, Alicke, B, Dubois, R, Geyer, A, Hofzumahaus, A, Holland, F, Martinez, M, Mihelcic, D, Kluepfel, T, Lohrmann, B, Paetz, W, Perner, D, Rohrer, F, Schaefer, J, Stutz, J

“…The free radicals OH, HO^sub 2^, RO^sub 2^, and NO^sub 3^ are known to be the driving force for most chemical processes in the atmosphere. Since the low…”
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Proof of concept study: Testing human volatile organic compounds as tools for age classification of films by Stönner, C, Edtbauer, A, Derstroff, B, Bourtsoukidis, E, Klüpfel, T, Wicker, J, Williams, J

“…Humans emit numerous volatile organic compounds (VOCs) through breath and skin. The nature and rate of these emissions are affected by various factors…”
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Hydroxyl radicals in the tropical troposphere over the Suriname rainforest: airborne measurements by Martinez, M., Harder, H., Kubistin, D., Rudolf, M., Bozem, H., Eerdekens, G., Fischer, H., Klüpfel, T., Gurk, C., Königstedt, R., Parchatka, U., Schiller, C. L., Stickler, A., Williams, J., Lelieveld, J.

“…Direct measurements of OH and HO2 over a tropical rainforest were made for the first time during the GABRIEL campaign in October 2005, deploying the…”
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Hydroxyl radicals in the tropical troposphere over the Suriname rainforest: comparison of measurements with the box model MECCA by Kubistin, D., Harder, H., Martinez, M., Rudolf, M., Sander, R., Bozem, H., Eerdekens, G., Fischer, H., Gurk, C., Klüpfel, T., Königstedt, R., Parchatka, U., Schiller, C. L., Stickler, A., Taraborrelli, D., Williams, J., Lelieveld, J.

“…As a major source region of the hydroxyl radical OH, the Tropics largely control the oxidation capacity of the atmosphere on a global scale. However, emissions…”
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Total OH reactivity measurements using a new fast Gas Chromatographic Photo-Ionization Detector (GC-PID) by Nölscher, A. C, Sinha, V, Bockisch, S, Klüpfel, T, Williams, J

“…The primary and most important oxidant in the atmosphere is the hydroxyl radical (OH). Currently OH sinks, particularly gas phase reactions, are poorly…”
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Flux estimates of isoprene, methanol and acetone from airborne PTR-MS measurements over the tropical rainforest during the GABRIEL 2005 campaign by Eerdekens, G., Ganzeveld, L., Vilà-Guerau de Arellano, J., Klüpfel, T., Sinha, V., Yassaa, N., Williams, J., Harder, H., Kubistin, D., Martinez, M., Lelieveld, J.

“…Tropical forests are a strong source of biogenic volatile organic compounds (BVOCs) to the atmosphere which can potentially impact the atmospheric oxidation…”
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The Measurement of Active Chlorine in the Atmosphere by Chemical Amplification by Perner, D, Arnold, T, Crowley, J, Klüpfel, T, Martinez, M, Seuwen, R

“…Chemical amplification, CA, a method commonly used for the detection of peroxy radicals, HO^sub 2^ and RO^sub 2^, was found to be sensitive towards ClOx…”
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An intercomparison of ground-based UV-visible sensors of ozone and NO2 by Vaughan, G., Roscoe, H. K., Bartlett, L. M., O'Connor, F. M., Sarkissian, A., Van Roozendael, M., Lambert, J‐C, Simon, P. C., Karlsen, K., Høiskar, B. A. Kåstad, Fish, D. J., Jones, R. L., Freshwater, R. A., Pommereau, J‐P., Goutail, F., Andersen, S. B., Drew, D. G., Hughes, P. A., Moore, D., Mellqvist, J., Hegels, E., Klupfel, T., Erle, F., Pfeilsticker, K., Platt, U.

“…An intercomparison of zenith‐sky UV‐visible spectrometers was held at Camborne, UK, for 2 weeks in September 1994. Eleven instruments participated, from nine…”
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Global distribution of atmospheric bromine-monoxide from GOME on Earth Observing Satellite ERS-2 by Hegels, E., Crutzen, P. J., Klüpfel, T., Perner, D., Burrows, J. P.

“…The remote sensing spectro‐photometer GOME installed on board of the polar orbiting ESA satellite ERS‐2 collects nadir scattered sunlight. The spectral…”
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Nighttime formation of peroxy and hydroxyl radicals during the BERLIOZ campaign: Observations and modeling studies by Geyer, Andreas, Bächmann, Kurt, Hofzumahaus, Andreas, Holland, Frank, Konrad, Stefan, Klüpfel, Thomas, Pätz, Hans‐Werner, Perner, Dieter, Mihelcic, Djuro, Schäfer, Hans‐Jürgen, Volz‐Thomas, Andreas, Platt, Ulrich

“…Traditionally, tropospheric radical chemistry is discussed in terms of the daytime photochemically produced hydroxyl radical (OH). Radicals, however, are also…”
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Application of a multi-laser tunable diode laser absorption spectrometer for atmospheric trace gas measurements at sub-ppbv levels by Kormann, R, Fischer, H, Gurk, C, Helleis, F, Klüpfel, Th, Kowalski, K, Königstedt, R, Parchatka, U, Wagner, V

“…We describe the application of a three-laser tunable diode laser absorption spectrometer (TDLAS), called ‘tracer in-situ TDLAS for atmospheric research’…”
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Inter-comparison between airborne measurements of methanol, acetonitrile and acetone using two differently configured PTR-MS instruments by de Gouw, Joost, Warneke, Carsten, Holzinger, Rupert, Klüpfel, Thomas, Williams, Jonathan

“…Proton-transfer-reaction mass spectrometry (PTR-MS) has emerged as a useful tool to study the atmospheric chemistry of volatile organic compounds (VOCs). The…”
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An intercomparison of ground‐based UV‐visible sensors of ozone and NO 2 by Vaughan, G., Roscoe, H. K., Bartlett, L. M., O'Connor, F. M., Sarkissian, A., Van Roozendael, M., Lambert, J‐C, Simon, P. C., Karlsen, K., Høiskar, B. A. Kåstad, Fish, D. J., Jones, R. L., Freshwater, R. A., Pommereau, J‐P., Goutail, F., Andersen, S. B., Drew, D. G., Hughes, P. A., Moore, D., Mellqvist, J., Hegels, E., Klupfel, T., Erle, F., Pfeilsticker, K., Platt, U.

“…An intercomparison of zenith‐sky UV‐visible spectrometers was held at Camborne, UK, for 2 weeks in September 1994. Eleven instruments participated, from nine…”
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An intercomparison of ground-based UV-visible sensors of ozone and NO sub(2) by Vaughan, G, Roscoe, H K, Bartlett, L M, O'Connor, F M, Sarkissian, A, Van Roozendael, M, Lambert, J-C, Simon, P C, Karlsen, K, Hoiskar, Kaastad, Fish, D J, Jones, R L, Freshwater, R A, Pommereau, J-P, Goutail, F, Andersen, S B, Drew, D G, Hughes, P A, Moore, D, Melqvist, J, Hegels, E, Klupfel, T, Erle, F, Pfeilsticker, K, Platt, U

“…An intercomparison of zenith-sky UV-visible spectrometers was held at Camborne, UK, for 2 weeks in September 1994. Eleven instruments participated, from nine…”
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Free radicals and fast photochemistry during BERLIOZ: Special Issue on Tropospheric Chemistry - Results of the German Tropospheric Chemistry Programme by PLATT, U, ALICKE, B, PÄTZ, W, PERNER, D, ROHRER, F, SCHÄFER, J, STUTZ, J, DUBOIS, R, GEYER, A, HOFZUMAHAUS, A, HOLLAND, F, MARTINEZ, M, MIHELCIC, D, KLÜPFEL, T, LOHRMANN, B

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