Search Results - "S, Weinbruch"

Recent progress in understanding physical and chemical properties of African and Asian mineral dust by Formenti, P., Schütz, L., Balkanski, Y., Desboeufs, K., Ebert, M., Kandler, K., Petzold, A., Scheuvens, D., Weinbruch, S., Zhang, D.

“…This paper presents a review of recently acquired knowledge on the physico-chemical properties of mineral dust from Africa and Asia based on data presented and…”
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A comprehensive laboratory study on the immersion freezing behavior of illite NX particles: a comparison of 17 ice nucleation measurement techniques by Hiranuma, N, Augustin-Bauditz, S, Bingemer, H, Budke, C, Curtius, J, Danielczok, A, Diehl, K, Dreischmeier, K, Ebert, M, Frank, F

“…Immersion freezing is the most relevant heterogeneous ice nucleation mechanism through which ice crystals are formed in mixed-phase clouds. In recent years, an…”
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Saharan dust and ice nuclei over Central Europe by Klein, H., Nickovic, S., Haunold, W., Bundke, U., Nillius, B., Ebert, M., Weinbruch, S., Schuetz, L., Levin, Z., Barrie, L. A., Bingemer, H.

“…Surface measurements of aerosol and ice nuclei (IN) at a Central European mountain site during an episode of dust transport from the Sahara are presented. Ice…”
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Transmission electron microscopical and aerosol dynamical characterization of soot aerosols by Wentzel, M., Gorzawski, H., Naumann, K.-H., Saathoff, H., Weinbruch, S.

“…Size, morphology and microstructure of Palas soot, Diesel soot and of Diesel soot/ammonium sulfate mixtures were studied by transmission electron microscopy…”
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Source identification of individual soot agglomerates in Arctic air by transmission electron microscopy by Weinbruch, S., Benker, N., Kandler, K., Schütze, K., Kling, K., Berlinger, B., Thomassen, Y., Drotikova, T., Kallenborn, R.

“…Individual soot agglomerates collected at four different locations on the Arctic archipelago Svalbard (Norway) were characterised by transmission electron…”
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Airborne observations of the Eyjafjalla volcano ash cloud over Europe during air space closure in April and May 2010 by Schumann, U., Weinzierl, B., Reitebuch, O., Schlager, H., Minikin, A., Forster, C., Baumann, R., Sailer, T., Graf, K., Mannstein, H., Voigt, C., Rahm, S., Simmet, R., Scheibe, M., Lichtenstern, M., Stock, P., Rüba, H., Schäuble, D., Tafferner, A., Rautenhaus, M., Gerz, T., Ziereis, H., Krautstrunk, M., Mallaun, C., Gayet, J.-F., Lieke, K., Kandler, K., Ebert, M., Weinbruch, S., Stohl, A., Gasteiger, J., Groß, S., Freudenthaler, V., Wiegner, M., Ansmann, A., Tesche, M., Olafsson, H., Sturm, K.

“…Airborne lidar and in-situ measurements of aerosols and trace gases were performed in volcanic ash plumes over Europe between Southern Germany and Iceland with…”
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Single-particle characterization of ice-nucleating particles and ice particle residuals sampled by three different techniques by Worringen, A, Kandler, K, Benker, N, Dirsch, T, Mertes, S, Schenk, L, Kästner, U, Frank, F, Nillius, B, Bundke, U, Rose, D, Curtius, J, Kupiszewski, P, Weingartner, E, Vochezer, P, Schneider, J, Schmidt, S, Weinbruch, S, Ebert, M

“…In the present work, three different techniques to separate ice-nucleating particles (INPs) as well as ice particle residuals (IPRs) from non-ice-active…”
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Chemical composition and mixing-state of ice residuals sampled within mixed phase clouds by Ebert, M, Worringen, A, Benker, N, Mertes, S, Weingartner, E, Weinbruch, S

“…During an intensive campaign at the high alpine research station Jungfraujoch, Switzerland, in February/March 2006 ice particle residuals within mixed-phase…”
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Physicochemical characterisation of different welding aerosols by Berlinger, B, Benker, N, Weinbruch, S, L`Vov, B, Ebert, M, Koch, W, Ellingsen, D. G, Thomassen, Y

“…Physicochemical properties important in exposure characterisation of four different welding aerosols were investigated. Particle number size distributions were…”
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Mass deposition fluxes of Saharan mineral dust to the tropical northeast Atlantic Ocean: an intercomparison of methods by Niedermeier, N, Held, A, Müller, T, Heinold, B, Schepanski, K, Tegen, I, Kandler, K, Ebert, M, Weinbruch, S, Read, K, Lee, J, Fomba, K. W, Müller, K, Herrmann, H, Wiedensohler, A

“…Mass deposition fluxes of mineral dust to the tropical northeast Atlantic Ocean were determined within this study. In the framework of SOPRAN (Surface Ocean…”
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Atmospheric ice nuclei in the Eyjafjallajökull volcanic ash plume by Bingemer, H., Klein, H., Ebert, M., Haunold, W., Bundke, U., Herrmann, T., Kandler, K., Müller-Ebert, D., Weinbruch, S., Judt, A., Wéber, A., Nillius, B., Ardon-Dryer, K., Levin, Z., Curtius, J.

“…We have sampled atmospheric ice nuclei (IN) and aerosol in Germany and in Israel during spring 2010. IN were analyzed by the static vapor diffusion chamber…”
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Modifiers and coatings in graphite furnace atomic absorption spectrometry—mechanisms of action (A tutorial review) by Ortner, H.M, Bulska, E, Rohr, U, Schlemmer, G, Weinbruch, S, Welz, B

“…A multitude of different and often contradictory mechanisms for the effects of modifiers and coatings have been proposed. Many of these proposals lack…”
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Characterization of volcanic ash from the 2011 Grímsvötn eruption by means of single-particle analysis by Lieke, K.I., Kristensen, T.B., Korsholm, U.S., Sørensen, J.H., Kandler, K., Weinbruch, S., Ceburnis, D., Ovadnevaite, J., O'Dowd, C.D., Bilde, M.

“…This work focuses on transport and properties of ash from the Icelandic volcano Grímsvötn that erupted in spring 2011. Atmospheric transport of volcanic ash…”
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Counterflow Virtual Impactor Based Collection of Small Ice Particles in Mixed-Phase Clouds for the Physico-Chemical Characterization of Tropospheric Ice Nuclei: Sampler Description and First Case Study by Mertes, S., Verheggen, B., Walter, S., Connolly, P., Ebert, M., Schneider, J., Bower, K. N., Cozic, J., Weinbruch, S., Baltensperger, U., Weingartner, E.

“…A ground-based sampling system named Ice-CVI is introduced that is able to extract small ice particles with sizes between 5 and 20 μ m out of mixed-phase…”
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Composition and mixing state of the urban background aerosol in the Rhein-Main area (Germany) by Vester, Barbara P., Ebert, Martin, Barnert, Eric B., Schneider, Johannes, Kandler, Konrad, Schütz, Lothar, Weinbruch, Stephan

“…Size-resolved aerosol particle samples in the size range 0.1–10 μm aerodynamic diameter were collected in the years 2003 and 2004 at an urban background…”
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Complex refractive index of aerosols during LACE 98 as derived from the analysis of individual particles by Ebert, M, Weinbruch, S, Rausch, A, Gorzawski, G, Hoffmann, P, Wex, H, Helas, G

“…During the Lindenberger Aerosol Characterization Experiment (LACE 98), impactor sampling of aerosol particles in the size range of 0.1 to 25 mu m was…”
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Chemical composition and morphology of individual aerosol particles from a CARIBIC flight at 10 km altitude between 50°N and 30°S by Nguyen, H. N., Martinsson, B. G., Wagner, J. B., Carlemalm, E., Ebert, M., Weinbruch, S., Brenninkmeijer, C. A. M., Heintzenberg, J., Hermann, M., Schuck, T., van Velthoven, P. F. J., Zahn, A.

“…Analysis of individual particles by analytical electron microscopy as well as quantitative analysis using particle‐induced X‐ray emission (PIXE) and particle…”
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Refractory forsterite in primitive meteorites: Condensates from the solar nebula? by WEINBRUCH, S., PALME, H., SPETTEL, B.

“…— All groups of chondritic meteorites contain discrete grains of forsteritic olivine with FeO contents below 1 wt% and high concentrations of refractory…”
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CHEMICAL CHARACTERIZATION OF NORTH SEA AEROSOL PARTICLES by Ebert, M., Weinbruch, S., Hoffmann, P., Ortner, H.M.

“…Aerosol particles with diameters between 0.1 and 25 μm were collected on the island of Helgoland (Germany) in October of 1996 (NORDEX 96 field campaign). The…”
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Factors governing breakaway oxidation of FeCrAl-based alloys by Gurrappa, I., Weinbruch, S., Naumenko, D., Quadakkers, W.J.

“…At temperatures above around 1100 °C the life time of FeCrAl based alloy components can be limited by oxidation. Growth and spalling of the protective alumina…”
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