Search Results - "Weingartner, E"

Effects of relative humidity on aerosol light scattering: results from different European sites by Zieger, P, Fierz-Schmidhauser, R, Weingartner, E, Baltensperger, U

“…The effect of aerosol water uptake on the aerosol particle light scattering coefficient (σsp) is described in this study by comparing measurements from five…”
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A European aerosol phenomenology-5: Climatology of black carbon optical properties at 9 regional background sites across Europe by Zanatta, M., Gysel, M., Bukowiecki, N., Müller, T., Weingartner, E., Areskoug, H., Fiebig, M., Yttri, K.E., Mihalopoulos, N., Kouvarakis, G., Beddows, D., Harrison, R.M., Cavalli, F., Putaud, J.P., Spindler, G., Wiedensohler, A., Alastuey, A., Pandolfi, M., Sellegri, K., Swietlicki, E., Jaffrezo, J.L., Baltensperger, U., Laj, P.

“…A reliable assessment of the optical properties of atmospheric black carbon is of crucial importance for an accurate estimation of radiative forcing. In this…”
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Black carbon physical properties and mixing state in the European megacity Paris by Laborde, M, Crippa, M, Tritscher, T, Jurányi, Z, Decarlo, P. F, Temime-Roussel, B, Marchand, N, Eckhardt, S, Stohl, A, Baltensperger, U, Prévôt, A. S. H, Weingartner, E, Gysel, M

“…Aerosol hygroscopicity and refractory black carbon (rBC) properties were characterised during wintertime at a suburban site in Paris, one of the biggest…”
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A study of wood burning and traffic aerosols in an Alpine valley using a multi-wavelength Aethalometer by Sandradewi, J., Prévôt, A.S.H., Weingartner, E., Schmidhauser, R., Gysel, M., Baltensperger, U.

“…We present a study of aerosol light absorption using a multi-wavelength Aethalometer ( λ=370–950 nm) in an Alpine valley where the major local emissions of…”
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New particle formation in the free troposphere: A question of chemistry and timing by Bianchi, F., Tröstl, J., Junninen, H., Frege, C., Henne, S., Hoyle, C. R., Molteni, U., Herrmann, E., Adamov, A., Bukowiecki, N., Chen, X., Duplissy, J., Gysel, M., Hutterli, M., Kangasluoma, J., Kontkanen, J., Kürten, A., Manninen, H. E., Münch, S., Peräkylä, O., Petäjä, T., Rondo, L., Williamson, C., Weingartner, E., Curtius, J., Worsnop, D. R., Kulmala, M., Dommen, J., Baltensperger, U.

“…New particle formation (NPF) is the source of over half of the atmosphere's cloud condensation nuclei, thus influencing cloud properties and Earth's energy…”
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Relating hygroscopicity and composition of organic aerosol particulate matter by Duplissy, J., DeCarlo, P. F., Dommen, J., Alfarra, M. R., Metzger, A., Barmpadimos, I., Prevot, A. S. H., Weingartner, E., Tritscher, T., Gysel, M., Aiken, A. C., Jimenez, J. L., Canagaratna, M. R., Worsnop, D. R., Collins, D. R., Tomlinson, J., Baltensperger, U.

“…A hygroscopicity tandem differential mobility analyzer (HTDMA) was used to measure the water uptake (hygroscopicity) of secondary organic aerosol (SOA) formed…”
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Investigations of primary and secondary particulate matter of different wood combustion appliances with a high-resolution time-of-flight aerosol mass spectrometer by Heringa, M. F., DeCarlo, P. F., Chirico, R., Tritscher, T., Dommen, J., Weingartner, E., Richter, R., Wehrle, G., Prévôt, A. S. H., Baltensperger, U.

“…A series of photo-oxidation smog chamber experiments were performed to investigate the primary emissions and secondary aerosol formation from two different log…”
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Absorption of light by soot particles: determination of the absorption coefficient by means of aethalometers by Weingartner, E., Saathoff, H., Schnaiter, M., Streit, N., Bitnar, B., Baltensperger, U.

“…During a soot aerosol measurement campaign the response of two different aethalometers (AE10 with white light and AE30 with multiwavelength capability) to…”
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The effect of physical and chemical aerosol properties on warm cloud droplet activation by McFiggans, G., Artaxo, P., Baltensperger, U., Coe, H., Facchini, M. C., Feingold, G., Fuzzi, S., Gysel, M., Laaksonen, A., Lohmann, U., Mentel, T. F., Murphy, D. M., O'Dowd, C. D., Snider, J. R., Weingartner, E.

“…The effects of atmospheric aerosol on climate forcing may be very substantial but are quantified poorly at present; in particular, the effects of aerosols on…”
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Impact of aftertreatment devices on primary emissions and secondary organic aerosol formation potential from in-use diesel vehicles: results from smog chamber experiments by Chirico, R., DeCarlo, P. F., Heringa, M. F., Tritscher, T., Richter, R., Prévôt, A. S. H., Dommen, J., Weingartner, E., Wehrle, G., Gysel, M., Laborde, M., Baltensperger, U.

“…Diesel particulate matter (DPM) is a significant source of aerosol in urban areas and has been linked to adverse health effects. Although newer European…”
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Identification of Polymers as Major Components of Atmospheric Organic Aerosols by Kalberer, M., Paulsen, D., Sax, M., Steinbacher, M., Dommen, J., Prevot, A. S. H., Fisseha, R., Weingartner, E., Frankevich, V., Zenobi, R., Baltensperger, U.

“…Results from photooxidation of aromatic compounds in a reaction chamber show that a substantial fraction of the organic aerosol mass is composed of polymers…”
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Ice nuclei properties within a Saharan dust event at the Jungfraujoch in the Swiss Alps by Chou, C., Stetzer, O., Weingartner, E., Jurányi, Z., Kanji, Z. A., Lohmann, U.

“…The new portable ice nucleation chamber (PINC) developed by the Institute for Atmospheric and Climate Sciences of ETH Zurich was operated during two…”
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Effects of relative humidity on aerosol light scattering in the Arctic by Zieger, P., Fierz-Schmidhauser, R., Gysel, M., Ström, J., Henne, S., Yttri, K. E., Baltensperger, U., Weingartner, E.

“…Aerosol particles experience hygroscopic growth in the ambient atmosphere. Their optical properties – especially the aerosol light scattering – are therefore…”
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Physical Properties, Chemical Composition, and Cloud Forming Potential of Particulate Emissions from a Marine Diesel Engine at Various Load Conditions by Petzold, A, Weingartner, E, Hasselbach, J, Lauer, P, Kurok, C, Fleischer, F

“…Particulate matter (PM) emissions from one serial 4-stroke medium-speed marine diesel engine were measured for load conditions from 10% to 110% in test rig…”
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Experimental studies on particle emissions from cruising ship, their characteristic properties, transformation and atmospheric lifetime in the marine boundary layer by Petzold, A., Hasselbach, J., Lauer, P., Baumann, R., Franke, K., Gurk, C., Schlager, H., Weingartner, E.

“…Particle emissions from ship engines and their atmospheric transformation in the marine boundary layer (MBL) were investigated in engine test bed studies and…”
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Surface-to-mountaintop transport characterised by radon observations at the Jungfraujoch by Griffiths, A. D, Conen, F, Weingartner, E, Zimmermann, L, Chambers, S. D, Williams, A. G, Steinbacher, M

“…Atmospheric composition measurements at Jungfraujoch are affected intermittently by boundary-layer air which is brought to the station by processes including…”
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A 17 month climatology of the cloud condensation nuclei number concentration at the high alpine site Jungfraujoch by Jurányi, Z., Gysel, M., Weingartner, E., Bukowiecki, N., Kammermann, L., Baltensperger, U.

“…Between May 2008 and September 2009 the cloud condensation nuclei (CCN) number concentration, NCCN, was measured at the high alpine site Jungfraujoch, which is…”
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Minimizing light absorption measurement artifacts of the Aethalometer: evaluation of five correction algorithms by Collaud Coen, M., Weingartner, E., Apituley, A., Ceburnis, D., Fierz-Schmidhauser, R., Flentje, H., Henzing, J. S., Jennings, S. G., Moerman, M., Petzold, A., Schmid, O., Baltensperger, U.

“…The aerosol light absorption coefficient is an essential parameter involved in atmospheric radiation budget calculations. The Aethalometer (AE) has the great…”
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Volatility and hygroscopicity of aging secondary organic aerosol in a smog chamber by Tritscher, T., Dommen, J., DeCarlo, P. F., Gysel, M., Barmet, P. B., Praplan, A. P., Weingartner, E., Prévôt, A. S. H., Riipinen, I., Donahue, N. M., Baltensperger, U.

“…The evolution of secondary organic aerosols (SOA) during (photo-)chemical aging processes was investigated in a smog chamber. Fresh SOA from ozonolysis of 10…”
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Aerosol decadal trends – Part 1: In-situ optical measurements at GAW and IMPROVE stations by Collaud Coen, M., Andrews, E., Asmi, A., Baltensperger, U., Bukowiecki, N., Day, D., Fiebig, M., Fjaeraa, A. M., Flentje, H., Hyvärinen, A., Jefferson, A., Jennings, S. G., Kouvarakis, G., Lihavainen, H., Lund Myhre, C., Malm, W. C., Mihapopoulos, N., Molenar, J. V., O'Dowd, C., Ogren, J. A., Schichtel, B. A., Sheridan, P., Virkkula, A., Weingartner, E., Weller, R., Laj, P.

“…Currently many ground-based atmospheric stations include in-situ measurements of aerosol physical and optical properties, resulting in more than 20 long-term…”
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