Search Results - "Coen, M. Collaud"

Determination and climatology of the planetary boundary layer height above the Swiss plateau by in situ and remote sensing measurements as well as by the COSMO-2 model by Collaud Coen, M, Praz, C, Haefele, A, Ruffieux, D, Kaufmann, P, Calpini, B

“…The planetary boundary layer (PBL) height is a key parameter in air quality control and pollutant dispersion. The PBL height cannot, however, be directly…”
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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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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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Characterization and intercomparison of aerosol absorption photometers: result of two intercomparison workshops by Müller, T., Henzing, J. S., de Leeuw, G., Wiedensohler, A., Alastuey, A., Angelov, H., Bizjak, M., Collaud Coen, M., Engström, J. E., Gruening, C., Hillamo, R., Hoffer, A., Imre, K., Ivanow, P., Jennings, G., Sun, J. Y., Kalivitis, N., Karlsson, H., Komppula, M., Laj, P., Li, S.-M., Lunder, C., Marinoni, A., Martins dos Santos, S., Moerman, M., Nowak, A., Ogren, J. A., Petzold, A., Pichon, J. M., Rodriquez, S., Sharma, S., Sheridan, P. J., Teinilä, K., Tuch, T., Viana, M., Virkkula, A., Weingartner, E., Wilhelm, R., Wang, Y. Q.

“…Absorption photometers for real time application have been available since the 1980s, but the use of filter-based instruments to derive information on aerosol…”
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Identification and monitoring of Saharan dust: An inventory representative for south Germany since 1997 by Flentje, H., Briel, B., Beck, C., Collaud Coen, M., Fricke, M., Cyrys, J., Gu, J., Pitz, M., Thomas, W.

“…An inventory of Sahara dust (SD) events at the Hohenpeiβenberg Global Atmosphere Watch station (Germany) is presented for the period 1997–2013. Based on daily…”
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Aerosol climatology and planetary boundary influence at the Jungfraujoch analyzed by synoptic weather types by Collaud Coen, M., Weingartner, E., Furger, M., Nyeki, S., Prévôt, A. S. H., Steinbacher, M., Baltensperger, U.

“…Fourteen years of meteorological parameters, aerosol variables (absorption and scattering coefficients, aerosol number concentration) and trace gases (CO, NOx,…”
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Spatial variation of aerosol optical properties around the high-alpine site Jungfraujoch (3580 m a.s.l.) by Zieger, P, Kienast-Sjögren, E, Starace, M, von Bismarck, J, Bukowiecki, N, Baltensperger, U, Wienhold, F. G, Peter, T, Ruhtz, T, Collaud Coen, M, Vuilleumier, L, Maier, O, Emili, E, Popp, C, Weingartner, E

“…This paper presents results of the extensive field campaign CLACE 2010 (Cloud and Aerosol Characterization Experiment) performed in summer 2010 at the…”
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Aerosol decadal trends – Part 2: In-situ aerosol particle number concentrations at GAW and ACTRIS stations by Asmi, A., Collaud Coen, M., Ogren, J. A., Andrews, E., Sheridan, P., Jefferson, A., Weingartner, E., Baltensperger, U., Bukowiecki, N., Lihavainen, H., Kivekäs, N., Asmi, E., Aalto, P. P., Kulmala, M., Wiedensohler, A., Birmili, W., Hamed, A., O'Dowd, C., G Jennings, S., Weller, R., Flentje, H., Fjaeraa, A. M., Fiebig, M., Myhre, C. L., Hallar, A. G., Swietlicki, E., Kristensson, A., Laj, P.

“…We have analysed the trends of total aerosol particle number concentrations (N) measured at long-term measurement stations involved either in the Global…”
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Investigation of the Planetary Boundary Layer in the Swiss Alps Using Remote Sensing and In Situ Measurements by Ketterer, C., Zieger, P., Bukowiecki, N., Collaud Coen, M., Maier, O., Ruffieux, D., Weingartner, E.

“…The development of the planetary boundary layer (PBL) has been studied in a complex terrain using various remote sensing and in situ techniques. The…”
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New particle formation and ultrafine charged aerosol climatology at a high altitude site in the Alps (Jungfraujoch, 3580 m a.s.l., Switzerland) by Boulon, J., Sellegri, K., Venzac, H., Picard, D., Weingartner, E., Wehrle, G., Collaud Coen, M., Bütikofer, R., Flückiger, E., Baltensperger, U., Laj, P.

“…We investigate the formation and growth of charged aerosols clusters at Jungfraujoch, in the Swiss Alps (3580 m a.s.l.), the highest altitude site of the…”
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Tropospheric water vapour above Switzerland over the last 12 years by Morland, J., Collaud Coen, M., Hocke, K., Jeannet, P., Mätzler, C.

“…Integrated Water vapour (IWV) has been measured since 1994 by the TROWARA microwave radiometer in Bern, Switzerland. Homogenization techniques were used to…”
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Chemical composition of free tropospheric aerosol for PM1 and coarse mode at the high alpine site Jungfraujoch by Cozic, J., Verheggen, B., Weingartner, E., Crosier, J., Bower, K. N., Flynn, M., Coe, H., Henning, S., Steinbacher, M., Henne, S., Collaud Coen, M., Petzold, A., Baltensperger, U.

“…The chemical composition of submicron (fine mode) and supermicron (coarse mode) aerosol particles has been investigated at the Jungfraujoch high alpine…”
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Climatology of aerosol radiative properties in the free troposphere by Andrews, E., Ogren, J.A., Bonasoni, P., Marinoni, A., Cuevas, E., Rodríguez, S., Sun, J.Y., Jaffe, D.A., Fischer, E.V., Baltensperger, U., Weingartner, E., Coen, M. Collaud, Sharma, S., Macdonald, A.M., Leaitch, W.R., Lin, N.-H., Laj, P., Arsov, T., Kalapov, I., Jefferson, A., Sheridan, P.

“…High altitude mountaintop observatories provide the opportunity to study aerosol properties in the free troposphere without the added expense and difficulty of…”
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Long-term trend analysis of aerosol variables at the high-alpine site Jungfraujoch by Collaud Coen, M., Weingartner, E., Nyeki, S., Cozic, J., Henning, S., Verheggen, B., Gehrig, R., Baltensperger, U.

“…This study reports the first long‐term trend analysis of aerosol optical measurements at the high‐alpine site Jungfraujoch, which started 10.5 years ago. Since…”
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Study of adsorption and viscoelastic properties of proteins with a quartz crystal microbalance by measuring the oscillation amplitude by Galli Marxer, C., Collaud Coen, M., Schlapbach, L.

“…The adsorption kinetics of protein A, BSA, IgG, and fibronectin has been investigated using a homemade quartz crystal microbalance. Information about the…”
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Saharan dust events at the Jungfraujoch: detection by wavelength dependence of the single scattering albedo and first climatology analysis by Collaud Coen, M., Weingartner, E., Schaub, D., Hueglin, C., Corrigan, C., Henning, S., Schwikowski, M., Baltensperger, U.

“…Scattering and absorption coefficients have been measured continuously at several wavelengths since March 2001 at the high altitude site Jungfraujoch…”
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Driving Factors of Aerosol Properties Over the Foothills of Central Himalayas Based on 8.5 Years Continuous Measurements by Hooda, R. K., Kivekäs, N., O'Connor, E. J., Collaud Coen, M., Pietikäinen, J.‐P., Vakkari, V., Backman, J., Henriksson, S. V., Asmi, E., Komppula, M., Korhonen, H., Hyvärinen, A.‐P., Lihavainen, H.

“…This study presents analysis of in situ measurements conducted over the period 2005–2014 in the Indian Himalayas to give a thorough overview of the factors and…”
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AFM measurements of the topography and the roughness of ECR plasma treated polypropylene by Collaud Coen, M., Dietler, G., Kasas, S., Gröning, P.

“…Polypropylene (PP) samples have been treated in an ECR-rf plasma with several gases and at different treatment times and rf-potentials. Modifications of the…”
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Creation of nanostructures to study the topographical dependency of protein adsorption by Galli, C., Collaud Coen, M., Hauert, R., Katanaev, V.L., Gröning, P., Schlapbach, L.

“…Nanostructures of sizes comparable to protein dimensions are created on Si and Ti surfaces by local anodic oxidation (LAO) using the atomic force microscope…”
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Protein adsorption on topographically nanostructured titanium by Galli, C., Collaud Coen, M., Hauert, R., Katanaev, V.L., Wymann, M.P., Gröning, P., Schlapbach, L.

“…We study the protein adsorption on surfaces in order to investigate their predominant role in biocompatibility. Nanostructures are created by local anodic…”
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