Browsing by Author "Baltensperger, U."

Now showing items 1-18 of 18

    • A synthesis of cloud condensation nuclei counter (ccnc) measurements within the eucaari network 

      Paramonov, M.; Kerminen, V.-M.; Gysel, M.; Aalto, P. P.; Andreae, M. O.; Asmi, E.; Baltensperger, U.; Bougiatioti, A.; Brus, D.; Frank, G. P.; Good, N.; Gunthe, S. S.; Hao, L.; Irwin, M.; Jaatinen, A.; Jurányi, Z.; King, S. M.; Kortelainen, A.; Kristensson, A.; Lihavainen, H.; Kulmala, M.; Lohmann, U.; Martin, S. T.; McFiggans, G.; Mihalopoulos, N.; Nenes, A.; O'Dowd, C. D.; Ovadnevaite, J.; Petäjä, T.; Pöschl, U.; Roberts, G. C.; Rose, D.; Svenningsson, B.; Swietlicki, E.; Weingartner, E.; Whitehead, J.; Wiedensohler, A.; Wittbom, C.; Sierau, B. (Copernicus GmbH, 2015-11-04)
      Cloud condensation nuclei counter (CCNC) measurements performed at 14 locations around the world within the European Integrated project on Aerosol Cloud Climate and Air Quality interactions (EUCAARI) framework have been ...

    • Actris acsm intercomparison – part 1: reproducibility of concentration and fragment results from 13 individual quadrupole aerosol chemical speciation monitors (q-acsm) and consistency with co-located instruments 

      Crenn, V.; Sciare, J.; Croteau, P. L.; Verlhac, S.; Fröhlich, R.; Belis, C. A.; Aas, W.; Äijälä, M.; Alastuey, A.; Artiñano, B.; Baisnée, D.; Bonnaire, N.; Bressi, M.; Canagaratna, M.; Canonaco, F.; Carbone, C.; Cavalli, F.; Coz, E.; Cubison, M. J.; Esser-Gietl, J. K.; Green, D. C.; Gros, V.; Heikkinen, L.; Herrmann, H.; Lunder, C.; Minguillón, M. C.; Močnik, G.; O'Dowd, C. D.; Ovadnevaite, J.; Petit, J.-E.; Petralia, E.; Poulain, L.; Priestman, M.; Riffault, V.; Ripoll, A.; Sarda-Estève, R.; Slowik, J. G.; Setyan, A.; Wiedensohler, A.; Baltensperger, U.; Prévôt, A. S. H.; Jayne, J. T.; Favez, O. (Copernicus GmbH, 2015-12-02)
      As part of the European ACTRIS project, the first large Quadrupole Aerosol Chemical Speciation Monitor (Q-ACSM) intercomparison study was conducted in the region of Paris for 3 weeks during the late-fall-early-winter period ...

    • Actris acsm intercomparison – part 2: intercomparison of me-2 organic source apportionment results from 15 individual, co-located aerosol mass spectrometers 

      Fröhlich, R.; Crenn, V.; Setyan, A.; Belis, C. A.; Canonaco, F.; Favez, O.; Riffault, V.; Slowik, J. G.; Aas, W.; Aijälä, M.; Alastuey, A.; Artiñano, B.; Bonnaire, N.; Bozzetti, C.; Bressi, M.; Carbone, C.; Coz, E.; Croteau, P. L.; Cubison, M. J.; Esser-Gietl, J. K.; Green, D. C.; Gros, V.; Heikkinen, L.; Herrmann, H.; Jayne, J. T.; Lunder, C. R.; Minguillón, M. C.; Močnik, G.; O'Dowd, C. D.; Ovadnevaite, J.; Petralia, E.; Poulain, L.; Priestman, M.; Ripoll, A.; Sarda-Estève, R.; Wiedensohler, A.; Baltensperger, U.; Sciare, J.; Prévôt, A. S. H. (Copernicus GmbH, 2015-06-24)
      Chemically resolved atmospheric aerosol data sets from the largest intercomparison of the Aerodyne aerosol chemical speciation monitors (ACSMs) performed to date were collected at the French atmospheric supersite SIRTA. ...

    • Aerosol decadal trends – part 1: in-situ optical measurements at gaw and improve stations 

      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. (Copernicus GmbH, 2013-01-22)
      Currently many ground-based atmospheric stations include in-situ measurements of aerosol physical and optical properties, resulting in more than 20 long-term (> 10 yr) aerosol measurement sites in the Northern ...

    • Aerosol decadal trends – part 2: in-situ aerosol particle number concentrations at gaw and actris stations 

      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. (Copernicus GmbH, 2013-01-22)
      We have analysed the trends of total aerosol particle number concentrations (N) measured at long-term measurement stations involved either in the Global Atmosphere Watch (GAW) and/or EU infrastructure project ACTRIS. The ...

    • Atmospheric composition change – global and regional air quality 

      Monks, P.S.; Granier, C.; Fuzzi, S.; Stohl, A.; Williams, M.L.; Akimoto, H.; Amann, M.; Baklanov, A.; Baltensperger, U.; Bey, I.; Blake, N.; Blake, R.S.; Carslaw, K.; Cooper, O.R.; Dentener, F.; Fowler, D.; Fragkou, E.; Frost, G.J.; Generoso, S.; Ginoux, P.; Grewe, V.; Guenther, A.; Hansson, H.C.; Henne, S.; Hjorth, J.; Hofzumahaus, A.; Huntrieser, H.; Isaksen, I.S.A.; Jenkin, M.E.; Kaiser, J.; Kanakidou, M.; Klimont, Z.; Kulmala, M.; Laj, P.; Lawrence, M.G.; Lee, J.D.; Liousse, C.; Maione, M.; McFiggans, G.; Metzger, A.; Mieville, A.; Moussiopoulos, N.; Orlando, J.J.; O'Dowd, C.D.; Palmer, P.I.; Parrish, D.D.; Petzold, A.; Platt, U.; Pöschl, U.; Prévôt, A.S.H.; Reeves, C.E.; Reimann, S.; Rudich, Y.; Sellegri, K.; Steinbrecher, R.; Simpson, D.; ten Brink, H.; Theloke, J.; van der Werf, G.R.; Vautard, R.; Vestreng, V.; Vlachokostas, Ch.; von Glasow, R. (Elsevier BV, 2009-10-01)

    • Corrigendum to "introduction: european integrated project on aerosol cloud climate and air quality interactions (eucaari) – integrating aerosol research from nano to global scales" published in atmos. chem. phys., 9, 2825–2841, 2009 

      Kulmala, M.; Asmi, A.; Lappalainen, H. K.; Carslaw, K. S.; Pöschl, U.; Baltensperger, U.; Hov, Ø.; Brenguier, J.-L.; Pandis, S. N.; Facchini, M. C.; Hansson, H.-C.; Wiedensohler, A.; O'Dowd, C. D. (Copernicus GmbH, 2009-05-28)

    • Explaining global surface aerosol number concentrations in terms of primary emissions and particle formation 

      Spracklen, D. V.; Carslaw, K. S.; Merikanto, J.; Mann, G. W.; Reddington, C. L.; Pickering, S.; Ogren, J. A.; Andrews, E.; Baltensperger, U.; Weingartner, E.; Boy, M.; Kulmala, M.; Laakso, L.; Lihavainen, H.; Kivekäs, N.; Komppula, M.; Mihalopoulos, N.; Kouvarakis, G.; Jennings, S. G.; O'Dowd, C.; Birmili, W.; Wiedensohler, A.; Weller, R.; Gras, J.; Laj, P.; Sellegri, K.; Bonn, B.; Krejci, R.; Laaksonen, A.; Hamed, A.; Minikin, A.; Harrison, R. M.; Talbot, R.; Sun, J. (Copernicus GmbH, 2010-05-26)
      We synthesised observations of total particle number (CN) concentration from 36 sites around the world. We found that annual mean CN concentrations are typically 300-2000 cm(-3) in the marine boundary layer and free ...

    • General overview: european integrated project on aerosol cloud climate and air quality interactions (eucaari) – integrating aerosol research from nano to global scales 

      Kulmala, M.; Asmi, A.; Lappalainen, H. K.; Baltensperger, U.; Brenguier, J.-L.; Facchini, M. C.; Hansson, H.-C.; Hov, Ø.; O'Dowd, C. D.; Pöschl, U.; Wiedensohler, A.; Boers, R.; Boucher, O.; de Leeuw, G.; Denier van der Gon, H. A. C.; Feichter, J.; Krejci, R.; Laj, P.; Lihavainen, H.; Lohmann, U.; McFiggans, G.; Mentel, T.; Pilinis, C.; Riipinen, I.; Schulz, M.; Stohl, A.; Swietlicki, E.; Vignati, E.; Alves, C.; Amann, M.; Ammann, M.; Arabas, S.; Artaxo, P.; Baars, H.; Beddows, D. C. S.; Bergström, R.; Beukes, J. P.; Bilde, M.; Burkhart, J. F.; Canonaco, F.; Clegg, S. L.; Coe, H.; Crumeyrolle, S.; D'Anna, B.; Decesari, S.; Gilardoni, S.; Fischer, M.; Fjaeraa, A. M.; Fountoukis, C.; George, C.; Gomes, L.; Halloran, P.; Hamburger, T.; Harrison, R. M.; Herrmann, H.; Hoffmann, T.; Hoose, C.; Hu, M.; Hyvärinen, A.; Hõrrak, U.; Iinuma, Y.; Iversen, T.; Josipovic, M.; Kanakidou, M.; Kiendler-Scharr, A.; Kirkevåg, A.; Kiss, G.; Klimont, Z.; Kolmonen, P.; Komppula, M.; Kristjánsson, J.-E.; Laakso, L.; Laaksonen, A.; Labonnote, L.; Lanz, V. A.; Lehtinen, K. E. J.; Rizzo, L. V.; Makkonen, R.; Manninen, H. E.; McMeeking, G.; Merikanto, J.; Minikin, A.; Mirme, S.; Morgan, W. T.; Nemitz, E.; O'Donnell, D.; Panwar, T. S.; Pawlowska, H.; Petzold, A.; Pienaar, J. J.; Pio, C.; Plass-Duelmer, C.; Prévôt, A. S. H.; Pryor, S.; Reddington, C. L.; Roberts, G.; Rosenfeld, D.; Schwarz, J.; Seland, Ø.; Sellegri, K.; Shen, X. J.; Shiraiwa, M.; Siebert, H.; Sierau, B.; Simpson, D.; Sun, J. Y.; Topping, D.; Tunved, P.; Vaattovaara, P.; Vakkari, V.; Veefkind, J. P.; Visschedijk, A.; Vuollekoski, H.; Vuolo, R.; Wehner, B.; Wildt, J.; Woodward, S.; Worsnop, D. R.; van Zadelhoff, G.-J.; Zardini, A. A.; Zhang, K.; van Zyl, P. G.; Kerminen, V.-M.; S Carslaw, K.; Pandis, S. N. (Copernicus GmbH, 2011-12-21)
      In this paper we describe and summarize the main achievements of the European Aerosol Cloud Climate and Air Quality Interactions project (EUCAARI). EUCAARI started on 1 January 2007 and ended on 31 December 2010 leaving a ...

    • Intercomparison and evaluation of global aerosol microphysical properties among aerocom models of a range of complexity 

      Mann, G. W.; Carslaw, K. S.; Reddington, C. L.; Pringle, K. J.; Schulz, M.; Asmi, A.; Spracklen, D. V.; Ridley, D. A.; Woodhouse, M. T.; Lee, L. A.; Zhang, K.; Ghan, S. J.; Easter, R. C.; Liu, X.; Stier, P.; Lee, Y. H.; Adams, P. J.; Tost, H.; Lelieveld, J.; Bauer, S. E.; Tsigaridis, K.; van Noije, T. P. C.; Strunk, A.; Vignati, E.; Bellouin, N.; Dalvi, M.; Johnson, C. E.; Bergman, T.; Kokkola, H.; von Salzen, K.; Yu, F.; Luo, G.; Petzold, A.; Heintzenberg, J.; Clarke, A.; Ogren, J. A.; Gras, J.; Baltensperger, U.; Kaminski, U.; Jennings, S. G.; O'Dowd, C. D.; Harrison, R. M.; Beddows, D. C. S.; Kulmala, M.; Viisanen, Y.; Ulevicius, V.; Mihalopoulos, N.; Zdimal, V.; Fiebig, M.; Hansson, H.-C.; Swietlicki, E.; Henzing, J. S. (Copernicus GmbH, 2014-05-13)
      Many of the next generation of global climate models will include aerosol schemes which explicitly simulate the microphysical processes that determine the particle size distribution. These models enable aerosol optical ...

    • Introduction: european integrated project on aerosol cloud climate and air quality interactions (eucaari) – integrating aerosol research from nano to global scales 

      Kulmala, M.; Asmi, A.; Lappalainen, H. K.; Carslaw, K. S.; Pöschl, U.; Baltensperger, U.; Hov, Ø.; Brenquier, J.-L.; Pandis, S. N.; Facchini, M. C.; Hansson, H.-C.; Wiedensohler, A.; O'Dowd, C. D. (Copernicus GmbH, 2009-04-27)
      The European Aerosol Cloud Climate and Air Quality Interactions project EUCAARI is an EU Research Framework 6 integrated project focusing on understanding the interactions of climate and air pollution. EUCAARI works in an ...

    • Light scattering enhancement factors in the marine boundary layer (mace head, ireland) 

      Fierz-Schmidhauser, R.; Zieger, P.; Vaishya, A.; Monahan, C.; Bialek, J.; O'Dowd, C. D.; Jennings, S. G.; Baltensperger, U.; Weingartner, E. (Wiley-Blackwell, 2010-10-20)
      Direct climate aerosol radiative forcing is influenced by the light scattering of atmospheric aerosols. The chemical composition, the size distribution, and the ambient relative humidity (RH) determine the amount of visible ...

    • Number size distributions and seasonality of submicron particles in europe 2008–2009 

      Asmi, A.; Wiedensohler, A.; Laj, P.; Fjaeraa, A.-M.; Sellegri, K.; Birmili, W.; Weingartner, E.; Baltensperger, U.; Zdimal, V.; Zikova, N.; Putaud, J.-P.; Marinoni, A.; Tunved, P.; Hansson, H.-C.; Fiebig, M.; Kivekäs, N.; Lihavainen, H.; Asmi, E.; Ulevicius, V.; Aalto, P. P.; Swietlicki, E.; Kristensson, A.; Mihalopoulos, N.; Kalivitis, N.; Kalapov, I.; Kiss, G.; de Leeuw, G.; Henzing, B.; Harrison, R. M.; Beddows, D.; O'Dowd, C.; Jennings, S. G.; Flentje, H.; Weinhold, K.; Meinhardt, F.; Ries, L.; Kulmala, M. (Copernicus GmbH, 2011-06-15)
      Two years of harmonized aerosol number size distribution data from 24 European field monitoring sites have been analysed. The results give a comprehensive overview of the European near surface aerosol particle number ...

    • Organic aerosol components derived from 25 ams data sets across europe using a consistent me-2 based source apportionment approach 

      Crippa, M.; Canonaco, F.; Lanz, V. A.; Äijälä, M.; Allan, J. D.; Carbone, S.; Capes, G.; Ceburnis, D.; Dall'Osto, M.; Day, D. A.; DeCarlo, P. F.; Ehn, M.; Eriksson, A.; Freney, E.; Hildebrandt Ruiz, L.; Hillamo, R.; Jimenez, J. L.; Junninen, H.; Kiendler-Scharr, A.; Kortelainen, A.-M.; Kulmala, M.; Laaksonen, A.; Mensah, A. A.; Mohr, C.; Nemitz, E.; O'Dowd, C.; Ovadnevaite, J.; Pandis, S. N.; Petäjä, T.; Poulain, L.; Saarikoski, S.; Sellegri, K.; Swietlicki, E.; Tiitta, P.; Worsnop, D. R.; Baltensperger, U.; Prévôt, A. S. H. (Copernicus GmbH, 2014-06-23)
      Organic aerosols (OA) represent one of the major constituents of submicron particulate matter (PM1) and comprise a huge variety of compounds emitted by different sources. Three intensive measurement field campaigns to ...

    • Primary versus secondary contributions to particle number concentrations in the european boundary layer 

      Reddington, C. L.; Carslaw, K. S.; Spracklen, D. V.; Frontoso, M. G.; Collins, L.; Merikanto, J.; Minikin, A.; Hamburger, T.; Coe, H.; Kulmala, M.; Aalto, P.; Flentje, H.; Plass-Dülmer, C.; Birmili, W.; Wiedensohler, A.; Wehner, B.; Tuch, T.; Sonntag, A.; O'Dowd, C. D.; Jennings, S. G.; Dupuy, R.; Baltensperger, U.; Weingartner, E.; Hansson, H.-C.; Tunved, P.; Laj, P.; Sellegri, K.; Boulon, J.; Putaud, J.-P.; Gruening, C.; Swietlicki, E.; Roldin, P.; Henzing, J. S.; Moerman, M.; Mihalopoulos, N.; Kouvarakis, G.; Ždímal, V.; Zíková, N.; Marinoni, A.; Bonasoni, P.; Duchi, R. (Copernicus GmbH, 2011-12-05)
      It is important to understand the relative contribution of primary and secondary particles to regional and global aerosol so that models can attribute aerosol radiative forcing to different sources. In large-scale models, ...

    • The effect of physical and chemical aerosol properties on warm cloud droplet activation 

      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. (Copernicus GmbH, 2006-07-05)
      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 cloud radiative properties, or the "indirect effects" ...

    • The regional aerosol-climate model remo-ham 

      Pietikäinen, J.-P.; O'Donnell, D.; Teichmann, C.; Karstens, U.; Pfeifer, S.; Kazil, J.; Podzun, R.; Fiedler, S.; Kokkola, H.; Birmili, W.; O'Dowd, C.; Baltensperger, U.; Weingartner, E.; Gehrig, R.; Spindler, G.; Kulmala, M.; Feichter, J.; Jacob, D.; Laaksonen, A. (Copernicus GmbH, 2012-11-01)
      REMO-HAM is a new regional aerosol-climate model. It is based on the REMO regional climate model and includes most of the major aerosol processes. The structure for aerosol is similar to the global aerosol-climate model ...

    • Variations in tropospheric submicron particle size distributions across the european continent 2008–2009 

      Beddows, D. C. S.; Dall'Osto, M.; Harrison, R. M.; Kulmala, M.; Asmi, A.; Wiedensohler, A.; Laj, P.; Fjaeraa, A.M.; Sellegri, K.; Birmili, W.; Bukowiecki, N.; Weingartner, E.; Baltensperger, U.; Zdimal, V.; Zikova, N.; Putaud, J.-P.; Marinoni, A.; Tunved, P.; Hansson, H.-C.; Fiebig, M.; Kivekäs, N.; Swietlicki, E.; Lihavainen, H.; Asmi, E.; Ulevicius, V.; Aalto, P. P.; Mihalopoulos, N.; Kalivitis, N.; Kalapov, I.; Kiss, G.; de Leeuw, G.; Henzing, B.; O'Dowd, C.; Jennings, S. G.; Flentje, H.; Meinhardt, F.; Ries, L.; Denier van der Gon, H. A. C.; Visschedijk, A. J. H. (Copernicus GmbH, 2014-04-30)
      Cluster analysis of particle number size distributions from background sites across Europe is presented. This generated a total of nine clusters of particle size distributions which could be further combined into two main ...