Now showing items 1-6 of 6

  • 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 ...
  • 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 ...
  • Applicability of condensation particle counters to measure atmospheric clusters 

    Sipilä, M.; Lehtipalo, K.; Kulmala, M.; Petäjä, T.; Junninen, H.; Aalto, P. P.; Manninen, H. E.; Kyrö, E.-M.; Asmi, E.; Riipinen, I.; Curtius, J.; Kürten, A.; Borrmann, S.; O'Dowd, C. D. (Copernicus GmbH, 2008-07-25)
    This study presents an evaluation of a pulse height condensation particle counter (PH-CPC) and an expansion condensation particle counter (E-CPC) in terms of measuring ambient and laboratory-generated molecular and ion ...
  • Atmospheric particle formation events at värriö measurement station in finnish lapland 1998-2002 

    Vehkamäki, H.; Dal Maso, M.; Hussein, T.; Flanagan, R.; Hyvärinen, A.; Lauros, J.; Merikanto, P.; Mönkkönen, M.; Pihlatie, K.; Salminen, K.; Sogacheva, L.; Thum, T.; Ruuskanen, T. M.; Keronen, P.; Aalto, P. P.; Hari, P.; Lehtinen, K. E. J.; Rannik, Ü; Kulmala, M. (Copernicus GmbH, 2004-10-05)
    During the calendar years 1998 - 2002, 147 clear 8 nm diameter particle formation events have been identified at the SMEAR I station in Varrio, northern Finland. The events have been classified in detail according to the ...
  • 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 ...
  • 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 ...