CV Veli-Matti Kerminen

Title Research Professor

Contact veli-matti.kerminen@fmi.fi

Postal address Finnish Meteorological Institute, P.O. Box 503, FI-00101 HELSINKI

Street address Erik Palménin Aukio 1, FI-00560 HELSINKI

Phone number +358 29 539 5501

Fax +358 29 539 3503

Fields of expertise

  • Atmospheric aerosols and their climatic effects
  • Aerosol-trace gas and aerosol-cloud interactions
  • Modeling and parameterisation of atmospheric aerosol phenomena

University and other degrees

  • 1992: M.Sc. (theoretical physics), University of Helsinki, Finland
  • 1993: Lic. Phil. (theoretical physics), University of Helsinki, Finland
  • 1995: Ph.D. (theoretical physics), University of Helsinki, Finland
  • 1997: Docent (physics), University of Helsinki, Finland
  • 2000: Docent (environmental physics), University of Kuopio, Finland

Previous professional appointments

  • Finnish Meteorological Institute, Air Quality Research: – research scientist (23 months), 1990-1993 – senior research scientist 1995-2002
  • University of Delaware, Department of Mechanical Engineering: visiting scientist (20 months) 1993-1995
  • University of Helsinki, Department of Physics: professor (9 months) 2009-2010

Other professional activities

List of publications

Hillamo R. E., Kerminen V.-M., Maenhaut W., Jaffrezo J.-L., Balachandran S. and Davidson C. I. (1993) Size Distributions of atmospheric trace elements at Dye 3, Greenland - I. Distribution characteristics and dry deposition velocities. Atmos. Environ. 27A, 2787-2802.

Kerminen V.-M. (1994) Simulation of Brownian coagulation at the presence of van deWaals forces and viscous interactions. Aerosol Sci. Technol. 20, 207-215.

Kerminen V.-M. and Wexler A. S. (1994) Post-fog nucleation of H2SO4-H2O particles in smog. Atmos. Environ. 28, 2399-2406.

Kerminen V.-M. and Wexler A. S. (1994) Particle formation due to SO2 oxidation and high relative humidity in the remote marine boundary layer. J. Geophys. Res. 99, 25,607-25,614.

Kerminen V.-M. and Wexler A. S. (1995) The interdependence of aerosol processes and mixing in point source plumes. Atmos. Environ. 29, 361-375.

Kerminen V.-M. and Wexler A. S. (1995) Enhanced formation, and development of sulfate particles due to marine boundary layer circulation. J. Geophys. Res. 100, 23,501-23,062.

Kerminen V.-M. and Wexler A. S. (1995) Growth laws for atmospheric aerosol particles: An examination of the bimodality of the accumulation mode. Atmos. Environ. 29, 3263-3275.

Kulmala M., Kerminen V.-M. and Laaksonen A. (1995) Simulation on the effect of sulphuric acid formation on atmospheric aerosol concentrations. Atmos. Environ. 29, 377-382.

Kerminen V.-M. and Wexler A. S. (1996) The occurrence of sulfuric acid-water nucleation in plumes: urban environment. Tellus 48B, 65-82.

Pakkanen T. A., Kerminen V.-M., Hillamo R. E., Mäkinen M., Mäkelä T. and Virkkula A. (1996) Distribution of nitrate over sea-salt and soil derived particles _ implications from a field study. J. Atmos. Chem. 24, 189-205.

Kulmala M., Laaksonen A., Aalto P., Vesala T. Pirjola L., Kerminen V.-M., Korhonen P., Hillamo R., Virkkula A. and Aurela M. (1996) Formation, growth, and properties of atmospheric aerosol particles and cloud droplets. Geophysica 32, 217-233.

Kerminen V.-M. (1997) The effects of particle chemical character and atmospheric processes on particle hygroscopic properties. J. Aerosol Sci. 28, 121-132.

Kerminen V.-M., Wexler A. S. and Potukuchi S. (1997) Growth of freshly nucleated particles in the troposphere: Roles of NH3, H2SO4, HNO3 and HCl. J. Geophys. Res. 102, 3715-3724.


Kerminen V.-M., Aurela M., Hillamo R. E. and Virkkula A. (1997) Formation of particulate MSA: deductions from size distribution measurements in the Finnish Arctic. Tellus 49B, 159-171.

Kerminen V.-M., Pakkanen T. A. and Hillamo R. E. (1997) Interactions between inorganic trace gases and supermicrometer particles at a coastal site. Atmos. Environ. 31, 2753-2765.

Kerminen V.-M., Mäkelä T. E., Ottosson C. H., Hillamo R. E., Vilhunen J. K., Rantanen L., Havers N., von Bohlen A. and Klockow D. (1997) Characterization of the particulate phase in the exhaust from a diesel car. Environ. Sci. Technol. 31, 1883-1889.

Kerminen V.-M. and Wexler A. S. (1997) Growth behavior of the marine submicron boundary-layer aerosol. J. Geophys. Res. 102, 18,813-18,825.

Virkkula A., Hillamo R. E., Kerminen V.-M. and Stohl A. (1997) The influence of Kola Peninsula, continental European and marine sources on the number concentrations and scattering coefficients of the atmospheric aerosol in Finnish Lapland. Boreal Env. Res. 2, 317-336.

Hillamo R., Allegrini I., Sparapani R. and Kerminen V.-M. (1998) Mass size distributions and precursor gas concentrations of major inorganic ions in Antarctic aerosol. Intern. J. Environ. Anal. Chem. 71, 353-372.

Kerminen V.-M., Teinilä K., Hillamo R. and Pakkanen T. (1998) Substitution of chloride in sea-salt particles by inorganic and organic anions. J. Aerosol Sci. 29, 929-942.

Kerminen V.-M., Hillamo R., Mäkelä T., Jaffrezo J.-L. and Maenhaut W. (1998) The physico-chemical structure of the Greenland summer aerosol and its relation to atmospheric processes. J. Geophys. Res. 103, 5661-5670.

Kerminen V.-M., Hillamo R. E. and Wexler A. S. (1998) Model simulations on the variability of particulate MSA to non-sea-salt sulfate ratio in the marine environment. J. Atmos. Chem. 30, 345-370.

Kerminen V.-M. (1999) Roles of SO2 and secondary organics in the growth of nanometer particles in the lower troposphere. J. Aerosol Sci. 30, 1069-1078.

Kerminen V.-M., Teinilä K., Hillamo R. and Mäkelä T. (1999) Size-segregated chemistry of particulate dicarboxylic acids in the Arctic atmosphere. Atmos. Environ. 33, 2089-2100.

Maenhaut W., Jaffrezo J.-L., Hillamo R., Mäkelä T. and Kerminen V.-M. (1999) Size-fractionated aerosol composition during an intensive 1997 summer field campaign in northern Finland. Nucl. Instr. and Meth. in Phys. Res. B 150, 345-349.

Virkkula A., Aurela M., Hillamo R., Mäkelä T., Kerminen V.-M., Maenhaut W., Francois F. and Cafmayer J. (1999) Chemical composition of atmospheric aerosol in the European sub-Arctic: Contribution of the Kola Peninsula smelter areas, Central Europe and the Arctic Ocean. J. Geophys. Res. 104, 23,681-23,696.

Fridlind A. M. Jacobson M. Z., Kerminen V.-M.., Hillamo R. E., Ricard V. and Jaffrezo J.-L. (2000) Analysis of gas-aerosol partitioning in the Arctic: Comparison of size-resolved equilibrium model results with field data. J. Geophys. Res. 105, 19,891-19,903.


Kerminen V.-M., Ojanen C., Pakkanen T., Hillamo R., Aurela M. and Meriläinen J. (2000) Low-molecular-weight dicarboxylic acids in an urban and rural atmosphere. J. Aerosol Sci. 31, 349-362.

Kerminen V.-M., Virkkula A., Hillamo R., Wexler A. S. and Kulmala M. (2000) Secondary organics and atmospheric CCN production. J. Geophys. Res. 105, 9255-9264.

Kerminen V.-M., Teinilä K. and Hillamo R. (2000) Chemistry of sea-salt particles in the summer Antarctic atmosphere. Atmos. Environ. 34, 2817-2825.

Kerminen V.-M., Pirjola L., Boy M., Eskola A., Teinilä K., Laakso L., Asmi A., Hienola J., Lauri A., Vainio V., Lehtinen K. and Kulmala M. (2000) Interaction between SO2 and submicron atmospheric particles. Atmos. Res. 54, 41-57.

Pakkanen T. A., Kerminen V.-M., Ojanen C. H., Hillamo R., Aarnio P. and Koskentalo P. (2000) Atmospheric black carbon in Helsinki. Atmos. Environ. 34, 1497-1506.

Teinilä K., Kerminen V.-M. and Hillamo R. (2000) A study of size-segregated aerosol chemistry in the Antarctic atmosphere. J. Geophys. Res. 105, 3893-3904.

Hillamo R., Kerminen V.-M., Aurela M., Mäkelä T., Maenhaut W. and Leck C. (2001) Modal structure of chemical mass size distribution in the high Arctic aerosol. J. Geophys. Res. 106, 27,555-27,571.

Kerminen V.-M. (2001) Relative roles of secondary sulfate and organics in atmospheric CCN production. J. Geophys. Res. 106, 17,321-17,333.

Kerminen V.-M., Hillamo R., Teinilä K., Pakkanen T., Allegrini I. and Sparapani R. (2001) Ion balances of size-resolved tropospheric aerosol samples: Implications for the acidity and atmospheric processing of aerosols. Atmos. Environ. 35, 5255-5265.

Kerminen V.-M., Pirjola L. and Kulmala M. (2001) How significantly does coagulational scavenging limit atmospheric particle production? J. Geophys. Res. 106, 24,119-24,126.

Kerminen V.-M. and Leck C. (2001) Sulfur chemistry over the central Arctic Ocean during the summer: gas to particle transformation. J. Geophys. Res. 106, 32,087-32100.

Pakkanen T. A., Kerminen V.-M., Korhonen C. H., Hillamo R., Aarnio P., Koskentalo T. and Maenhaut W. (2001). Urban and rural ultrafine (PM0.1) particles in the Helsinki area. Atmos. Environ. 35, 4593-4607.

Pakkanen T. A., Kerminen V.-M., Korhonen C. H., Hillamo R. E., Aarnio P., Koskentalo T. and Maenhaut W. (2001) Use of atmospheric elemental size distributions in estimating aerosol sources in the Helsinki area. Atmos. Environ. 35, 5537-5551.

Anttila T., Kerminen V.-M. and Kulmala M. (2002) A tool for estimating the contribution of water-soluble organic compounds to the particle mass and condensational growth in the atmosphere. Atmos. Environ. 36, 5897-5908.

Anttila T. and Kerminen V.-M. (2002) Influence of organic compounds on the cloud droplet  activation: A model investigation considering the volatility, water solubility and surface activity of organic matter. J. Geophys. Res. 107 (D22), 4662, doi: 10.1029/2001JD001482.


Kerminen V.-M. and Kulmala M. (2002) Analytical formulae connecting the “real” and the “apparent” nucleation rate and the nuclei number concentration for atmospheric nucleation events. J. Aerosol Sci. 33, 609-622.

Koponen I., Virkkula A., Hillamo R., Kerminen V.-M. and Kulmala M. (2002) Number size distributions and concentrations of marine aerosols: Observations during a cruise between the English Channel and the coast of Antarctica. J. Geophys. Res. 107 (D24), 4753, doi:10.1029/2002JD002533.

Ricard V., Jaffrezo J.-L., Kerminen V.-M., Hillamo R. E., Sillanpää M., Ruellan S., Liousse C. and Cachier H. (2002) Two-years of continuous aerosol measurements in northern Finland. J. Geophys. Res. 107 (D11), doi:10.1029/2001JD000952.

Ricard V., Jaffrezo J.-L., Kerminen V.-M., Hillamo R. E., Teinilä K. and Maenhaut W. (2002) Size distributions and modal parameters of aerosol constituents in northern Finland during the European Arctic Aerosol Study. J. Geophys. Res. 107 (D14), doi: 10.1029/2001JD001130.

Tervahattu H., Hartonen K., Kerminen V.-M., Kupiainen K., Aarnio P., Koskentalo T., Tuck A. F. and Vaida V. (2002) New evidence of an organic layer on marine aerosols. J. Geophys. Res.  107 (D7), doi:10.1029/2000JD000282.

Viidanoja J., Kerminen V.-M. and Hillamo R. (2002) Measuring the size distribution of atmospheric organic and black carbon using impactor sampling coupled with thermal carbon analysis: Method development and uncertainties. Aerosol Sci. Technol. 36, 607-616.

Viidanoja J., Sillanpää M., Laakia J., Kerminen V.-M., Hillamo R., Aarnio P. and Koskentalo T. (2002) Organic and black carbon in PM2.5 and PM10: 1 year of data from an urban site in Helsinki, Finland. Atmos. Environ. 36, 3183-3193.

Anttila T. and Kerminen V.-M. (2003) Condensational growth of atmospheric nuclei by organic vapours. J. Aerosol Sci. 34, 41-61.

Anttila T. and Kerminen V.-M. (2003) Aerosol formation via aqueous phase chemical reactions. J. Geophys. Res. 108 (D4), doi:10.1029/2002JD002764.

Koponen I., Virkkula A., Hillamo R., Kerminen V.-M. and Kulmala M. (2003) Number size distributions and concentrations of the continental summer aerosols in Queen Maud Land, Antarctica. J. Geophys. Res. 108 (D18), 4587, doi:10.1029/2002JD002939.

Lihavainen H., Kerminen V.-M., Komppula M., Hatakka J., Aaltonen V., Kulmala M. and Viisanen Y. (2003) Production of “potential” cloud condensation nuclei associated with atmospheric new particle formation in northern Finland.  J. Geophys. Res. 108 (D24), 4782, doi:10.1029/2003JD003887.

Pakkanen T., Kerminen V.-M., Loukkola K., Hillamo R., Aarnio P., Koskentalo T. and Maenhaut W. (2003) Size distributions of mass and chemical components in street-level and rooftop PM1 particles in Helsinki. Atmos. Environ. 37, 1673-1690.

Teinilä K., Hillamo R., Kerminen V.-M. and Beine H. (2003) Aerosol chemistry during the NICE dark and light campaigns. Atmos. Environ. 37, 563-575.

Anttila T., Kerminen V.-M., Kulmala M., Laaksonen A. and O'Dowd C. (2004) Modelling the formation of organic particles in the atmosphere. Atmos. Chem. Phys. 4, 1071 1083.

Kerminen V.-M., Lehtinen K. E. J., Anttila T. and Kulmala M. (2004) Dynamics of atmospheric nucleation mode particles: A time scale analysis. Tellus 56B, 135-14.

Kerminen V.-M., Anttila T., Lehtinen K. E. J. and Kulmala M. (2004) Parametrization for atmospheric new-particle formation: application to a system involving sulfuric acid and condensable water-soluble organic vapors. Aerosol Sci. Technol. 38, 1001-1008.

Kulmala M., Vehkamäki H., Petäjä T., Dal Maso M., Lauri A., Kerminen V.-M., Birmili W. and McMurry P. H. (2004) Formation and growth rates of ultrafine atmospheric particles: A review of observations. J. Aerosol Sci. 35, 143-176.

Kulmala M., Kerminen V.-M., Anttila T., Laaksonen A. and O’Dowd C. D. (2004) Organic aerosol formation via sulphate cluster activation. J. Geophys. Res. 109 (D4), doi: 10.1029/2003JD003961.

Kulmala M., Laakso L., Lehtinen K. E. J., Riipinen I., Dal Maso M., Anttila T., Kerminen V.-M., Horrak U., Vana M. and Tammet H. (2004) Initial steps of aerosol growth. Atmos. Chem. Phys. 4, 2553-2560.

Teinilä K., Hillamo R., Kerminen V.-M. and Beine H. J. (2004) Chemistry and modal parameters of major ionic aerosol components during the NICE campaigns at two altitudes. Atmos. Environ. 38, 1481-1490.

Hirsikko A., Laakso L., Hõrrak U., Aalto P.P., Kerminen V.-M. and Kulmala M. (2005) Annual and size dependent variation of growth rates and ion concentrations in boreal forest. Boreal Env. Res. 10, 357-369.

Kerminen V.-M., Lihavainen H., Komppula M., Viisanen Y. and Kulmala M. (2005) Direct observational evidence linking atmospheric aerosol formation and cloud droplet activation. Geophys. Res. Lett. 32, L14803, doi:10.1029/2005GL023130.

Komppula M., Lihavainen H., Kerminen V.-M., Kulmala M. and Viisanen Y. (2005) Measurements of cloud droplet activation of aerosol particles at a clean subarctic background site. J. Geophys. Res. 110, D06204, doi:10.1029/2004JD005200.

Korhonen H., Kerminen V.-M. and Kulmala M. (2005) Develoment and application of a new analytical method to estimate the condensable vapour concentration in the atmosphere.  J. Geophys. Res. 110(D5), D05201, doi:10.1029/2004JD005458.

Korhonen H., Kerminen V.-M., Lehtinen K.E.J. and Kulmala M. (2005) CCN activation and cloud processing in sectional aerosol models with low size resolution. Atmos. Chem. Phys. 5, 2561-2570.

Kulmala M., Petäjä T., Mönkkönen P., Koponen I. K., Dal Maso M., Aalto P. P., Lehtinen K. E. J. and Kerminen V.-M. (2005) On the growth of nucleation mode particles: source rates of condensable vapor in polluted and clean environments. Atmos. Chem. Phys. 5, 409-416.

Petäjä T., Kerminen V.-M., Hämeri K., Vaattovaara P., Joutsensaari J., Junkermann W., Laaksonen A. and Kulmala M. (2005) Effects of SO2 oxidation on ambient aerosol growth in water and ethanol vapours. Atmos. Chem. Phys. 5, 767-779.

Saarikoski S., Mäkelä T., Hillamo R., Aalto P.P., Kerminen V.-M. and Kulmala M. (2005) Physico-chemical characterization and mass closure of size-segregated atmospheric aerosols in Hyytiälä, Finland. Boreal Env. Res. 10, 385-400.

Sogacheva L., Dal Maso M., Kerminen V.-M. and Kulmala M. (2005) Probability of nucleation events and aerosol particle concentrations in different air mass types arriving at Hyytiälä, Southern Finland, based on back trajectories analysis. Boreal Env. Res. 10, 479-491.

Aaltonen V., Lihavainen H., Kerminen V.-M., Komppula M., Hatakka J., Eneroth K., Kulmala M. and Viisanen Y. (2006) Measurements of optical properties of atmospheric aerosols in Northern Finland. Atmos. Chem. Phys. 6, 1155-1164.

Fuzzi S., Andreae M. O., Huebert B. J., Kulmala M., Bond T. C., Boy M., Doherty S. J., Guenther A., Kanakidou M., Kawamura K., Kerminen V.-M., Lohmann U., Russell L. M. and Pöschl U. (2006) Critical assessment of the current state of scientific knowledge, terminology, and research needs concerning the role of organic aerosols in the atmosphere, climate and global change. Atmos. Chem. Phys. 6, 2017-2038.

Hussein T., Karppinen A., Kukkonen J., Härkönen J., Aalto P., Hämeri K., Kerminen V.-M. and Kulmala M. (2006) Meteorological dependence of size fractionated number concentrations of urban aerosol particles. Atmos. Environ. 40, 1427-1440.

Komppula M., Sihto S.-L., Korhonen H., Lihavainen H., Kerminen V.-M., Kulmala M. and Viisanen Y. (2006) New particle formation in air mass transported between two measurement sites in Northern Finland. Atmos. Chem. Phys. 6, 2811-2824.

Kulmala M., Reissell A., Sipilä M., Bonn B., Ruuskanen T. M., Lehtinen K. E. J., Kerminen V.-M. and Ström J. (2006) Deep convective clouds as aerosol production engines: Role of insoluble organics. J. Geophys. Res. 111, D17202, doi:10.1029/2005JD006963.

Laakso L., Koponen I. K., Mönkkönen P., Kulmala M., Kerminen V.-M., Wehner B., Wiedensohler A., Wu Z. and Hu M. (2006) Aerosol particles in the developing world; a comparision between New Delhi in India and Beijing in China. Water, Air and Soil Pollution, DOI: 10.1007/s11270-005-9018-5.

Sihto S.-L., Kulmala M., Kerminen V.-M., Dal Maso M., Petäjä T., Riipinen I., Korhonen H., Arnold F., Janson R., Boy M., Laaksonen A. and Lehtinen K. E. J. (2006) Atmospheric sulphuric acid and aerosol formation: implications from atmospheric measurements for nucleation and early growth mechanisms. Atmos. Chem. Phys. 6, 4079-4091.

Sillanpää M., Hillamo R., Saarikoski S., Frey A., Pennanen A., Makkonen U., Spolnik Z., Van Grieken R., Braniš M., Brunekreef B., Chalbot M.-C., Kuhlbusch T., Sunyer J., Kerminen V.-M., Kulmala M. and Salonen R.O. (2006) Chemical composition and mass closure of particulate matter at six urban site in Europe. Atmos. Environ. 40S2, 212-223.

Spracklen D. V., Carslaw K. S., Kulmala M., Kerminen V.-M., Mann G. W. and Sihto S.-L. (2006) The contribution of boundary layer nucleation events to total particle concentrations on regional and global scales. Atmos. Chem. Phys. 6, 5631-5648.

Tunved P., Hansson H.-C., Kerminen V.-M., Ström J., Dal Maso M., Lihavainen H., Viisanen Y., Aalto P. P., Komppula M. and Kulmala M. (2006) High natural aerosol loading over boreal forests. Science 312, 261-263.

Virkkula A., Koponen I. K., Teinilä K., Hillamo R., Kerminen V.-M. and Kulmala M. (2006) Effective real refractive index of dry aerosols in the Antarctic boundary layer. Geophys. Res. Lett. 33, L06805, doi:10.1029/2005GL024602.

Virkkula A., Teinilä K., Hillamo R., Kerminen V.-M., Saarikoski S., Aurela M., Koponen I. and Kulmala M. (2006) Chemical size distributions of boundary layer aerosol over the Atlantic Ocean and at an Antarctic site. J. Geophys. Res. 111, D05306, doi:10.1029/2004JD004958.

Virkkula A., Teinilä K., Hillamo R., Kerminen V.-M., Saarikoski S., Aurela M., Viidanoja J., Paatero J., Koponen I. and Kulmala M. (2006) Chemical composition of boundary layer aerosol over the Atlantic Ocean and at an Antarctic site. Atmos. Chem. Phys. 6, 3407-3421.

Anttila T. and Kerminen V.-M. (2007) On the contribution of Aitken mode particles to cloud droplet populations at continental background areas – a parametric sensitivity study. Atmos. Chem. Phys. 7, 4625-4637.

Dal Maso M., Sogacheva L., Aalto P. P., Riipinen I., Komppula M., Tunved P., Korhonen L., Suur-Uski V., Hirsikko A., Kurtén T., Kerminen V.-M., Lihavainen H., Viisanen Y., Hansson H.-C. and Kulmala M. (2007) Aerosol size distribution measurements at four Nordic field stations: identification, analysis and trajectory analysis of new particle formation bursts. Tellus 59B, 350-361.

Engler C., Lihavainen H., Komppula M., Kerminen V.-M., Kulmala M. and Viisanen Y. (2007) Continuous measurements of aerosol properties at the Baltic Sea. Tellus 59B, 728-741.

Kerminen V.-M., Anttila T., Petäjä T., Laakso L., Gagné S., Lehtinen K. E. J. and Kulmala M. (2007) Charging state of the atmospheric nucleation mode: Implications for separating neutral and ion-induced nucleation. J. Geophys. Res. 112, D21205, doi:10.1029/2007JD008649.

Kerminen V.-M., Pakkanen T. A., Mäkelä T., Hillamo R., Sillanpää M., Rönkkö T., Virtanen A., Keskinen J., Pirjola L., Hussein T. and Hämeri K. (2007) Development of particle number size distributions near a major road in Helsinki during an episodic inversion situation. Atmos. Environ. 41, 1759-1767.

Kivekäs N., Kerminen V.-M., Engler C., Lihavainen H., Komppula M., Viisanen Y. and Kulmala M. (2007) Particle number to volume concentration ratios at two measurement sites in Finland. J. Geophys. Res. 112, D04209, doi:10.1029/2006JD007102.

Komppula M., Vana M., Kerminen V.-M., Lihavainen H., Viisanen Y., Hõrrak U., Komsaare K., Tamm E., Hirsikko A., Laakso L. and Kulmala M. (2007) Size distributions of atmospheric ions in the Baltic Sea region. Boreal Env. Res. 12, 323-336.

Kulmala M., Riipinen I., Sipilä M., Manninen H. E., Petäjä T., Junninen H., Dal Maso M., Mordas G., Mirme A., Vana M., Hirsikko A., Laakso L., Harrison R. M., Hanson I., Leung C., Lehtinen K. E. J. and Kerminen V.-M. (2007) Toward direct measurement of atmospheric nucleation. Science 318, 89-92.

Kuokka S., Teinilä K., Saarnio K., Aurela M., Sillanpää M., Hillamo R., Kerminen V.-M., Pyy K., Vartiainen E., Kulmala M., Skorokhod A. I., Elansky N. F. and Belikov I. B. (2007) Using a moving measurement platform for determining the chemical composition of atmospheric aerosols between Moscow and Vladivostok. Atmos. Chem. Phys. 7, 4793-4805.

Kurten T., Torpo L., Sundberg M. R., Kerminen V.-M., Vehkamäki H. and Kulmala M. (2007) Estimating the NH3:H2SO4 ratio of nucleating clusters in atmospheric conditions using quantum chemical models. Atmos. Chem. Phys. 7, 2765-2773.

Laakso L., Gagne S., Petäjä T., Hirsikko A., Aalto P. P., Kulmala M. and Kerminen V.-M. (2007) Detecting charging state of ultrafine particles: instrumental development and ambient measurements. Atmos. Chem. Phys. 7, 1333-1345.

Lehtinen K. E. J., Dal Maso M., Kulmala M. and Kerminen V.-M. (2007) Estimating nucleation rates from apparent particle formation rates and vice-versa: Revised formulation of the Kerminen-Kulmala equation. J. Aerosol Sci. 38, 988-994.

Lihavainen H., Komppula M., Kerminen V.-M., Järvinen H., Viisanen Y., Lehtinen K., Vana M. and Kulmala M. (2007) Size distributions of atmospheric ions inside clouds and in cloud-free air at a remote continental site. Boreal Env. Res. 12, 337-344.

Mihalopoulos N., Kerminen V.-M., Kanakidou M., Berresheim H. and Sciare J. (2007) Formation of particulate sulphur species (sulphate and methanesulfonate) during summer over the Eastern Mediterranean: A modelling approach. Atmos. Environ. 41, 6860-6871.

Petäjä T., Kerminen V.-M., Dal Maso M., Junninen H., Koponen I., Hussein T., Aalto P. P., Andronopoulos S., Robin D., Hämeri K., Bartzis J. G. and Kulmala M. (2007) Sub-micron atmospheric aerosols in the surroundings of Marseille and Athens: physical characterization and new particle formation. Atmos. Chem. Phys. 7, 2705-2720.

Riipinen I., Sihto S.-L., Kulmala M., Arnold F., Dal Maso M., Birmili W., Saarnio K., Teinilä K., Kerminen V.-M., Laaksonen A. and Lehtinen K. E. J. (2007) Connections between atmospheric sulphuric acid and new particle formation during QUEST III-IV campaigns in Heidelberg and Hyytiälä. Atmos. Chem. Phys. 7, 1899-1914.

Vartiainen E., Kulmala M., Ehn M., Hirsikko A., Junninen H., Petäjä T., Sogatcheva L., Kuokka S., Hillamo R., Skorokhod A., Belikov I., Elansky N. and Kerminen V.-M. (2007) Ion and particle number concentrations and size distributions along the Trans-Siberian railroad. Boreal Env. Res. 12, 375-396.

Anttila T. and Kerminen V.-M. (2008) Modeling study on aerosol dynamical processes regulating new particle and CCN formation at clean continental areas. Geophys. Res. Lett. 35, L07813, doi:10.1029/2008GL033371.

Dal Maso M., Hyvärinen A., Komppula M., Tunved P., Kerminen V.-M., Lihavainen H., Viisanen Y., Hansson H.-C. and Kulmala M. (2008) Annual and interannual variation in boreal forest aerosol particle number and volume concentration and their connection to particle formation. Tellus 60B, 495-508.

Dal Maso M., Sogacheva L., Anisimov M. P., Arshinov M., Baklanov A., Belan B., Khodzher T. V., Obolkin V. A., Staroverova A., Vlasov A., Zagaynov V. A., Lushnikov A., Lyubovtseva Y. S., Riipinen I., Kerminen V.-M. and Kulmala M. (2008) Aerosol particle formation events at two Siberian stations inside the boreal forest. Boreal Env. Res. 13, 81-92.

Gagne S., Laakso L., Petäjä T., Kerminen V.-M. and Kulmala M. (2008) Analysis of one year of Ion-DMPS data from the SMEAR II station, Finland. Tellus 60B, 318-329.

Hyvärinen A., Komppula M., Engler C., Kivekäs N., Kerminen V.-M., Dal Maso M., Viisanen Y. and Lihavainen H. (2008) Atmospheric new particle formation at Utö, Baltic Sea 2003–2005. Tellus 60B, 345-352.

Junninen H., Hulkkonen M., Riipinen I., Nieminen T., Hirsikko A., Suni T., Boy M., Lee S.-H., Vana M., Tammet H., Kerminen V.-M. and Kulmala M. (2008) Observations on nocturnal growth of atmospheric clusters. Tellus 60B, 365-371.

Kivekäs N., Kerminen V.-M., Anttila T., Korhonen H., Lihavainen H., Komppula M. and Kulmala M. (2008) Parameterization of cloud droplet activation using a simplified treatment of the aerosol number size distribution. J. Geophys. Res. 113, D15207, doi:10.1029/2007JD009485.

Kokkola H., Korhonen H., Lehtinen K. E. J., Makkonen R., Asmi A., Järvenoja S, Anttila T., Partanen A.-I., Kulmala M., Järvinen H., Laaksonen A. and Kerminen V.-M. (2008) SALSA – a Sectional Aerosol module for Large Scale Applications. Atmos. Chem. Phys. 8, 2469-2483.

Kristensson A., Dal Maso M., Swietlicki E., Hussein T., Zhou J., Kerminen V.-M. and Kulmala M. (2008) Characterization of new particle formation events at a background site in Southern Sweden: Relation to air mass history. Tellus 60B, 330-344.

Kulmala M. and Kerminen V.-M. (2008) On the formation and growth of atmospheric nanoparticles. Atmos. Res. 90, 132-150.

Kulmala M., Kerminen V.-M., Laaksonen A., Riipinen I., Sipilä M., Ruuskanen T. M., Sogacheva L., Hari P., Bäck J., Lehtinen K. E. J., Viisanen Y., Bilde M., Svenningsson B., Larzridis M., Tørseth K., Tunved P., Nilsson E. D., Pryor S., Sørensen L.-L., Hõrrak U., Winkler P. M., Swietlicki E., Riekkola M.-L., Krejci R., Hoyle C., Hov Ø, Myhre G. and Hansson H.-C. (2008) Overview of BACCI (Biosphere-Aerosol-Cloud-Climate Interactions) studies. Tellus 60B, 300-317.

Laakso L., Laakso H., Aalto P. P., Keronen P., Petäjä T., Nieminen T., Pohja T., Siivola E., Kulmala M., Kgabi N., Molefe M., Mabaso D., Phalatse D., Pienaar K. and Kerminen V.-M. (2008) Basic characteristics of atmospheric particles, trace gases and meteorology in a relatively clean Southern African Savannah environment. Atmos. Chem. Phys. 8, 4823-4839.

Lihavainen H., Kerminen V.-M., Komppula M., Hyvärinen A.-P., Laakia J., Saarikoski S., Makkonen U., Kivekäs N., Hillamo R., Kulmala M. and Viisanen Y. (2008) Measurements of the relation between aerosol properties and microphysics and chemistry of low level liquid water clouds in Northern Finland. Atmos. Chem. Phys. 8, 6925-6938.

Saarikoski S., Timonen H., Saarnio K., Aurela M., Järvi L., Keronen P., Kerminen V.-M. and Hillamo R. (2008) Sources of organic carbon in fine particulate matter in northern European urban air. Atmos. Chem. Phys. 8, 6281-6295.

Spracklen D. V., Carslaw K. S., Kulmala M., Kerminen V.-M., Sihto S.-L., Riipinen I., Merikanto J., Mann G. W., Chipperfield M. P., Wiedensohler A., Birmili W. and Lihavainen H. (2008) Contribution of particle formation to global cloud condensation nuclei concentrations. Geophys. Res. Lett. 35, L06808, doi:10.1029/2007GL033038.

Tunved P., Ström J., Kulmala M., Kerminen V.-M., Dal Maso M., Svenningson B. Lunder C. and Hansson H.-C. (2008) The natural aerosol over Northern Europe and its relation to anthropogenic emissions – implications of important climate feedbacks. Tellus 60B, 473-484.

Viskari T., Järvinen H., Anttila T., Kerminen V.-M., Lehtinen K. E. J., Korhonen H., Sihto S.-L. and Kulmala M. (2008) Duration of tangent-linear regime in sectional multi-component aerosol dynamics. J. Aerosol Sci. 39, 723-736.

Anttila, T., Vaattovaara P., Komppula M., Hyvärinen A.-P., Lihavainen H., Kerminen V.-M. and Laaksonen A. (2009) Size-dependent activation of aerosols into cloud droplets at a subarctic background site during the second Pallas Cloud Experiment (2nd PaCE): method development and data evaluation. Atmos. Chem. Phys. 9, 4841-4854.

Buenrostro Mazon S., Riipinen I., Schultz D., Valtanen M., Dal Maso M., Sogacheva L., Junninen H., Nieminen T., Kerminen V-M. and Kulmala M. (2009) Classifying previously undefined days from eleven years of aerosol-particle-size distribution data from the SMEAR II station, Hyytiälä, Finland. Atmos. Chem. Phys. 9, 667-676.

Hyvärinen A.-P., Lihavainen H., Komppula M., Sharma V. P., Kerminen V.-M., Panwar T. S. and Viisanen Y. (2009) Continuous measurements of optical properties of atmospheric aerosols in Mukteshwar, northern India. J. Geophys. Res. 114, D08207, doi:10.1029/2008JD011489.

Kivekäs N., Kerminen V.-M., Raatikainen T., Vaattovaara P., Laaksonen A. and Lihavainen H. (2009) Physical and chemical characteristics of aerosol particles and cloud-droplet activation during the Second Pallas Cloud Experiment (Second PaCE). Boreal Env. Res. 14, 515-526.

Kivekäs N. Sun J., Zhan M., Kerminen V.-M., Hyvärinen A., Komppula M., Viisanen Y., Hong N., Zhang Y., Kulmala M., Zhang X.-C., Deli-Geer and Lihavainen H. (2009)  Long term particle size distribution measurements at Mount Waliguan, a high-latitude site in inland China. Atmos. Chem. Phys. 9, 5461-5474.

Komppula M., Lihavainen H., Hyvärinen A.-P., Kerminen V.-M., Panwar T. S., Sharma V. P. and Viisanen Y. (2009) Physical properties of aerosol particles at a Himalayan background site in India. J. Geophys. Res. 114, D12202, doi:10.1029/2008JD011007.

Kulmala M., Hari P., Riipinen I. and Kerminen V.-M. (2009) On the possible links between tree growth and galactic cosmic rays. New Phytologist 184, 511-513.

Kulmala M., Bäck J. and Kerminen V.-M. (2009) Preface to Physics, Chemistry and Biology of Atmospheric Composition and Climate Change. Boreal Env. Res. 14, 439-441.

Lihavainen H., Kerminen V.-M., Tunved P., Aaltonen V., Arola A., Hatakka J., Hyvärinen A. and Viisanen Y. (2009) Observational signature of the direct radiative effect by natural boreal forest aerosols and its relation to the corresponding first indirect effect. J. Geophys. Res. 114, D20206, doi:10.1029/2009JD012078.

Leppä J., Kerminen V.-M., Laakso L., Korhonen H., Lehtinen K. E. J., Gagne S., Manninen H. E., Nieminen T. and Kulmala M. (2009) Ion-UHMA: a model for simulating the dynamics of neutral and charged aerosol particles. Boreal Env. Res. 14, 559-575.

Makkonen R., Asmi A., Korhonen H., Kokkola H., Järvenoja S., Räisänen P., Lehtinen K. E. J., Laaksonen A., Kerminen V.-M., Järvinen H., Lohmann U., Bennartz R., Feichter J. and Kulmala M. (2009) Sensitivity of aerosol concentrations and cloud properties to nucleation and secondary organic distribution in ECHAM5-HAM global circulation model. Atmos. Chem. Phys. 9, 1747-1766.

Manninen H. E., Nieminen T., Riipinen I., Yli-Juuti T., Gagne S., Asmi E., Aalto P. P., Petäjä T., Kerminen V.-M. and Kulmala M. (2009) Charged and total particle formation and growth rates during EUCAARI 2007 campaign in Hyytiälä. Atmos. Chem. Phys. 9, 4077-4089.

Manninen H. E., Petäjä T., Asmi E., Riipinen I., Nieminen T., Mikkilä J., Hõrrak U., Mirme A., Mirme S., Laakso L., Kerminen V.-M. and Kulmala M. (2009) Long-term field measurements of charged and neutral clusters using Neutral cluster and Air Ion Spectrometer (NAIS). Boreal Env. Res. 14, 591-605.

Nieminen T., Manninen H. E., Sihto S.-L., Yli-Juuti T., Mauldin III R. L., Petäjä T., Riipinen I., Kerminen V.-M. and Kulmala M. (2009) Connection of sulfuric acid to atmospheric nucleation in boreal forest. Environ. Sci. Technol. 43, 4715-4721.

Sihto S.-L., Vuollekoski H., Leppä J., Riipinen I., Kerminen V.-M., Korhonen H., Lehtinen K.E.J., Boy M. and Kulmala M. (2009) Aerosol dynamics simulations on the connection of sulphuric acid and new particle formation. Atmos. Chem. Phys. 9, 2933-2947.

Vuollekoski H., Kerminen V.-M., Anttila T., Sihto S.-L., Vana M., Ehn M., Korhonen H., McFiggans G., O’Dowd C. D. and Kulmala M. (2009) Iodine dioxide nucleation simulations in coastal and remote marine environments. J. Geophys. Res. 114, D02206, doi:10.1029/2008JD010713.

Anttila T., Kerminen V.-M. and Lehtinen K. E. J. (2010) Parametrizing the formation rate of new particles: the effect of nuclei self-coagulation. J. Aerosol Sci. 41, 621-636.

Ehn M., Junninen H., Petäjä T., Kurten T., Kerminen V.-M., Schobesberger S., Manninen H. E., Ortega I. K., Vehkamäki H., Kulmala M. and Worsnop D. R. (2010) Composition and temporal behavior of ambient ions in the boreal forest. Atmos. Chem. Phys. 10, 8513-8530.

Ehn M., Vuollekoski H., Petäjä T., Kerminen V-M., Vana M., Aalto P., de Leeuw G., Ceburnis D., Dupuy R., O’Dowd C. D. and Kulmala M. (2010) Growth rates during coastal and marine new particle formation in Western Ireland. J. Geophys. Res. 115, D18218, doi:10.1029/2010JD014292.

Gagne S., Nieminen T., Kurten T., Manninen H. E., Petäjä T., Laakso L., Kerminen V.-M., Boy M. and Kulmala M. (2010) Factors influencing the contribution of ion-induced nucleation in a boreal forest. Atmos. Chem. Phys. 10, 3743-3757.

Kulmala M., Riipinen I., Nieminen T., Hulkkonen M., Sogacheva L., Manninen H. E., Paasonen P., Petäjä T., Dal Maso M., Aalto P. P., Viljanen A., Usoskin I., Vainio R., Mirme S., Mirme A., Minikin A., Petzold A., Hõrrak U., Plaß-Dülmer C., Birmili W., and Kerminen V.-M. (2010) Atmospheric data over a solar cycle: no connection between galactic cosmic rays and new particle formation. Atmos. Chem. Phys. 10, 1885-1898.

Manninen H. E., Nieminen T., Asmi E., Gagne S., Häkkinen S., Lehtipalo K., Aalto P., Vana M., Mirme A., Mirme S., Hõrrak U, Plass-Dülmer C., Stange G., Kiss G., Hoffer A., Töro N., Moerman M., Henzing B., de Leeuw G., Brinkenberg M., Kouvarakis G. N., Bougiatioti A., Mihalopoulos N., O’Dowd C. D., Ceburnis D., Arneth A., Svenningsson B., Swietlicki E., Tarozzi L., Decesari S., Facchini M. C., Birmili W., Sonntag A., Wiedensohler A., Boulon J., Sellegri K., Laj P., Gysel M., Bukowiecki N., Weingartner E., Wehrle G., Laaksonen A., Hamed A., Joutsensaari J., Petäjä T., Kerminen V.-M. and Kulmala M. (2010) EUCAARI ion spectrometer measurements at 12 European sites – analysis of new particle formation events. Atmos. Chem. Phys. 10, 7907-7927.

Mirme S., Mirme A., Minikin A., Petzold A., Hõrrak U., Kerminen V.-M. and Kulmala M. (2010) Atmospheric sub-3 nm particles at high altitudes. Atmos. Chem. Phys. 10, 437-451.

Timonen H., Aurela M., Carbone S., Saarnio K., Saarikoski S., Mäkelä T., Kulmala M., Kerminen V.-M., Worsnop D. R. and Kulmala M. (2010) High time-resolution chemical characterization of the water-soluble fraction of ambient aerosol with PILS-TOC-IC and AMS. Atmos. Meas. Tech. 3, 1063-1074.