A. Hirsikko

Värske

• Characterisation of sub-micron particle number concentrations and formation events in the western Bushveld Igneous Complex, South Africa
• Atmospheric ions and nucleation: a review of observations
• Characterisation of corona-generated ions used in a Neutral cluster and Air Ion Spectrometer (NAIS)
• Growth rates of nucleation mode particles in Hyytiala during 2003-2009: variation with particle size, season, data analysis method and ambient conditions
• Formation and characteristics of ions and charged aerosol particles in a native Australian Eucalypt forest
• Observations on nocturnal growth of atmospheric clusters
• A wide range multi-channel Air Ion Spectrometer
• Identification and classification of the formation of intermediate ions measured in boreal forest
• Waterfalls as sources of small charged aerosol particles