M. Ehn, T. Petäjä, H. Aufmhoff, P. Aalto, K. Hämeri, F. Arnold, ...
The hygroscopic growth of aerosol particles present in a boreal forest was measured at a relative humidity of 88%. Simultaneously the gas phase concentration of sulfuric acid, a very hygroscopic...
Ehn, Mikael, Petäjä, T., Aufmhoff, Heinfried, Aalto, Pasi, Hämeri, K., Arnold, Frank, ...
The hygroscopic growth of aerosol particles present in a boreal forest was measured at a relative humidity of 88%. Simultaneously the gas phase concentration of sulfuric acid, a very hygroscopic...
T. Petäjä, M. Dal Maso, H. Junninen, I. K. Koponen, T. Hussein, ...
The properties of atmospheric aerosol particles in Marseille and Athens were investigated. The studies were performed in Marseille, France, during July 2002 and in Athens, Greece, during June 2003....
Ehn, M., Petäjä, T., Aufmhoff, H., Aalto, P., Hämeri, K., Arnold, F., ...
The hygroscopic growth of aerosol particles present in a boreal forest was measured at a relative humidity of 88%. Simultaneously the gas phase concentration of sulfuric acid, a very hygroscopic...
Ehn, M., Petäjä, T., Aufmhoff, H., Aalto, P., Hämeri, K., Arnold, F., ...
The hygroscopic growth of aerosol particles present in a boreal forest was measured at a relative humidity of 88%. Simultaneously the gas phase concentration of sulfuric acid, a very hygroscopic...
Petäjä, T., Dal Maso, M., Junninen, H., Koponen, I. K., Hussein, T., ...
The properties of atmospheric aerosol particles in Marseille and Athens were investigated. The studies were performed in Marseille, France, during July 2002 and in Athens, Greece, during June 2003....
Petäjä, T., Dal Maso, M., Junninen, H., Koponen, I. K., Hussein, T., ...
The properties of atmospheric aerosol particles in Marseille and Athens were investigated. The studies were performed in Marseille, France, during July 2002 and in Athens, Greece, during June 2003....
A. Virtanen, T. Rönkkö, J. Kannosto, J. Ristimäki, J. M. Mäkelä, J. Keskinen, ...
Number concentrations and size distributions of traffic related aerosol particles were measured at a roadside in Helsinki during two winter campaigns (10–26 February 2003, 28 January–12...
Arnold, Frank, Pirjola, Liisa, Aufmhoff, Heinfried, Schuck, Tanja, Lähde, T., Hämeri, K.
Gaseous sulfuric acid (GSA) is thought to represent an important if not the most important nucleating gas present in modern diesel automobile exhaust. It triggers the formation of new aerosol...
Ehn, M., Petäjä, T., Aufmhoff, H., Aalto, P., Hämeri, K., Arnold, F., ...
Freshly formed atmospheric aerosol particles are neither large enough to efficiently scatter incoming solar radiation nor able to act as cloud condensation nuclei. As the particles grow larger, their...
Virtanen, A., Rönkkö, T., Kannosto, J., Mäkelä, J. M., Keskinen, J., Pakkanen, T., ...
The number concentration and size distribution of traffic related particles were measured at road-side in Helsinki. Two winter campaigns took place in 10?26 February 2003 and 28 January?12 February...
Virtanen, A., Rönkkö, T., Kannosto, J., Ristimäki, J., Mäkelä, J. M., Keskinen, J., ...
Number concentrations and size distributions of traffic related aerosol particles were measured at a roadside in Helsinki during two winter campaigns (10?26 February 2003, 28 January?12 February...
Ehn, M., Petäjä, T., Aufmhoff, H., Aalto, P., Hämeri, K., Arnold, F., ...
Freshly formed atmospheric aerosol particles are neither large enough to efficiently scatter incoming solar radiation nor able to act as cloud condensation nuclei. As the particles grow larger, their...
Virtanen, A., Rönkkö, T., Kannosto, J., Mäkelä, J. M., Keskinen, J., Pakkanen, T., ...
The number concentration and size distribution of traffic related particles were measured at road-side in Helsinki. Two winter campaigns took place in 10?26 February 2003 and 28 January?12 February...
Virtanen, A., Rönkkö, T., Kannosto, J., Ristimäki, J., Mäkelä, J. M., Keskinen, J., ...
Number concentrations and size distributions of traffic related aerosol particles were measured at a roadside in Helsinki during two winter campaigns (10?26 February 2003, 28 January?12 February...
Petäjä, T., Dal Maso, M., Junninen, H., Koponen, I. K., Hussein, T., ...
The properties of atmospheric aerosol particles in Marseille and Athens were investigated. The studies were performed in Marseille, France during July 2002 and in Athens Greece during June 2003. The...
Petäjä, T., Dal Maso, M., Junninen, H., Koponen, I. K., Hussein, T., ...
The properties of atmospheric aerosol particles in Marseille and Athens were investigated. The studies were performed in Marseille, France during July 2002 and in Athens Greece during June 2003. The...
A. Virtanen, T. Rönkkö, J. Kannosto, J. M. Mäkelä, J. Keskinen, T. Pakkanen, ...
The number concentration and size distribution of traffic related particles were measured at road-side in Helsinki. Two winter campaigns took place in 10–26 February 2003 and 28...
P. Mönkkönen, I. K. Koponen, K. Hämeri, R. Uma, M. Kulmala
Diurnal variation of number size distribution (particle size 3-800nm) and modal parameters (geometric standard deviation, geometric mean diameter and modal aerosol particle concentration) in a highly...
Effects of SO2 oxidation on ambient aerosol growth in water and ethanol vapours (2005)
T. Petäjä, K. Hämeri, P. Vaattovaara, J. Joutsensaari, W. Junkermann, ...
Hygroscopicity (i.e. water vapour affinity) of atmospheric aerosol particles is one of the key factors in defining their impacts on climate. Condensation of sulphuric acid onto less hygroscopic...
Effects of SO2 oxidation on ambient aerosol growth in water and ethanol vapours (2005)
Petäjä, T., Hämeri, K., Vaattovaara, P., Joutsensaari, J., Junkermann, W., ...
Hygroscopicity (i.e. water vapour affinity) of atmospheric aerosol particles is one of the key factors in defining their impacts on climate. Condensation of sulphuric acid onto less hygroscopic...
Mönkkönen, P., Koponen, I. K., Lehtinen, K. E. J., Hämeri, K., Uma, R., Kulmala, M.
Diurnal variation of number size distribution (particle size 3-800nm) and modal parameters (geometric standard deviation, geometric mean diameter and modal aerosol particle concentration) in a highly...
Effects of SO2 oxidation on ambient aerosol growth in water and ethanol vapours (2005)
Petäjä, T., Hämeri, K., Vaattovaara, P., Joutsensaari, J., Junkermann, W., ...
Hygroscopicity (i.e. water vapour affinity) of atmospheric aerosol particles is one of the key factors in defining their impacts on climate. Condensation of sulphuric acid onto less hygroscopic...
Mönkkönen, P., Koponen, I. K., Lehtinen, K. E. J., Hämeri, K., Uma, R., Kulmala, M.
Diurnal variation of number size distribution (particle size 3-800nm) and modal parameters (geometric standard deviation, geometric mean diameter and modal aerosol particle concentration) in a highly...
Effects of SO2 oxidation on ambient aerosol growth in water and ethanol vapours. (2005)
Petäjä, T., Kerminen, V.M., Hämeri, K., Vaattovaara, P., Junkermann, W., Laaksonen, A., ...
Atmospheric Chemistry and Physics, 5(2005) S.767-779
Urban aerosol number size distributions (2004)
T. Hussein, A. Puustinen, P. P. Aalto, J. M. Mäkelä, K. Hämeri, M. Kulmala
Aerosol number size distributions have been measured since 5 May 1997 in Helsinki, Finland. The presented aerosol data represents size distributions within the particle diameter size range 8-400nm...
Effects of SO2 oxidation on ambient aerosol growth in water and ethanol vapours (2004)
Petäjä, T., Hämeri, K., Vaattovaara, P., Joutsensaari, J., Junkermann, W., ...
Hygroscopicity (i.e. water vapour affinity) of atmospheric aerosol particles is one of the key factors in defining their impacts on climate. Condensation of sulphuric acid onto less hygroscopic...
Mönkkönen, P., Koponen, I. K., Lehtinen, K. E. J., Hämeri, K., Uma, R., Kulmala, M.
Diurnal variation of number size distribution (particle size 3?800 nm) and modal parameters (geometric standard deviation, geometric mean diameter and modal aerosol particle concentration) in a...
Urban aerosol number size distributions (2004)
Hussein, T., Puustinen, A., Aalto, P. P., Mäkelä, J. M., Hämeri, K., Kulmala, M.
Aerosol number size distributions have been measured since 5 May 1997 in Helsinki, Finland. The presented aerosol data represents size distributions within the particle diameter size range 8-400nm...
Effects of SO2 oxidation on ambient aerosol growth in water and ethanol vapours (2004)
Petäjä, T., Hämeri, K., Vaattovaara, P., Joutsensaari, J., Junkermann, W., ...
Hygroscopicity (i.e. water vapour affinity) of atmospheric aerosol particles is one of the key factors in defining their impacts on climate. Condensation of sulphuric acid onto less hygroscopic...
Mönkkönen, P., Koponen, I. K., Lehtinen, K. E. J., Hämeri, K., Uma, R., Kulmala, M.
Diurnal variation of number size distribution (particle size 3?800 nm) and modal parameters (geometric standard deviation, geometric mean diameter and modal aerosol particle concentration) in a...
Urban aerosol number size distributions (2004)
Hussein, T., Puustinen, A., Aalto, P. P., Mäkelä, J. M., Hämeri, K., Kulmala, M.
Aerosol number size distributions have been measured since 5 May 1997 in Helsinki, Finland. The presented aerosol data represents size distributions within the particle diameter size range 8-400nm...
P. Mönkkönen, I. K. Koponen, K. Hämeri, R. Uma, M. Kulmala
Diurnal variation of number size distribution (particle size 3–800 nm) and modal parameters (geometric standard deviation, geometric mean diameter and modal aerosol particle concentration) in a...
Effects of SO2 oxidation on ambient aerosol growth in water and ethanol vapours (2004)
T. Petäjä, K. Hämeri, P. Vaattovaara, J. Joutsensaari, W. Junkermann, ...
Hygroscopicity (i.e. water vapour affinity) of atmospheric aerosol particles is one of the key factors in defining their impacts on climate. Condensation of sulphuric acid onto less hygroscopic...
Urban aerosol number size distributions (2003)
Hussein, T., Puustinen, A., Aalto, P. P., Mäkelä, J. M., Hämeri, K., Kulmala, M.
Aerosol number size distributions were measured continuously in Helsinki, Finland from 5 May 1997 to 28 February 2003. The daily, monthly and annual patterns were investigated. The temporal variation...
Urban aerosol number size distributions (2003)
Hussein, T., Puustinen, A., Aalto, P. P., Mäkelä, J. M., Hämeri, K., Kulmala, M.
Aerosol number size distributions were measured continuously in Helsinki, Finland from 5 May 1997 to 28 February 2003. The daily, monthly and annual patterns were investigated. The temporal variation...
Urban aerosol number size distributions (2003)
T. Hussein, A. Puustinen, P. P. Aalto, J. M. Mäkelä, K. Hämeri, M. Kulmala
Aerosol number size distributions were measured continuously in Helsinki, Finland from 5 May 1997 to 28 February 2003. The daily, monthly and annual patterns were investigated. The temporal variation...
Field measurements of hygroscopic properties and state of mixing of nucleation mode particles (2002)
M. Väkevä, M. Kulmala, F. Stratmann, K. Hämeri
An Ultrafine Tandem Differential Mobility Analyser (UF-TDMA) has been used in several field campaigns over the last few years. The investigations were focused on the origin and properties of...
Field measurements of hygroscopic properties and state of mixing of nucleation mode particles (2002)
Väkevä, M., Kulmala, M., Stratmann, F., Hämeri, K.
An Ultrafine Tandem Differential Mobility Analyser (UF-TDMA) has been used in several field campaigns over the last few years. The investigations were focused on the origin and properties of...
Field measurements of hygroscopic properties and state of mixing of nucleation mode particles (2002)
Väkevä, M., Kulmala, M., Stratmann, F., Hämeri, K.
An Ultrafine Tandem Differential Mobility Analyser (UF-TDMA) has been used in several field campaigns over the last few years. The investigations were focused on the origin and properties of...
J. Joutsensaari, P. Vaattovaara, M. Vesterinen, K. Hämeri, A. Laaksonen
A novel method to characterize the organic composition of aerosol particles has been developed. The method is based on organic vapor interaction with aerosol particles and it has been named an...
Field measurements of hygroscopic properties and state of mixing of nucleation mode particles (2001)
Väkevä, M., Kulmala, M., Stratmann, F., Hämeri, K.
An Ultrafine Tandem Differential Mobility Analyser (UF-TDMA) has been used in several field campaigns over the last few years. The investigations were focused on the origin and properties of...
Joutsensaari, J., Vaattovaara, P., Hämeri, K., Laaksonen, A.
A novel method to characterize the organic composition of aerosol particles has been developed. The method is based on organic vapor interaction with aerosol particles and it has been named an...
Joutsensaari, J., Vaattovaara, P., Vesterinen, M., Hämeri, K., Laaksonen, A.
A novel method to characterize the organic composition of aerosol particles has been developed. The method is based on organic vapor interaction with aerosol particles and it has been named an...
Field measurements of hygroscopic properties and state of mixing of nucleation mode particles (2001)
Väkevä, M., Kulmala, M., Stratmann, F., Hämeri, K.
An Ultrafine Tandem Differential Mobility Analyser (UF-TDMA) has been used in several field campaigns over the last few years. The investigations were focused on the origin and properties of...
Joutsensaari, J., Vaattovaara, P., Hämeri, K., Laaksonen, A.
A novel method to characterize the organic composition of aerosol particles has been developed. The method is based on organic vapor interaction with aerosol particles and it has been named an...
Joutsensaari, J., Vaattovaara, P., Vesterinen, M., Hämeri, K., Laaksonen, A.
A novel method to characterize the organic composition of aerosol particles has been developed. The method is based on organic vapor interaction with aerosol particles and it has been named an...
J. Joutsensaari, P. Vaattovaara, K. Hämeri, A. Laaksonen
A novel method to characterize the organic composition of aerosol particles has been developed. The method is based on organic vapor interaction with aerosol particles and it has been named an...
Field measurements of hygroscopic properties and state of mixing of nucleation mode particles (2001)
M. Väkevä, M. Kulmala, F. Stratmann, K. Hämeri
An Ultrafine Tandem Differential Mobility Analyser (UF-TDMA) has been used in several field campaigns over the last few years. The investigations were focused on the origin and properties of...