New particle formation from the oxidation of direct emissions of pine seedlings (2009)
L. Q. Hao, P. Yli-Pirilä, P. Tiitta, S. Romakkaniemi, P. Vaattovaara, M. K. Kajos, ...
Measurements of particle formation following the gas phase oxidation of volatile organic compounds (VOCs) emitted by Scots pine (<i>Pinus sylvestris L.</i>) seedlings are reported....
A. Hamed, W. Birmili, J. Joutsensaari, S. Mikkonen, A. Asmi, B. Wehner, ...
In anthropogenically influenced atmospheres, sulphur dioxide (SO2) is the main precursor of gaseous sulphuric acid (H2SO4), which in turn forms new aerosol particles (diameter <10 nm) through...
A. Hamed, W. Birmili, J. Joutsensaari, S. Mikkonen, A. Asmi, B. Wehner, ...
In anthropogenically influenced atmospheres, sulphur dioxide (SO<sub>2</sub>) is the main precursor of gaseous sulphuric acid (H<sub>2</sub>SO<sub>4</sub>), which...
New particle formation from the oxidation of direct emissions of pine seedlings (2009)
L. Q. Hao, P. Yli-Pirilä, P. Tiitta, S. Romakkaniemi, P. Vaattovaara, M. K. Kajos, ...
Measurements of particle formation following the gas phase oxidation of volatile organic compounds (VOCs) emitted by Scots pine (<i>Pinus sylvestris</i> L.) seedlings are reported....
The role of VOC oxidation products in continental new particle formation (2008)
Laaksonen, A., Kulmala, M., O'Dowd, C. D., Joutsensaari, J., Vaattovaara, P., Mikkonen, S., ...
Aerosol physical and chemical properties and trace gas concentrations were measured during the QUEST field campaign in March?April 2003, in Hyytiälä, Finland. Our aim was to understand the role of...
The role of VOC oxidation products in continental new particle formation (2008)
Laaksonen, A., Kulmala, M., O'Dowd, C. D., Joutsensaari, J., Vaattovaara, P., Mikkonen, S., ...
Aerosol physical and chemical properties and trace gas concentrations were measured during the QUEST field campaign in March?April 2003, in Hyytiälä, Finland. Our aim was to understand the role of...
The role of VOC oxidation products in continental new particle formation (2008)
Laaksonen, A., Kulmala, M., O'Dowd, C. D., Joutsensaari, J., Vaattovaara, P., Mikkonen, S., ...
The role of VOC oxidation products in continental new particle formation (2008)
A. Laaksonen, M. Kulmala, C. D. O'Dowd, J. Joutsensaari, P. Vaattovaara, S. Mikkonen, ...
Aerosol physical and chemical properties and trace gas concentrations were measured during the QUEST field campaign in March–April 2003, in Hyytiälä, Finland. Our aim was to understand the...
The role of VOC oxidation products in continental new particle formation. (2008)
Laaksonen, A., Kulmala, M., O'Dowd, C.D., Joutsensaari, J., Vaattovaara, P., Mikkonen, S., ...
Atmospheric Chemistry and Physics, 8(2008) S.2657-65
Nucleation and growth of new particles in Po Valley, Italy (2007)
A. Hamed, J. Joutsensaari, S. Mikkonen, L. Sogacheva, M. Dal Maso, M. Kulmala, ...
Aerosol number distribution measurements are reported at San Pietro Capofiume (SPC) station (44°39' N, 11°37' E) for the time period 2002–2005. The station is located in Po...
The role of VOC oxidation products in continental new particle formation (2007)
Laaksonen, A., Kulmala, M., O'Dowd, C. D., Joutsensaari, J., Vaattovaara, P., Mikkonen, S., ...
Aerosol physical and chemical properties and trace gas concentrations were measured during the QUEST field campaign in March?April, 2003, in Hyytiälä, Finland. Our aim was to understand the role of...
Nucleation and growth of new particles in Po Valley, Italy (2007)
Hamed, A., Joutsensaari, J., Mikkonen, S., Sogacheva, L., Dal Maso, M., Kulmala, M., ...
Aerosol number distribution measurements are reported at San Pietro Capofiume (SPC) station (44°39' N, 11°37' E) for the time period 2002?2005. The station is located in Po Valley, the largest...
The role of VOC oxidation products in continental new particle formation (2007)
Laaksonen, A., Kulmala, M., O'Dowd, C. D., Joutsensaari, J., Vaattovaara, P., Mikkonen, S., ...
Aerosol physical and chemical properties and trace gas concentrations were measured during the QUEST field campaign in March?April, 2003, in Hyytiälä, Finland. Our aim was to understand the role of...
Nucleation and growth of new particles in Po Valley, Italy (2007)
Hamed, A., Joutsensaari, J., Mikkonen, S., Sogacheva, L., Dal Maso, M., Kulmala, M., ...
Aerosol number distribution measurements are reported at San Pietro Capofiume (SPC) station (44°39' N, 11°37' E) for the time period 2002?2005. The station is located in Po Valley, the largest...
The role of VOC oxidation products in continental new particle formation (2007)
A. Laaksonen, M. Kulmala, C. D. O'Dowd, J. Joutsensaari, P. Vaattovaara, S. Mikkonen, ...
Aerosol physical and chemical properties and trace gas concentrations were measured during the QUEST field campaign in March–April, 2003, in Hyytiälä, Finland. Our aim was to understand the...
P. Vaattovaara, P. E. Huttunen, Y. J. Yoon, J. Joutsensaari, C. D. O'Dowd, ...
Newly-formed nanometer-sized particles have been observed at coastal and marine environments world wide. Organic species have so far not been detected in those newly-formed nucleation mode particles....
Using discriminant analysis as a nucleation event classification method (2006)
S. Mikkonen, A. Hamed, J. Joutsensaari, M. C. Facchini, A. Laaksonen
More than three years of measurements of aerosol size-distribution and different gas and meteorological parameters made in Po Valley, Italy were analysed for this study to examine which of the...
Nucleation and growth of new particles in Po Valley, Italy (2006)
Hamed, A., Joutsensaari, J., Mikkonen, S., Sogacheva, L., Dal Maso, M., Kulmala, M., ...
Aerosol number distribution measurements are reported at San Pietro Capofiume (SPC) station (44°39' N, 11°37' E) for the time period 2002?2005. The station is located in Po Valley, the largest...
Using discriminant analysis as a nucleation event classification method (2006)
Mikkonen, S., Lehtinen, K. E. J., Hamed, A., Joutsensaari, J., Facchini, M. C., Laaksonen, A.
More than three years of measurements of aerosol size-distribution and different gas and meteorological parameters made in Po Valley, Italy were analysed for this study to examine which of the...
Vaattovaara, P., Huttunen, P. E., Yoon, Y. J., Joutsensaari, J., Lehtinen, K. E. J., O'Dowd, C. D., ...
Newly-formed nanometer-sized particles have been observed at coastal and marine environments worldwide. Interestingly, organic species have so far not been detected in those newly-formed nucleation...
On the hygroscopic growth of ammoniated sulfate particles of non-stoichiometric composition (2006)
Kokkola, H., Joutsensaari, J., Hyppönen, N., Lehtinen, K. E. J., Laaksonen, A.
The hygroscopic growth of ammoniated sulfate particles was studied by measurements and model calculations for particles with varying ammonium-to-sulfate ratio. In the measurements, the...
Using discriminant analysis as a nucleation event classification method (2006)
Mikkonen, S., Lehtinen, K. E. J., Hamed, A., Joutsensaari, J., Facchini, M. C., Laaksonen, A.
More than three years of measurements of aerosol size-distribution and different gas and meteorological parameters made in Po Valley, Italy were analysed for this study to examine which of the...
Vaattovaara, P., Huttunen, P. E., Yoon, Y. J., Joutsensaari, J., Lehtinen, K. E. J., O'Dowd, C. D., ...
Newly-formed nanometer-sized particles have been observed at coastal and marine environments world wide. Organic species have so far not been detected in those newly-formed nucleation mode particles....
Nucleation and growth of new particles in Po Valley, Italy (2006)
Hamed, A., Joutsensaari, J., Mikkonen, S., Sogacheva, L., Dal Maso, M., Kulmala, M., ...
Aerosol number distribution measurements are reported at San Pietro Capofiume (SPC) station (44°39' N, 11°37' E) for the time period 2002?2005. The station is located in Po Valley, the largest...
Using discriminant analysis as a nucleation event classification method (2006)
Mikkonen, S., Lehtinen, K. E. J., Hamed, A., Joutsensaari, J., Facchini, M. C., Laaksonen, A.
More than three years of measurements of aerosol size-distribution and different gas and meteorological parameters made in Po Valley, Italy were analysed for this study to examine which of the...
Vaattovaara, P., Huttunen, P. E., Yoon, Y. J., Joutsensaari, J., Lehtinen, K. E. J., O'Dowd, C. D., ...
Newly-formed nanometer-sized particles have been observed at coastal and marine environments worldwide. Interestingly, organic species have so far not been detected in those newly-formed nucleation...
On the hygroscopic growth of ammoniated sulfate particles of non-stoichiometric composition (2006)
Kokkola, H., Joutsensaari, J., Hyppönen, N., Lehtinen, K. E. J., Laaksonen, A.
The hygroscopic growth of ammoniated sulfate particles was studied by measurements and model calculations for particles with varying ammonium-to-sulfate ratio. In the measurements, the...
Using discriminant analysis as a nucleation event classification method (2006)
Mikkonen, S., Lehtinen, K. E. J., Hamed, A., Joutsensaari, J., Facchini, M. C., Laaksonen, A.
More than three years of measurements of aerosol size-distribution and different gas and meteorological parameters made in Po Valley, Italy were analysed for this study to examine which of the...
Vaattovaara, P., Huttunen, P. E., Yoon, Y. J., Joutsensaari, J., Lehtinen, K. E. J., O'Dowd, C. D., ...
Newly-formed nanometer-sized particles have been observed at coastal and marine environments world wide. Organic species have so far not been detected in those newly-formed nucleation mode particles....
On the hygroscopic growth of ammoniated sulfate particles of non-stoichiometric composition (2006)
H. Kokkola, J. Joutsensaari, N. Hyppönen, A. Laaksonen
The hygroscopic growth of ammoniated sulfate particles was studied by measurements and model calculations for particles with varying ammonium-to-sulfate ratio. In the measurements, the...
Nanoparticle formation by ozonolysis of inducible plant volatiles (2005)
J. Joutsensaari, M. Loivamäki, T. Vuorinen, P. Miettinen, J. K. Holopainen, ...
We present the first laboratory experiments of aerosol formation from oxidation of volatile organic species emitted by living plants, a process which for half a century has been known to take place...
A method for detecting the presence of organic fraction in nucleation mode sized particles (2005)
P. Vaattovaara, M. Räsänen, T. Kühn, J. Joutsensaari, A. Laaksonen
New particle formation and growth has a very important role in many climate processes. However, the overall knowlegde of the chemical composition of atmospheric nucleation mode (particle diameter, d
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...
A method for detecting the presence of organic fraction in nucleation mode sized particles (2005)
Vaattovaara, P., Räsänen, M., Kühn, T., Joutsensaari, J., Laaksonen, A.
New particle formation and growth has a very important role in many climate processes. However, the overall knowlegde of the chemical composition of atmospheric nucleation mode (particle diameter, d
Nanoparticle formation by ozonolysis of inducible plant volatiles (2005)
Joutsensaari, J., Loivamäki, M., Vuorinen, T., Miettinen, P., Holopainen, J. K., ...
We present the first laboratory experiments of aerosol formation from oxidation of volatile organic species emitted by living plants, a process which for half a century has been known to take place...
A method for detecting the presence of organic fraction in nucleation mode sized particles (2005)
Vaattovaara, P., Räsänen, M., Kühn, T., Joutsensaari, J., Laaksonen, A.
New particle formation and growth has a very important role in many climate processes. However, the overall knowlegde of the chemical composition of atmospheric nucleation mode (particle diameter, d
Nanoparticle formation by ozonolysis of inducible plant volatiles (2005)
Joutsensaari, J., Loivamäki, M., Vuorinen, T., Miettinen, P., Holopainen, J. K., ...
We present the first laboratory experiments of aerosol formation from oxidation of volatile organic species emitted by living plants, a process which for half a century has been known to take place...
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...
A method for detecting the presence of organic fraction in nucleation mode sized particles (2005)
Vaattovaara, P., Räsänen, M., Kühn, T., Joutsensaari, J., Laaksonen, A.
New particle formation and growth has a very important role in many climate processes. However, the overall knowlegde of the chemical composition of atmospheric nucleation mode (particle diameter, d
Nanoparticle formation by ozonolysis of inducible plant volatiles (2005)
Joutsensaari, J., Loivamäki, M., Vuorinen, T., Miettinen, P., Holopainen, J. K., ...
We present the first laboratory experiments of aerosol formation from oxidation of volatile organic species emitted by living plants, a process which for half a century has been known to take place...
A method for detecting the presence of organic fraction in nucleation mode sized particles (2005)
Vaattovaara, P., Räsänen, M., Kühn, T., Joutsensaari, J., Laaksonen, A.
New particle formation and growth has a very important role in many climate processes. However, the overall knowlegde of the chemical composition of atmospheric nucleation mode (particle diameter, d
Nanoparticle formation by ozonolysis of inducible plant volatiles (2005)
Joutsensaari, J., Loivamäki, M., Vuorinen, T., Miettinen, P., Holopainen, J. K., ...
We present the first laboratory experiments of aerosol formation from oxidation of volatile organic species emitted by living plants, a process which for half a century has been known to take place...
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...
Nanoparticle formation by ozonolysis of inducible plant volatiles (2005)
J. Joutsensaari, M. Loivamäki, T. Vuorinen, P. Miettinen, J. K. Holopainen, ...
We present the first laboratory experiments of aerosol formation from oxidation of volatile organic species emitted by living plants, a process which for half a century has been known to take place...
A method for detecting the presence of organic fraction in nucleation mode sized particles (2005)
P. Vaattovaara, M. Räsänen, T. Kühn, J. Joutsensaari, A. Laaksonen
New particle formation and growth has a very important role in many climate processes. However, the overall knowlegde of the chemical composition of atmospheric nucleation mode (particle diameter,...
Cloud condensation nucleus production from nucleation events at a highly polluted region. (2005)
Laaksonen, A., Hamed, A., Joutsensaari, J., Hiltunen, L., Cavalli, F., Junkermann, W., ...
Geophysical Research Letters, 32(2005), L06812, doi:10.1029/2004GL022092
Ion production rate in a boreal forest based on ion, particle and radiation measurements (2004)
L. Laakso, T. Petäjä, M. Kulmala, J. Paatero, U. Hõrrak, ...
In this study the ion production rates in a boreal forest were studied based on two different methods: 1) cluster ion and particle concentration measurements, 2) external radiation and radon...
M. Boy, T. Petäjä, M. Dal Maso, Ü. Rannik, J. Rinne, P. Aalto, ...
As part of the OSOA (Origin and formation of Secondary Organic Aerosols) project, two intensive field campaigns were conducted in Melpitz, Germany and Hyytiälä, Finland. This paper gives an...
Boy, M., Petäjä, T., Dal Maso, M., Rannik, Ü., Rinne, J., Aalto, P., ...
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...
Ion production rate in a boreal forest based on ion, particle and radiation measurements (2004)
Laakso, L., Petäjä, T., Lehtinen, K. E. J., Kulmala, M., Paatero, J., Hõrrak, U., ...
In this study the ion production rates in a boreal forest are studied based on two different methods: 1) cluster ion and particle concentration measurements, 2) external radiation and radon...
Ion production rate in a boreal forest based on ion, particle and radiation measurements (2004)
Laakso, L., Petäjä, T., Lehtinen, K. E. J., Kulmala, M., Paatero, J., Hõrrak, U., ...
In this study the ion production rates in a boreal forest were studied based on two different methods: 1) cluster ion and particle concentration measurements, 2) external radiation and radon...
Boy, M., Petäjä, T., Dal Maso, M., Rannik, Ü., Rinne, J., Aalto, P., ...
As part of the OSOA (Origin and formation of Secondary Organic Aerosols) project, two intensive field campaigns were conducted in Melpitz, Germany and Hyytiälä, Finland. This paper gives an...
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...
Ion production rate in a boreal forest based on ion, particle and radiation measurements (2004)
Laakso, L., Petäjä, T., Lehtinen, K. E. J., Kulmala, M., Paatero, J., Hõrrak, U., ...
In this study the ion production rates in a boreal forest are studied based on two different methods: 1) cluster ion and particle concentration measurements, 2) external radiation and radon...
Ion production rate in a boreal forest based on ion, particle and radiation measurements (2004)
Laakso, L., Petäjä, T., Lehtinen, K. E. J., Kulmala, M., Paatero, J., Hõrrak, U., ...
In this study the ion production rates in a boreal forest were studied based on two different methods: 1) cluster ion and particle concentration measurements, 2) external radiation and radon...
Boy, M., Petäjä, T., Dal Maso, M., Rannik, Ü., Rinne, J., Aalto, P., ...
As part of the OSOA (Origin and formation of Secondary Organic Aerosols) project, two intensive field campaigns were conducted in Melpitz, Germany and Hyytiälä, Finland. This paper gives an...
Ion production rate in a boreal forest based on ion, particle and radiation measurements (2004)
L. Laakso, T. Petäjä, M. Kulmala, J. Paatero, U. Hõrrak, ...
In this study the ion production rates in a boreal forest are studied based on two different methods: 1) cluster ion and particle concentration measurements, 2) external radiation and radon...
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...
Boy, M., Petäjä, T., Dal Maso, M., Rannik, Ü., Rinne, J., Aalto, P., ...
Boy, M., Petäja, T., Dal Maso, M., Rannik, Ü., Rinne, J., Aalto, P., ...
As one part of the OSOA (Origin and formation of Secondary Organic Aerosols) project, two intensive field campaigns were conducted in Melpitz, Germany and Hyytiälä, Finland. This paper gives an...
Boy, M., Petäja, T., Dal Maso, M., Rannik, Ü., Rinne, J., Aalto, P., ...
As one part of the OSOA (Origin and formation of Secondary Organic Aerosols) project, two intensive field campaigns were conducted in Melpitz, Germany and Hyytiälä, Finland. This paper gives an...
M. Boy, T. Petäja, M. Dal Maso, Ü. Rannik, J. Rinne, P. Aalto, ...
As one part of the OSOA (Origin and formation of Secondary Organic Aerosols) project, two intensive field campaigns were conducted in Melpitz, Germany and Hyytiälä, Finland. This paper gives an...
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...
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...
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...
Addendum to the cloud proposal (2000)
Fastrup, B, Pedersen, E, Lillestol, E, Thorn, E, Bosteels, M, Gonidec, A, ...
A Study of the link between cosmic rays and clouds with a cloud chamber at the CERN PS (2000)
Fastrup, B, Pedersen, E, Lillestol, E, Thorn, E, Bosteels, M, Gonidec, A, ...
CLOUD: An Atmospheric research facility at CERN (2000)
Fastrup, B, Pedersen, E, Lillestol, E, Bosteels, M, Gonidec, A, Kirkby, J, ...