Ari Laaksonen

The jump in global temperatures in September 2023 is extremely unlikely due to internal climate variability alone

Rantanen, Mika; Laaksonen, Ari. 2024. npj climate and atmospheric science. 7: . 34 A1 Journal article (refereed), original research

Water Vapor Adsorption–Desorption Hysteresis Due to Clustering of Water on Nonporous Surfaces

Viisanen, Yrjö; Lbadaoui-Darvas, Maria; Alvarez Piedehierro, Ana; Welti, André; Nenes, Athanasios; Laaksonen, Ari. 2024. Langmuir. 40: 20311-20321 A1 Journal article (refereed), original research

African dust transport and deposition modelling verified through a citizen science campaign in Finland

Meinander, Outi; Kouznetsov, Rostislav; Uppstu, Andreas; Sofiev, Mikhail; Kaakinen, Anu; Salminen, Johanna; Rontu, Laura; Welti, André; Francis, Diana; Piedehierro, Ana A; Heikkilä, Pasi; Heikkinen, Enna; Laaksonen, Ari. 2023. Scientific reports. 13: . 1186 A1 Journal article (refereed), original research

Deposition freezing, pore condensation freezing and adsorption: Three processes, one description?

Lbadaoui-Darvas, Mária; Laaksonen, Ari; Nenes, Athanasios. 2023. Atmospheric chemistry and physics. 23: 10057-10074 A1 Journal article (refereed), original research

The molecular scale mechanism of deposition ice nucleation on silver iodide

Roudsari, Golnaz; Lbadaoui-Darvas, Mária; Welti, André; Nenes, Athanasios; Laaksonen, Ari. 2023. Environmental science : atmospheres. 2024; 4: 243-251 A1 Journal article (refereed), original research

Heterogeneous iodine-organic chemistry fast-tracks marine new particle formation

Huang, Ru-Jin; Hoffmann, Thorsten; Ovadnevaite, Jurgita; Laaksonen, Ari; Kokkola, Harri; Xu, Wen; Xu, Wei; Ceburnis, Darius; Zhang, Renyi; Seinfeld, John H.; O’Dowd, Colin. 2022. Proceedings of the National Academy of Sciences of the United States of America. 119: . e2201729119 A1 Journal article (refereed), original research

Nucleation of Water: From Fundamental Science to Atmospheric and Additional Applications

Laaksonen, Ari; Malila, Jussi. 2022. . . Elsevier C1 Book

Particle emissions from a modern heavy-duty diesel engine as ice nuclei in immersion freezing mode: a laboratory study on fossil and renewable fuels

Korhonen, Kimmo; Kristensen, Thomas Bjerring; Falk, John; Malmborg, Vilhelm B; Eriksson, Axel; Gren, Louise; Novakovic, Maja; Shamun, Sam; Karjalainen, Panu; Markkula, Lassi; Pagels, Joakim; Svenningsson, Birgitta; Tunér, Martin; Komppula, Mika; Laaksonen, Ari; Virtanen, Annele. 2022. Atmospheric chemistry and physics. 22: 1615-1631 A1 Journal article (refereed), original research

The Arctic has warmed nearly four times faster than the globe since 1979

Rantanen, Mika; Karpechko, Alexey Yu; Lipponen, Antti; Nordling, Kalle; Hyvärinen, Otto; Ruosteenoja, Kimmo; Vihma, Timo; Laaksonen, Ari. 2022. Communications earth & environment. 3: . 168 A1 Journal article (refereed), original research

Ice nucleation on surrogates of boreal forest SOA particles: effect of water content and oxidative age

Piedehierro, Ana A; Welti, Andre; Buchholz, Angela; Korhonen, Kimmo; Pullinen, Iida; Summanen, Ilkka; Virtanen, Annele; Laaksonen, Ari. 2021. Atmospheric chemistry and physics

Heterogeneous nucleation of water vapor on different types of black carbon particles

Laaksonen, Ari; Malila, Jussi; Nenes, Athanasios. 2020. Atmospheric chemistry and physics

SPIN modification for low-temperature experiments

Welti, André; Korhonen, Kimmo; Miettinen, Pasi; Piedehierro, Ana A; Viisanen, Yrjö; Virtanen, Annele; Laaksonen, Ari. 2020. Atmospheric measurement techniques

The road weather model RoadSurf (v6.60b) driven by the regional climate model HCLIM38: evaluation over Finland

Toivonen, Erika; Hippi, Marjo; Korhonen, Hannele; Laaksonen, Ari; Kangas, Markku; Pietikäinen, Joni-Pekka. 2019. Geoscientific model development

Global analysis of continental boundary layer new particle formation based on long-term measurements

Nieminen, Tuomo; Kerminen, Veli-Matti; Petäjä, Tuukka; Aalto, Pasi P; Arshinov, Mikhail; Asmi, Eija; Baltensperger, Urs; Beddows, David C S; Beukes, Johan Paul; Collins, Don; Ding, Aijun; Harrison, Roy M; Henzing, Bas; Hooda, Rakesh; Hu, Min; Horrak, Urmas; Kivekäs, Niku; Komsaare, Kaupo; Krejci, Radovan; Kristensson, Adam; et al. [Incl. Laaksonen, Ari; Virtanen Annele]. 2018. Atmospheric chemistry and physics

Identification of new particle formation events with deep learning

Joutsensaari, Jorma; Ozon, Matthew; Nieminen, Tuomo; Mikkonen, Santtu; Lähivaara, Timo; Decesari, Stefano; Facchini, M Cristina; Laaksonen, Ari; Lehtinen, Kari EJ. 2018. Atmospheric chemistry and physics

Estimation of atmospheric particle formation rates through an analytical formula: validation and application in Hyytiälä and Puijo, Finland

Baranizadeh Elham, Nieminen Tuomo, Yli-Juuti Taina, Kulmala Markku, Petaja Tuukka, Leskinen Ari, Komppula Mika, Laaksonen Ari, Lehtinen Kari EJ. 2017. Atmospheric chemistry and physics

Increasing large scale windstorm damage in Western, Central and Northern European forests, 1951-2010

Gregow H, Laaksonen A, Alper ME. 2017. Scientific reports

Sources of particulate organic nitrates in the boreal forest in Finland

Kortelainen A, Hao L, Tiitta P, Jaatinen A, Miettinen P, Kulmala M, Smith JN, Laaksonen A, Worsnop DR, Virtanen A. 2017. Boreal environment research

Surface tension prevails over solute effect in organic-influenced cloud droplet activation

Ovadnevaite Jurgita, Zuend Andreas, Laaksonen Ari, Sanchez Kevin J, Roberts Greg, Ceburnis Darius, Decesari Stefano, Rinaldi Matteo, Hodas Natasha, Facchini Maria Cristina, Seinfeld John H, O'Dowd Colin. 2017. Nature

An adsorption theory of heterogeneous nucleation of water vapour on nanoparticles

Laaksonen A, Malila J. 2016. Atmospheric chemistry and physics

Herbivory by an outbreaking moth increases emissions of biogenic volatiles and leads to enhanced secondary organic aerosol formation capacity

Yli-Pirilä Pasi, Copolovici Lucian, Kännaste Astrid, Noe Steffen, Blande James D, Mikkonen Santtu, Klemola Tero, Pulkkinen Juha, Virtanen Annele, Laaksonen Ari, Joutsensaari Jorma, Niinemets Ülo, Holopainen Jarmo K. 2016. Environmental science and technology

High concentrations of sub-3nm clusters and frequent new particle formation observed in the Po Valley, Italy, during the PEGASOS 2012 campaign

Kontkanen Jenni, Järvinen Emma, Manninen Hanna E., Lehtipalo Katrianne, Kangasluoma Juha, Decesari Stefano, Gobbi Gian Paolo, Laaksonen Ari, Petäjä Tuukka, Kulmala Markku. 2016. Atmospheric chemistry and physics

Hygroscopicity of nanoparticles produced from homogeneous nucleation in the CLOUD experiments

Kim J, Ahlm L , Yli-Juuti T, Lawler M, Keskinen H, Tröestl J, Schobesberger S, Duplissy J, Amorim A, Bianchi F, Donahue NM, Flagan RC, Hakala J, Heinritzi M, Jokinen T, Kuerten A, Laaksonen A, Lehtipalo K, Miettinen P, Petäjä T et al. 2016. Atmospheric chemistry and physics

Implementation of state-of-the-art ternary new-particle formation scheme to the regional chemical transport model PMCAMx-UF in Europe

Baranizadeh Elham, Murphy Benjamin N, Julin Jan, Falahat Saeed, Reddington Carly L, Arola Antti, Ahlm Lars, Mikkonen Santtu, Fountoukis Christos, Patoulias David, Minikin Andreas, Hamburger Thomas, Laaksonen Ari, Pandis Spyros N, Vehkamäki Hanna, Lehtinen Kari EJ, Riipinen Ilona. 2016. Geoscientific model development

Ion-induced nucleation of pure biogenic particles

Kirkby Jasper, Duplissy Jonathan, Sengupta Kamalika, Frege Carla, Gordon Hamish, Williamson Christina, Heinritzi Martin, Simon Mario, Yan Chao, Almeida Joäo, Tröstl Jasmin, Nieminen Tuomo, Ortega Ismael K, Wagner Robert, Adamov Alexey, Amorim Antonio, Bernhammer Anne-Kathrin, Bianchi Federico, Breitenlechner Martin, Brilke Sophia et al. 2016. Nature

Modeling the thermodynamics and kinetics of sulfuric acid-dimethylamine-water nanoparticle growth in the CLOUD chamber

Ahlm L, Yli-Juuti T, Schobesberger S, Praplan AP, Kim J, Tikkanen O-P, Lawler MJ, Smith JN, Tröstl J, Acosta Navarro JC, Baltensperger U, Bianchi F, Donahue NM, Duplissy J, Franchin A, Jokinen T, Keskinen H, Kirkby J, Kürten A, Laaksonen A et al. 2016. Aerosol science and technology

Reduced anthropogenic aerosol radiative forcing caused by biogenic new particle formation

Gordon Hamish, Sengupta Kamalika, Rap Alexandru, Duplissy Jonathan, Frege Carla, Williamson Christina, Heinritzi Martin, Simon Mario, Yan Chao, Almeida João, Tröstl Jasmin, Nieminen Tuomo, Ortega Ismael K, Wagner Robert, Dunne Eimear M, Adamov Alexey, Amorim Antonio, Bernhammer Anne-Kathrin, Bianchi Federico, Breitenlechner Martin et al. 2016. Proceedings of the National Academy of Sciences of the United States of America

Surface fractal dimension, water adsorption efficiency, and cloud nucleation activity of insoluble aerosol

Laaksonen A, Malila J, Nenes A, Hung HM, Chen, JP. 2016. Scientific reports

The effect of acid-base clustering and ions on the growth of atmospheric nano-particles

Lehtipalo Katrianne, Rondo Linda, Kontkanen Jenni, Schobesberger Siegfried, Jokinen Tuija, Sarnela Nina, Kürten Andreas, Ehrhart Sebastian, Franchin Alessandro, Nieminen Tuomo, Riccobono Francesco, Sipilä Mikko, Yli-Juuti Taina, Duplissy Jonathan, Adamov Alexey, Ahlm Lars, Almeida Joäo, Amorim Antonio, Bianchi Federico, Breitenlechner Martin et al. 2016. Nature communications

The role of low-volatility organic compounds in initial particle growth in the atmosphere

Tröstl Jasmin, Chuang Wayne K, Gordon Hamish, Heinritzi Martin, Yan Chao, Molteni Ugo, Ahlm Lars, Frege Carla, Bianchi Federico, Wagner Robert, Simon Mario, Lehtipalo Katrianne, Williamson Christina, Craven Jill S, Duplissy Jonathan, Adamov Alexey, Almeida Joao, Bernhammer Anne-Kathrin, Breitenlechner Martin, Brilke Sophia et al.. 2016. Nature

Ubiquity of organic nitrates from nighttime chemistry in the European submicron aerosol

Kiendler-Scharr A, Mensah AA, Friese E, Topping D, Nemitz E, Prevot ASH, Äijälä M, Allan J, Canonaco F, Canagaratna M, Carbone S, Crippa M, Dall Osto M, Day DA, De Carlo P, Di Marco CF, Elbern H, Eriksson A, Freney E, Hao L et al. 2016. Geophysical research letters

A unifying model for adsorption and nucleation of vapors on solid surfaces

Laaksonen Ari. 2015. Journal of physical chemistry a

Adsorptive uptake of water by semisolid secondary organic aerosols

Pajunoja Aki, Lambe Andrew T, Hakala Jani, Rastak Narges, Cummings Molly J, Brogan James F, Hao Liqing, Paramonov Mikhail, Hong Juan, Prisle Nonne L, Malila Jussi, Romakkaniemi Sami, Lehtinen Kari EJ, Laaksonen Ari, Kulmala Markku, Massoli Paola, Onasch Timothy B, Donahue Neil M, Riipinen Ilona, Davidovits Paul et al. 2015. Geophysical research letters

Biotic stress accelerates formation of climate-relevant aerosols in boreal forests

Joutsensaari J, Yli-Pirilä P, Korhonen H, Arola A, Blande JD, Heijari J, Kivimäenpää M, Mikkonen S, Hao L, Miettinen P, Lyytikäinen-Saarenmaa, Faiola CL, Laaksonen A, Holopainen JK. 2015. Atmospheric chemistry and physics

CCN activation of fumed silica aerosols mixed with soluble pollutants

Dalirian M, Keskinen H, Ahlm L, Ylisirniö A, Romakkaniemi S, Laaksonen A, Virtanen A, Riipinen I. 2015. Atmospheric chemistry and physics

Communication: Kinetics of scavenging of small, nucleating clusters: First nucleation theorem and sum rules

Malila Jussi, McGraw Robert, Laaksonen Ari, Lehtinen Kari E J. 2015. Journal of chemical physics

Geographical and diurnal features of amine-enhanced boundary layer nucleation

Bergman T, Laaksonen A, Korhonen H, Malila J, Dunne EM, Mielonen T, Lehtinen KEJ, Kühn T, Arola A, Kokkola H. 2015. Journal of geophysical research : atmospheres

Impacts of emission reductions on aerosol radiative effects

Pietikäinen J-P, Kupiainen K, Klimont Z, Makkonen R, Korhonen H, Karinkanta R, Hyvärinen A-P, Karvosenoja N, Laaksonen A, Lihavainen H, Kerminen V-M. 2015. Atmospheric chemistry and physics

Implementation of the CORINE land use classification in the regional climate model REMO

Gao Yao, Weiher Stefan, Markkanen Tiina, Pietikäinen Joni-Pekka, Gregow Hilppa, Henttonen Helena M, Jacob Daniela, Laaksonen Ari. 2015. Boreal environment research

On the composition of ammonia-sulfuric-acid ion clusters during aerosol particle formation

Schobesberger S, Franchin A, Bianchi F, Rondo L, Duplissy J, Kürten A, Ortega IK, Metzger A, Schnitzhofer R, Almeida J, Amorim A, Dommen J, Dunne EM, Ehn M, Gagné S, Ickes L, Junninen H, Hansel A, Kerminen V-M, Kirkby J et al. 2015. Atmospheric chemistry and physics

Real-Time Chemical Composition Analysis of Particulate Emissions from Woodchip Combustion

Kortelainen Aki, Joutsensaari Jorma, Hao Liqing, Leskinen Jani, Tiitta Petri, Jaatinen Antti, Miettinen Pasi, Sippula Olli, Torvela Tiina, Tissari Jarkko, Jokiniemi Jorma, Worsnop Douglas R., Smith James N., Laaksonen Ari, Virtanen Annele. 2015. Energy and fuels

Aerosol Liquid Water Driven by Anthropogenic Nitrate: Implications for Lifetimes of Water-Soluble Organic Gases and Potential for Secondary Organic Aerosol Formation

Hodas Natasha, Sullivan Amy P, Skog Kate, Keutsch Frank N, Collett Jeffrey L Jr, Decesari Stefano, Facchini M Cristina, Carlton Annmarie G, Laaksonen Ari, Turpin Barbara J. 2014. Environmental science and technology

Ammonium nitrate evaporation and nitric acid condensation in DMT CCN counters

Romakkaniemi Sami, Jaatinen Antti, Laaksonen Ari, Nenes Athanasios, Raatikainen Tomi. 2014. Atmospheric measurement techniques

Analysis of nucleation events in the European boundary layer using the regional aerosol-climate model REMO-HAM with a solar radiation-driven OH-proxy

Pietikäinen Joni-Pekka, Mikkonen Santtu, Hamed Amar, Hienola Anca I, Birmili Wolfram, Kulmala Markku, and Laaksonen Ari. 2014. Atmospheric chemistry and physics

Atmospheric submicron aerosol composition and particulate organic nitrate formation in a boreal forestland-urban mixed region

Hao Liqing, Kortelainen Aki, Romakkaniemi Sami, Portin Harri, Jaatinen Antti, Leskinen Ari, Komppula Mika, Miettinen Pasi, Sueper Donna, Pajunoja Aki, Smith James N, Lehtinen Kari E J, Worsnop Douglas R, Laaksonen Ari, Virtanen Annele. 2014. Atmospheric chemistry and physics

Biogeophysical impacts of peatland forestation on regional climate changes in Finland

Gao Y, Markkanen T, Backman L, Henttonen H M, Pietikäinen Joni-Pekka, Mäkelä Hanna M, Laaksonen Ari. 2014. BIOGEOSCIENCES

Chemical composition, main sources and temporal variability of PM 1 aerosols in southern African grassland

Tiitta P, Vakkari V, Croteau P, Beukes JP, van Zyl PG, Josipovic M, Venter AD, Jaars K, Pienaar JJ, Ng NL, Canagaratna MR, Jayne JT, Kerminen V-M, KokkolaH, Kulmala M, Laaksonen A, Worsnop DR, Laakso L. 2014. Atmospheric chemistry and physics

Climate impacts of changing aerosol emissions since 1996

Kühn Thomas, Partanen Antti-Ilari, Laakso Anton, Lu Z, Bergman Tommi, Mikkonen Santtu, Kokkola Harri, Korhonen Hannele, Räisänen Petri, Streets D G, Romakkaniemi Sami, Laaksonen Ari. 2014. Geophysical research letters

Comment on "Changes in Droplet Surface Tension Affect the Observed Hygroscopicity of Photochemically Aged Biomass Burning Aerosol"

Raatikainen Tomi, Laaksonen Ari. 2014. Environmental science and technology

Evaluation of North Eurasian snow-off dates in the ECHAM5.4 atmospheric general circulation model

Räisänen P, Luomaranta A, Järvinen H, Takala M, Jylhä K, Bulygina O N, Luojus K, Riihelä A, Laaksonen Ari, Koskinen J, Pulliainen J. 2014. Geoscientific model development

Finnish Centre of Excellence in Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change: summary and outlook

Kulmala Markku, Lappalainen Hanna K, Bäck Jaana, Laaksonen Ari, Nikinmaa E, Riekkola M-L, Vesala Timo, Viisanen Yrjö, Aalto T, Boy M, Dal Maso Miikka, Ehn Mikael, Hakola Hannele, Hari P, Hartonen K, Hämeri Kaarle, Hölttä T, Junninen Heikki, Järvi Leena, Kurten Theo, et al.. 2014. Boreal environment research

Hygroscopic and chemical characterisation of Po Valley aerosol

Bialek J, Dall Osto M, Vaattovaara Petri, Decesari S, Ovadnevaite J, Laaksonen Ari, O'Dowd Colin. 2014. Atmospheric chemistry and physics

Improved power-law estimates from multiple samples provided by millennium climate simulations

Henriksson Svante V, Räisänen Petri, Silen J, Järvinen Heikki, Laaksonen Ari. 2014. Theoretical and applied climatology

Increased hygroscopicity of Arizona Test Dust seeds by secondary organic aerosol coating from Increased hygroscopicity of Arizona Test Dust seeds by secondary organic alfa-pinene ozonolysis

Keskinen Helmi, Kortelainen Aki-Matti, Jaatinen Antti, Yli-Pirilä Pasi, Joutsensaari Jorma, Romakkaniemi Sami, Hao Liqing, Torvela Tiina, Miettinen Pasi, Virtanen Annele, Worsnop Douglas R, Laaksonen Ari, Smith James N. 2014. Boreal environment research

Insight into Acid-Base Nucleation Experiments by Comparison of the Chemical Composition of Positive, Negative, and Neutral Clusters

Bianchi Federico, Praplan Arnaud P, Sarnela Nina, Dommen Josef, Kürten Andreas, Ortega Ismael K, Schobesberger Siegfried, Junninen Heikki, Simon Mario, Tröstl Jasmin, Jokinen Tuija, Sipilä Mikko, Adamov Alexey, Amorim Antonio, Almeida Joao, Breitenlechner Martin, Duplissy Jonathan, Ehrhart Sebastian, Flagan Richard C, et al.. 2014. Environmental science and technology

Multimodel estimates of the changes in the Baltic Sea ice cover during the present century

Luomaranta Anna, Ruosteenoja Kimmo, Jylha Kirsti, Gregow Hilppa, Haapala Jari, Laaksonen Ari. 2014. Tellus series a: dynamic meteorology and oceanography

Neutral molecular cluster formation of sulfuric acid-dimethylamine observed in real time under atmospheric conditions

Kürten Andreas, Jokinen Tuija, Simon Mario, Sipilä Mikko, Sarnela Nina, Junninen Heikki, Adamov Alexey, Almeida João, Amorim Antonio, Bianchi Federico, Breitenlechner Martin, Dommen Josef, Donahue Neil M, Duplissy Jonathan, Ehrhart Sebastian, Flagan Richard C, Franchin Alessandro, Hakala Jani, Hansel Armin, Heinritzi Martin, et al.. 2014. Proceedings of the National Academy of Sciences of the United States of America

Observing wind, aerosol particles, cloud and precipitation: Finland's new ground-based remote-sensing network

Hirsikko Anne, O'Connor E J, Komppula Mika, Korhonen Kimmo, Pfüller Anne, Giannakaki Eleni, Wood C R, Bauer-Pfundstein M, Poikonen A, Karppinen T, Lonka H, Kurri M, Heinonen J, Moisseev D, Asmi Eija, Aaltonen V, Nordbo Annika, Rodriguez E, Lihavainen Heikki, Laaksonen Ari, Lehtinen Kari E J, Laurila T, Petäjä Tuukka, Kulmala Markku, Viisanen Yrjö. 2014. Atmospheric measurement techniques

Organic aerosol components derived from 25 AMS data sets across Europe using a consistent ME-2 based source apportionment approach

Crippa M, Canonaco F, Lanz V A, Äijälä M, Allan J D, Carbone S, Capes G, Ceburnis D, Dall'Osto M, Day D A, DeCarlo P F, Ehn M, Eriksson A, Freney E, Hildebrandt Ruiz L, Hillamo R, Jimenez J L, Junninen H, Kiendler-Scharr A, Kortelainen Aki-Matti, et. al.. 2014. Atmospheric chemistry and physics

Oxidation Products of Biogenic Emissions Contribute to Nucleation of Atmospheric Particles

Riccobono Francesco, Schobesberger Siegfried, Scott Catherine E, Dommen Josef, Ortega Ismael K, Rondo Linda, Almeida João, Amorim Antonio, Bianchi Federico, Breitenlechner Martin, David André, Downard Andrew, Dunne Eimear M, Duplissy Jonathan, Ehrhart Sebastian, Flagan Richard C, Franchin Alessandro, Hansel Armin, Junninen Heikki, Kajos Maija, Keskinen Helmi et al. 2014. Science

Reallocation in modal aerosol models: impacts on predicting aerosol radiative effects

Korhola Tapani, Kokkola Harri, Korhonen Hannele, Partanen Antti-Ilari, Laaksonen Ari, Lehtinen Kari E J, Romakkaniemi Sami. 2014. Geoscientific model development

Representing situational knowledge acquired from sensor data for atmospheric phenomena

Stocker Markus, Baranizadeh Elham, Portin Harri, Komppula Mika, Rönkkö Mauno, Hamed Amar, Virtanen Annele, Lehtinen Kari, Laaksonen Ari, Kolehmainen Mikko. 2014. Environmental modelling and software

Spatial distributions and seasonal cycles of aerosol climate effects in India seen in a global climate-aerosol model

Henriksson Svante V, Pietikäinen Joni-Pekka, Hyvärinen Antti-Pekka, Räisänen Petri, Kupiainen K, Tonttila Juha, Hooda R, Lihavainen Heikki, O'Donnell Declan, Backman L, Klimont Z, Laaksonen Ari. 2014. Atmospheric chemistry and physics

The effect of cloudiness on new-particle formation: investigation of radiation levels

Baranizadeh Elham, Arola Antti, Hamed Amar, Nieminen Tuomo, Mikkonen Santtu, Virtanen Annele, Kulmala Markku, Lehtinen Kari, Laaksonen Ari. 2014. Boreal environment research

The effect of local sources on particle size and chemical composition and their role in aerosol-cloud interactions at Puijo measurement station

Portin Harri, Leskinen Ari, Hao Liqing, Kortelainen Aki, Miettinen Pasi, Jaatinen Antti, Laaksonen Ari, Lehtinen Kari E J, Romakkaniemi Sami, Komppula Mika. 2014. Atmospheric chemistry and physics

The third Pallas Cloud Experiment: Consistency between the aerosol hygroscopic growth and CCN activity

Jaatinen Antti, Romakkaniemi Sami, Anttila Tatu, Hyvärinen Antti-Pekka, Hao Liqing, Kortelainen Aki, Miettinen Pasi, Mikkonen Santtu, Smith James N, Virtanen Annele, Laaksonen Ari. 2014. Boreal environment research

Trends in the average temperature in Finland, 1847-2013

Mikkonen Santtu, Laine Marko, Mäkelä Hanna M, Gregow Hilppa, Tuomenvirta Heikki, Lahtinen Matti, Laaksonen Ari. 2014. Stochastic environmental research and risk assessment

A combined theory of heterogeneous nucleation and adsorption of vapors on solid surfaces

Laaksonen Ari. 2013. AIP conference proceedings

Acquisition and Representation of Knowledge for Atmospheric New Particle Formation

Stocker Markus, Baranizadeh Elham, Hamed Amar, Rönkkö Mauno, Virtanen Annele, Laaksonen Ari, Portin Harri, Komppula Mika, Kolehmainen Mikko. 2013. IFIP advances in information and communication technology

Aerosol Chemical Composition in Cloud Events by High Resolution Time-of-Flight Aerosol Mass Spectrometry

L. Q. Hao, S. Romakkaniemi, A. Kortelainen, A. Jaatinen, H. Portin, P. Miettinen, M. Komppula, A. Leskinen, A. Virtanen, J.N. Smith, D. Sueper,D.R. Worsnop, K.E.J. Lehtinen and A. Laaksonen. 2013. Environmental science and technology

Black carbon concentration and deposition estimations in Finland by the regional aerosol-climate model REMO-HAM

Hienola Anca I, Pietikäinen Joni-Pekka, Jacob D, Pozdun R, Petäjä Tuukka, Hyvärinen, Antti-Pekka, Sogacheva Larisa, Kerminen Veli-Matti, Kulmala Markku, Laaksonen, Ari. 2013. Atmospheric chemistry and physics

Bounce characteristics of &#945 -pinene derived SOA particles with implications to physical phase

Kannosto Jonna, Yli-Pirilä Pasi, Hao Liqing, Leskinen Jani, Jokiniemi Jorma, Mäkelä Jyrki, Joutsensaari Jorma, Laaksonen Ari, Worsnop Douglas R, Keskinen Jorma, Virtanen Annele. 2013. Boreal environment research

Direct Observations of Atmospheric Aerosol Nucleation

Kulmala Markku, Kontkanen Jenni, Junninen Heikki, Lehtipalo Katrianne, Manninen Hanna E, Nieminen Tuomo, Petäjä Tuukka, Sipilä Mikko, Schobesberger Siegfried, Rantala Pekka, Franchin Alessandro, Jokinen Tuija, Järvinen Emma, Äijälä Mikko, Kangasluoma Juha, Hakala Jani, Aalto Pasi P, Paasonen Pauli, Mikkilä Jyri, Vanhanen Joonas, et. al.. 2013. Science

Effective aerosol optical depth from pyranometer measurements of surface solar radiation (global radiation) at Thessaloniki, Greece

Lindfors Anders V, Kouremeti N, Arola Antti, Kazadzis S, Bais A F, Laaksonen, Ari. 2013. Atmospheric chemistry and physics

Effects of modal and sectional aerosol representations on aerosol activation and light extinction

Korhola Tapani, Kokkola Harri, Korhonen Hannele, Partanen Antti-Ilari, Laaksonen Ari, Romakkaniemi Sami. 2013. AIP conference proceedings

Evolution of nanoparticle composition in CLOUD in presence of sulphuric acid, ammonia and organics

Keskinen Helmi, Virtanen Annele, Joutsensaari Jorma, Tsagkogeorgas G, Duplissy J, Schobesberger S, Gysel M, Riccobono F, Slowik JG, Bianchi F, Yli-Juuti T, Lehtipalo K, Rondo L, Breitenlechner M, Kupc A, Almeida J, Amorim A, Dunne EM, Downard A, Ehrhart S, et al.. 2013. AIP conference proceedings

Evolution of particle composition in CLOUD nucleation experiments

Keskinen Helmi, Virtanen Annele, Joutsensaari Jorma, Tsagkogeorgas G, Duplissy J, Schobesberger S, Gysel M, Riccobono F, Slowik J G, Bianchi F, Yli-Juuti Taina, Lehtipalo Katrianne, Rondo L, Breitenlechner M, Kupc A, Almeida J, Amorim A, Dunne E M, Downard A J, Ehrhart S, Franchin A, et. al.. 2013. Atmospheric chemistry and physics

Formation and growth of nucleated particles into cloud condensation nuclei: model-measurement comparison

Westervelt D M, Pierce J R, Riipinen Ilona, Trivitayanurak W, Hamed Amar, Kulmala Markku, Laaksonen Ari, Decesari S, Adams P J. 2013. Atmospheric chemistry and physics

Long-term measurements of cloud droplet concentrations and aerosol-cloud interactions in continental boundary layer clouds

Ahmad Irshad, Mielonen Tero, Grosvenor Daniel P, Portin Harri J, Arola Antti, Mikkonen Santtu, Kühn Thomas, Leskinen Ari, Joutsensaari Jorma, Komppula Mika, Lehtinen Kari EJ, Laaksonen Ari, Romakkaniemi Sami. 2013. Tellus series b: chemical and physical meteorology

Molecular understanding of atmospheric particle formation from sulfuric acid and large oxidized organic molecules

Schobesberger Siegfried, Junninen Heikki, Bianchi Federico, Lönn Gustaf, Ehn Mikael, Lehtipalo Katrianne, Dommen Josef, Ehrhart Sebastian, Ortega Ismael K, Franchin Alessandro, Nieminen Tuomo, Riccobono Francesco, Hutterli Manuel, Duplissy Jonathan, Almeida João, Amorim Antonio, Breitenlechner Martin, Downard Andrew J, Dunne Eimear M, Flagan Richard C, et al.. 2013. Proceedings of the National Academy of Sciences of the United States of America

Molecular understanding of sulphuric acid-amine particle nucleation in the atmosphere

Almeida João, Schobesberger Siegfried, Kürten Andreas, Ortega Ismael K, Kupiainen-Määttä Oona, PraplanArnaud P, Adamov Alexey, Amorim Antonio, Bianchi Federico, Breitenlechner Martin, David André, Dommen Josef, Donahue Neil M, Downard Andrew, Dunne Eimear, Duplissy Jonathan, Ehrhart Sebastian, Flagan Richard C, Franchin Alessandro, Guida Roberto, et. al.. 2013. Nature

Particle size distribution measurements at Hada Al Sham, western Saudi Arabia

Hyvärinen A-P, Al-Jeelani H, Alghamdi M, Hussein T, Khodeir M, Lihavainen H, Kulmala Markku, Laaksonen Ari. 2013. AIP conference proceedings

Repairing the first nucleation theorem: Precritical cluster losses

Malila Jussi, McGraw R, Laaksonen Ari, Lehtinen Kari EJ. 2013. AIP conference proceedings

Warming-induced increase in aerosol number concentration likely to moderate climate change

Paasonen Pauli, Asmi Ari, Petäjä Tuukka, Kajos Maija K, Äijälä Mikko, Junninen Heikki, Holst Thomas, Abbatt Jonathan P D, Arneth Almut, Birmili Wolfram, van der Gon Hugo Denier, Hamed Amar, Hoffer András, Laakso Lauri, Laaksonen Ari, Leaitch W Richard, Plass-Dülmer Christian, Pryor Sara C, Räisänen Petri, Swietlicki Erik, Wiedensohler Alfred, Worsnop Douglas R, Kerminen Veli-Matti, Kulmala Markku. 2013. Nature geoscience

Biomass burning aerosols observed in Eastern Finland during the Russian wildfires in summer 2010 - Part 1: In-situ aerosol characterization

Portin Harri, Mielonen Tero, Leskinen Ari, Arola Antti, Pärjälä E, Romakkaniemi Sami, Laaksonen Ari, Lehtinen Kari E J, Komppula Mika. 2012. Atmospheric environment

Brightening of the global cloud field by nitric acid and the associated radiative forcing

Makkonen Risto, Romakkaniemi Sami, Kokkola Harri, Stier P, Räisänen P, Rast S, Feichter J, Kulmala Markku, Laaksonen, Ari. 2012. Atmospheric chemistry and physics

Climate effects of northern hemisphere volcanic eruptions in an Earth System Model

Meronen H, Henriksson Svante V, Räisänen Petri, Laaksonen Ari. 2012. Atmospheric research

Detecting random error in the cloud droplet probe measurement time series

Mikkonen Santtu, Portin Harri, Komppula Mika, Laaksonen Ari, Romakkaniemi Sami. 2012. Report series in aerosol science

Determination of the biogenic secondary organic aerosol fraction in the boreal forest by NMR spectroscopy

Finessi E, Decesari S, Paglione M, Giulianelli L, Carbone C, Gilardoni S, Fuzzi S, Saarikoski S, Raatikainen Tomi, Hillamo R, Allan J, Mentel Th F, Tiitta Petri, Laaksonen Ari, Petäjä Tuukka, Kulmala Markku, Worsnop D R, Facchini M C. 2012. Atmospheric chemistry and physics

Effect of aerosol size distribution changes on AOD, CCN and cloud droplet concentration: Case studies from Erfurt and Melpitz, Germany

Romakkaniemi Sami, Arola Antti, Kokkola Harri, Birmili W, Tuch T, Kerminen Veli-Matti, Räisänen P, Smith James H, Korhonen Hannele, Laaksonen Ari. 2012. Journal of geophysical research

Humidity-dependent phase state of SOA particles from biogenic and anthropogenic precursors

Saukko Erkka, Lambe A T, Massoli P, Koop T, Wright J P, Croasdale D R, Pedernera D A, Onasch T B, Laaksonen Ari, Davidovits P, Worsnop Douglas R, Virtanen Annele. 2012. Atmospheric chemistry and physics

In-situ observations of Eyjafjallajökull ash particles by hot-air balloon

Petäjä Tuukka, Laakso L, Grönholm T, Launiainen S, Evele-Peltoniemi I, Virkkula A, Leskinen Ari, Backman J, Manninen H E, Sipila M, Haapanala S, Hameri K, Vanhala E, Tuomi T, Paatero J, Aurela M, Hakola H, Makkonen U, Hellen H, Hillamo R, et al.. 2012. Atmospheric environment

Measurement of the nucleation of atmospheric aerosol particles

Kulmala Markku, Petäjä Tuukka, Nieminen Tuomo, Sipilä Mikko, Manninen Hanna E, Lehtipalo Katrianne, Dal Maso Miikka, Aalto Pasi P, Junninen Heikki, Paasonen Pauli, Riipinen Ilona, Lehtinen Kari E J, Laaksonen Ari, Kerminen Veli-Matti. 2012. Nature physics

On the formation of sulphuric acid - amine clusters in varying atmospheric conditions and its influence on atmospheric new particle formation

Paasonen P, Olenius T, Kupiainen O, KurténT, Petäjä T, Birmili W, Hamed A, Hu M, Huey LG, Plass-Duelmer C, Smith JN, Wiedensohler A, Loukonen V, McGrath MJ, Ortega IK, Laaksonen A, Vehkamäki H, Kerminen V-M, Kulmala M. 2012. Atmospheric chemistry and physics

Overview of the studies conducted by the UEF aerosol physics group

Laaksonen, A, Romakkaniemi, S., Joutsensaari, J,, Hamed, A., Malila, J, Ahmad, I., Baranizadeh, E., Hao, L, Jaatinen, A, Keskinen, H., Korhola, T., Kortelainen, A., Kuhn, T., Maalick, Z., Miettinen, P, Mikkonen, S., Pajuoja, A, Smith, J.N., Vaattovaara, P, Yli-Pirilä, P., Virtanen, A.. 2012. Report series in aerosol science

Overview of the studies conducted by the UEF aerosol physics group. Proceedings of Finnish Center of Excellence in 'Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change', and Nordic Center of Excellence in 'Cryosphere-Atmosphere Interactions in a Changing Arctic Climate' Annual Meetings 2012, Editors: Markku Kul

Laaksonen, A., S. Romakkaniemi, J. Joutsensaari, A. Hamed, J. Malila, I. Ahmad, E. Baranizadeh, L. Hao, A. Jaatinen, H. Keskinen, T. Korhola, A. Kortelainen, T. Kuhn, Z. Maalick, P. Miettinen, S. Mikkonen, A. Pajuoja, J.N. Smith, P. Vaattovaara, P. Yli-Pirilä, A. Virtanen. 2012. Report series in aerosol science

Quasiperiodic climate variability with a period of 50-80 years: Fourier analysis of measurements and Earth System Model simulations

Henriksson Svante V, Räisänen Petri, Silén J, Laaksonen Ari. 2012. Climate dynamics

Seasonal cycle and source analyses of aerosol optical properties in a semi-urban environment at Puijo station in Eastern Finland

Leskinen Ari, Arola Antti, Komppula Mika, Portin Harri, Tiitta Petri, Miettinen Pasi, Romakkaniemi Sami, Laaksonen Ari, Lehtinen Kari EJ. 2012. Atmospheric chemistry and physics

Stratospheric passenger flights are likely an inefficient geoengineering strategy

Laakso Anton, Partanen Antti-Ilari, Kokkola Harri, Laaksonen Ari, Lehtinen Kari EJ and Korhonen Hannele. 2012. Environmental research letters

Aerosol hygroscopicity and CCN activation kinetics in a boreal forest environment during the 2007 EUCAARI campaign

Cerully K M, Raatikainen Tomi, Lance S, Tkacik D, Tiitta Petri, Petäjä Tuukka, Ehn M, Kulmala Markku, Worsnop D R, Laaksonen Ari, Smith James N, Nenes A. 2011. Atmospheric chemistry and physics

Bounce behavior of freshly nucleated biogenic secondary organic aerosol particles

Virtanen Annele, Kannosto Jonna, Kuuluvainen H, Arffman A, Joutsensaari Jorma, Saukko E, Hao L, Yli-Pirilä Pasi, Tiitta Petri, Holopainen JK, Keskinen J, Worsnop DR, Smith JN, Laaksonen Ari. 2011. Atmospheric chemistry and physics

Characterization of New Particle Formation Events in Kuopio, Finland Based on a three-year analysis

Hamed A, Portin H, Leskinen M, Komppula M, Lehtinen KEJ, Romakkaniemi S, Smith JN, Joutsensaari J, Laaksonen A. 2011.

European Integrated project on Aerosol Cloud Climate and Air Quality interactions (EUCAARI) ¿ integrating aerosol research from nano to global scales

Kulmala Markku, Asmi Ari, Lappalainen H K, Baltensperger U, Brenguier J-L, Facchini M C, Hansson H-C, Hov Ø, O'Dowd C D, Pöschl U, Wiedensohler A, Boers R, Boucher O, de Leeuw G, Denier van der Gon H A C, Feichter J, Krejci R, Laj P, Lihavainen H, Lohmann U, et al.. 2011. Atmospheric chemistry and physics

Mass yields of secondary organic aerosols from the oxidation of &#945 -pinene and real plant emissions

Hao Liqing, Romakkaniemi Sami, Yli-Pirilä Pasi, Joutsensaari Jorma, Kortelainen Aki, Kroll JH, Miettinen, Pasi, Vaattovaara Petri, Tiitta, Petri, Jaatinen Antti, Kajos MK, Holopainen JK, Heijari J, Rinne J, Kulmala Markku, Worsnop DR, Smith James & Laaksonen Ari. 2011. Atmospheric chemistry and physics

Meteorological and trace gas factors affecting the number concentration of atmospheric Aitken (Dp = 50 nm) particles in the continental boundary layer: parameterization using a multivariate mixed effects model

Mikkonen Santtu, Korhonen H,annele Romakkaniemi Sami, Smith James, Joutsensaari Jorma, Lehtinen Kari EJ, Hamed Amar, Breider TJ, Birmili W, Spindler G, Plass-Duelmer C, Facchini MC & Laaksonen Ari. 2011. Geoscientific model development

New particle formation events in semi-clean South African savannah

Vakkari Ville, Laakso H, Kulmala Markku, Laaksonen Ari, Mabaso D, Molefe M, Kgabi N & Laakso Lauri. 2011. Atmospheric chemistry and physics

On-Line Characterization of Morphology and Water Adsorption on Fumed Silica Nanoparticles

Keskinen Helmi, Romakkaniemi Sami, Jaatinen Antti, Miettinen Pasi, Saukko Erkka, Joutsensaari Jorma, Mäkelä Jyrki M., Virtanen Annele, Smith James N. & Laaksonen Ari. 2011. Aerosol science and technology

Role of sulphuric acid, ammonia and galactic cosmic rays in atmospheric aerosol nucleation

Kirkby Jasper, Curtius Joachim, Almeida João, Dunne Eimear, Duplissy Jonathan, Ehrhart Sebastian, Franchin Alessandro, Gagné Stéphanie, Ickes Luisa, Kürten Andreas, Kupc Agnieszka, Metzger Axel, Riccobono Francesco, Rondo Linda, Schobesberger Siegfried, Tsagkogeorgas Georgios, Wimmer Daniela, Amorim Antonio, Bianchi Federico, Breitenlechner Martin, et. al.. 2011. Nature

Sources and atmospheric processing of organic aerosol in the Mediterranean: insights from aerosol mass spectrometer factor analysis

Hildebrandt L, Kostenidou E, Lanz V A, Prevot A S H, Baltensperger U, Mihalopoulos N, Laaksonen Ari, Donahue N M, Pandis S N. 2011. Atmospheric chemistry and physics

Spatial distributions and seasonal cycles of aerosols in India and China seen in global climate-aerosol model

Henriksson SV, Laaksonen Ari, Kerminen V-M, Räisänen P, Järvinen H, Sundström A-M & de Leeuw G. 2011. Atmospheric chemistry and physics

The role of relative humidity in continental new particle formation

Hamed Amar, Korhonen Hannele, Sihto Sanna-Liisa, Joutsensaari Jorma, Järvinen Heikki, Petäjä Tuukka, Arnold Frank, Nieminen Tuomo, Kulmala Markku, Smith James, Lehtinen Kari EJ & Laaksonen Ari. 2011. Journal of geophysical research

An amorphous solid state of biogenic secondary organic aerosol particles

Virtanen A, Joutsensaari J, Koop T, Kannosto J, Yli-Pirilä P, Leskinen J, Mäkelä JM, Holopainen JK, Pöschl U, Kulmala M, Worsnop DR & Laaksonen A. 2010. Nature

Comment on "Using multiple observationally-based constraints to estimate climate sensitivity" by J. D. Annan and J. C. Hargreaves, Geophys. Res. Lett., 2006

Henriksson SV, Arjas E, Laine M, Tamminen J & Laaksonen A. 2010. Climate of the past

EUCAARI ion spectrometer measurements at 12 European sites ¿ analysis of new particle formation events

Manninen HE, Nieminen T, Asmi E, Gagné S, Häkkinen S, Lehtipalo K, Aalto P, Vana M, Mirme A, Mirme S, Hõrrak U, Plass-Dülmer C, Stange G, Kiss G, Hoffer A, Törő N, Moerman M, Henzing B, de Leeuw G, Brinkenberg M, Kouvarakis GN, Bougiatioti A, Mihalopoulos N, O'Dowd C, Ceburnis D, Arneth A, Svenningsson B, Swietlicki E, Tarozzi L, Decesari S, Facchini MC, Birmili W, Sonntag A, Wiedensohler A, Boulon J, Sellegri K, Laj P, Gysel M, Bukowiecki N, Weingartner E, Wehrle G, Laaksonen A, Hamed A, J. 2010. Atmospheric chemistry and physics

Explaining global surface aerosol number concentrations in terms of primary emissions and particle formation

Spracklen DV, Carslaw KS, Merikanto J, Mann GW, Reddington CL, Pickering S, Ogren JA, Andrews E, Baltensperger U, Weingartner E, Boy M, Kulmala M, Laakso L, Lihavainen H, Kivekäs N, Komppula M, Mihalopoulos N, Kouvarakis G, Jennings SG, O'Dowd C, Birmili W, Wiedensohler A, Weller R, Gras J, Laj P, Sellegri K, Bonn B, Krejci R, Laaksonen A, Hamed A, Minikin A, Harrison RM, Talbot R & Sun J. 2010. Atmospheric chemistry and physics

Physicochemical properties and origin of organic groups detected in boreal forest using an aerosol mass spectrometer

Raatikainen T, Vaattovaara P, Tiitta P, Miettinen P, Rautiainen J, Ehn M, Kulmala M, Laaksonen A & Worsnop DR. 2010. Atmospheric chemistry and physics

Results from the CERN pilot CLOUD experiment

Duplissy J, Enghoff MB, Aplin KL, Arnold F, Aufmhoff H, Avngaard M, Baltensperger U, Bondo T, Bingham R, Carslaw K, Curtius J, David A, Fastrup B, Gagné S, Hahn F, Harrison RG, Kellett B, Kirkby J, Kulmala M, Laakso L, Laaksonen A, Lillestol E, Lockwood M, Mäkelä J, Makhmutov V, Marsh ND, Nieminen T, Onnela A, Pedersen E, Pedersen JOP, Polny J, Reichl U, Seinfeld JH, Sipilä M, Stozhkov Y, Stratmann F, Svensmark H, Svensmark J, Veenhof R, Verheggen B, Viisanen Y, Wagner PE, Wehrle G, Weingartner . 2010. Atmospheric chemistry and physics

Roadside aerosol study using hygroscopic, organic and volatility TDMAs: Characterization and mixing state

Tiitta P, Miettinen P, Vaattovaara P, Joutsensaari J, Petäjä T, Virtanen A, Raatikainen T, Aalto P, Portin H, Romakkaniemi S, Kokkola H, Lehtinen KEJ, Kulmala M & Laaksonen A. 2010. Atmospheric environment

Surfactants in cloud droplet activation: mixed organic-inorganic particles

Prisle NL, Raatikainen T, Laaksonen A & Bilde M. 2010. Atmospheric chemistry and physics

A comparison of new particle formation events in the boundary layer at three different sites in Europe

Jaatinen A, Hamed A, Joutsensaari J, Mikkonen S, Birmili W, Wehner B, Spindler G, Wiedensohler A, Decesari S, Mircea M, Facchini MC, Junninen H, Kulmala M, Lehtinen KEJ, Laaksonen A. 2009. Boreal environment research

Aerosol composition and properties of the organic fraction in Hyytiälä, Finland

Raatikainen T, Vaattovaara P, Tiitta P, Miettinen P, Rautiainen J, Ehn M, Kulmala M, Laaksonen A, Worsnop DR. 2009. ICPF ASCR, v.v.i. and CAS

Aerosol-cloud interactions at Puijo semi-urban measurement station

Portin HJ, Komppula M, Leskinen A, Romakkaniemi S, Laaksonen A, Lehtinen K E J. 2009. Report series in aerosol science

Case studies on satellite based and in situ measured cloud microphysical properties

Sorjamaa R, Romakkaniemi S, Laaksonen A. 2009. Report series in aerosol science

Densities of critical clusters from nucleation experiments

Malila J, Laaksonen A, Napari I. 2009. ICPF ASCR, v.v.i. and CAS

Densities of critical nuclei from measurements of the pressure dependence of nucleation rate

Malila J, Napari I, Laaksonen A. 2009. Report series in aerosol science

Effect of droplet number concentration on the radiative fog

Romakkaniemi S, Laaksonen A, Stevens B. 2009. Report series in aerosol science

Evolution of organic aerosols in the atmosphere

Canagaratna MR, Donahue NM, Prevot ASH, Zhang Q, Kroll JH, Decarlo PF, Allan JD, Coe H, Ng NL, Aiken AC, Docherty KS, Ulbrich IM, Grieshop AP, Robinson AL, Tian J, Laaksonen A, Raatikainen T, Rautiainen J, Vaattovaara P, Ehn M, Kulmala M. 2009. Science

Increased coagulation scavenging does not explain suppression of nucleation events at high relative humidities?

Hamed A, Korhonen H, Sihto S-L, Joutsensaari J, Järvinen H, Lehtinen K, Kulmala M, Laaksonen A. 2009. ICPF ASCR, v.v.i. and CAS

Large eddy simulations of radiative fog

Romakkaniemi S, Laaksonen A, Stevens B. 2009. ICPF ASCR, v.v.i. and CAS

New particle formation from the oxidation of direct emissions of pine seedlings

Hao LQ, Yli-Pirilä P, Tiitta P, Romakkaniemi S, Vaattovaara P, Kajos MK, Rinne J, Heijari J, Kortelainen A, Miettinen P, Kroll JH, Holopainen JK, Smith JN, Joutsensaari J, Kulmala M, Worsnop DR, Laaksonen A. 2009. Atmospheric chemistry and physics

Nucleation events in a polluted continental boundary layers as a source of CCN

Hamed A, Joutsensaari J, Mikkonen S, Wehner B, Birmili W, Tuch T, Spindler G, Wiedensohler A, Decesari S, Mircea M, Fuzzi S, Facchini MC, Laaksonen A. 2009. Report series in aerosol science

Observations of aerosol-cloud interactions at Puijo semi-urban measurement station

Portin HJ, Komppula M, Leskinen A, Romakkaniemi S, Laaksonen A, Lehtinen KEJ. 2009. ICPF ASCR, v.v.i. and CAS

Observations of aerosol-cloud interactions at the Puijo semi-urban measurement station

Portin HJ, Komppula M, Leskinen AP, Romakkaniemi S, Laaksonen A, Lehtinen KEJ. 2009. Boreal environment research

Overview of the research activities and results at Puijo semi-urban measurement station

Leskinen A, Portin H, Komppula M, Miettinen P, Arola A, Lihavainen H, Hatakka J, Laaksonen A, Lehtinen KEJ. 2009. Boreal environment research

Physical and chemical characteristics of aerosol particles and cloud-droplet activation during the Second Pallas Cloud Experiment (Second PaCE)

Kivekäs N, Kerminen V-M, Raatikainen T, Vaattovaara P, Laaksonen A, Lihavainen H. 2009. Boreal environment research

Recent research activities at the Puijo semi-urban measurement station

Leskinen A, Portin H, Komppula M, Miettinen P, Lihavainen H, Hatakka J, Laaksonen A, Lehtinen KEJ. 2009. ICPF ASCR, v.v.i. and CAS

Recent research activities at the Puijo semi-urban measurement station

Leskinen A, Portin H, Komppula M, Miettinen P, Lihavainen H, Hatakka J, Laaksonen A, Lehtinen KEJ. 2009. Report series in aerosol science

Roadside aerosol study using hygroscopic, organic and volatility TDMAs

Tiitta P, Petäjä T, Miettinen P, Vaattovaara P, Joutsensaari J, Virtanen A, Aalto P, Portin H, Lehtinen KEJ, Kulmala M, Laaksonen A. 2009. ICPF ASCR, v.v.i. and CAS

Roadside ufp study using hygroscopic, organic and volatility tdmas

Tiitta P, Miettinen P, Vaattovaara P, Joutsensaari J, Petäjä T, Virtanen A, Aalto P, Portin H, Lehtinen KEJ, Kulmala M, Laaksonen A. 2009. Report series in aerosol science

SOA formation by ozonolysis of biogenic VOCs emitted from biotic stressed boreal trees

Joutsensaari J, Yli-Pirilä P, Blande JD, Heijari J, Holopainen JK, Worsnop DR, Laaksonen A. 2009. ICPF ASCR, v.v.i. and CAS

Secondary organic contribution to particles formed on the ice melted Arctic ocean

Vaattovaara P, Ristovski ZD, Graus M, Müller M, Sjögren S, Orsini D, Leck C, Laaksonen A. 2009. ICPF ASCR, v.v.i. and CAS

Sensitivity of aerosol concentrations and cloud properties to nucleation and secondary organic distripution in ECHAM5-HAM global circulation model

Makkonen R, Asmi A, Korhonen H, Kokkola H, Järvenoja S, Räisänen P, Lehtinen KEJ, Laaksonen A, Kerminen V-M, Järvinen H, Lohmann U, Bennartz R, Feichter J, Kulmala M. 2009. Atmospheric chemistry and physics

Size resolved aerosol particle flux measurements: sampling methods and quality monitoring

Miettinen P, Laaksonen A. 2009. Report series in aerosol science

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

Anttila T, Vaattovaara P, Komppula M, Hyvärinen A-P, Lihavainen H, Kerminen V-M, Laaksonen A. 2009. Atmospheric chemistry and physics

Statistical analysis of factors affecting to the number concentration of atmospheric aerosols in two polluted areas

Mikkonen S, Lehtinen KEJ, Romakkaniemi S, Joutsensaari J, Hamed A, Laaksonen A. 2009. Report series in aerosol science

The applicability of three different nucleation event day prediction methods at three measurement sites in Europe

Jaatinen A, Hamed A, Joutsensaari J, Mikkonen S, Birmili W, Wehner B, Spindler G, Wiedensohler A, Decesari S, Mircea M, Facchini MC, Junninen H, Kulmala M, Lehtinen KEJ, Laaksonen A. 2009. Report series in aerosol science

The evolution of nucleation- and Aitken-mode particle compositions in a boreal forest environment during clean and pollution-affected new-particle formation events

Vaattovaara P, Petäjä T, Joutsensaari J, Miettinen P, Zaprudin B, Kortelainen A, Heijari J, Yli-Pirilä P, Aalto P, Worsnop DR, Laaksonen A. 2009. Boreal environment research

Ultrafine particle observation on the open water arctic ocean close to ice edge: secondary organic contribution

Vaattovaara P, Ristovski ZD, Graus M, Müller M, Asmi E, Di Liberto L, Sjögren S, Orsini D, Leck C, Laaksonen A. 2009. Report series in aerosol science

V-TDMA data from chamber experiments

Kortelainen A, Miettinen P, Romakkaniemi S, Laaksonen A. 2009. Report series in aerosol science

A comparison of new particle formation events in Eastern Germany and in Northern Italy on a three-year analysis

Hamed A, Mikkonen S, Joutsensaari J, Lehtinen KEJ, Jaatinen A, Wehner B, Birmili W, Wiedensohler A, Cavalli F, Decesari S, Mircea M, Fuzzi S, Facchini MC, Laaksonen A. 2008. Report series in aerosol science

Activities at the Puijo semi-urban aerosol-cloud interaction measurement station

Leskinen A, Portin H, Komppula M, Miettinen P, Pietikäinen N, Hirvonen J, Hyvärinen A-P, Kortelainen A, Raatikainen T, Sorjamaa R, Tiitta P, Vaattovaara P, Laaksonen A, Lehtinen KEJ, Lihavainen H, Viisanen Y. 2008. Report series in aerosol science

Aerosol composition measurements using Q-ams in Hyytiälä, Finland

Raatikainen T, Rautiainen J, Tiitta P, Miettinen P, Vaattovaara P, Ehn M, Kulmala M, Laaksonen A, Worsnop D. 2008. Report series in aerosol science

Cloud forming potential of secondary organic aerosol under near atmospheric conditions

Duplissy J, Gysel M, Alfarra MR, Dommen J, Metzger A, Prevot ASH, Weingartner E, Laaksonen A, Raatikainen T, Good N, Turner SF, McFiggans G, Baltensperger U. 2008. Geophysical research letters

Determination of the characteristics of ultrafine particles and air ions from road-side measurements

Tiitta P, Miettinen P, Vaattovaara P, Joutsensaari J, Laaksonen A, Aalto P, Kulmala M. 2008. Report series in aerosol science

Displacement barrier heights from experimental nucleation rate data

Malila J, Hyvärinen A-P, Viisanen Y, Laaksonen A. 2008. Atmospheric research

Extension of Köhler theory for polydisperse aerosol population in the presence of semivolatile gases: applications for droplet growth from radiative fog to stratospheric supercooled ternary solution clouds

Romakkaniemi S, Kokkola H, Laaksonen A. 2008. Report series in aerosol science

Finding factors affecting to the number concentration of atmospheric aerosol with advanced statistical methods

Mikkonen S, Lehtinen KEJ, Hamed A, Joutsensaari J, Laaksonen A. 2008.

Formation of secondary organic aerosols by ozonolysis of plant-released volatiles

Joutsensaari J, Yli-pirilä P, Heijari J, Pinto DM, Loivamäki M, Vuorinen T, Miettinen P, Tiiva P, Nerg A-M, Raatikainen T, Rautiainen J, Kroll J, Kajos M, Ehn M, Worsnop DR, Holopainen JK, Laaksonen A. 2008. Report series in aerosol science

Microphysics of ice particle and cloud droplet formation: effect of semivolatile gases

Romakkaniemi S, Kokkola H, Pietikäinen J-P, Hienola J, Kulmala M, Lehtinen KEJ, Laaksonen A. 2008. Report series in aerosol science

New particle formation events in Northern Italy based on a three-year analysis

Mikkonen S, Hamed A, Lehtinen KEJ, Joutsensaari J, Jaatinen A, Sogacheva L, Facchini MC, Laaksonen A. 2008. Report series in aerosol science

Nucleation

Laaksonen A, Lehtinen KEJ. 2008. Blackwell Publishing

Nucleation events in Italy, Germany and Finland: a comparative study

Hamed A, Jaatinen A, Joutsensaari J, Birmili W, Wehner B, Wiedensohler A, Facchini MC, Decesari S, Mircea M, Junninen H, Kulmala M, Lehtinen KEJ, Laaksonen A. 2008.

Overview of organic TDMA studies during period 2002-2007

Vaattovaara P, Joutsensaari J, Laaksonen A. 2008. Report series in aerosol science

Overview of the biosphere-aerosol-cloud-climate interactions (BACCI) studies

Kulmala M, Kerminen V-M, Laaksonen A, Riipinen I, Sipilä M, Ruuskanen TM, Sogacheva L, Hari P, Bäck J, Lehtinen KEJ, Viisanen Y, Bilde M, Svenningsson B, Lazaridis M, Torseth K, Tunved P, Nilsson ED, Pryor S, Sorensen L-L, Horrak U, Winkler PM, Swietlicki E, Riekkola M-L, Krejci R, Hoyle C, Hov O, Myhre G, Hansson H-C. 2008. Tellus series b: chemical and physical meteorology

Properties of supercooled water clusters from nucleation rate data with the effect of non-ideal vapour phase

Malila J, Laaksonen A. 2008. ICPWS, IAPWS

SALSA - a sectional aerosol module for large scale applications

Kokkola H, Korhonen H, Lehtinen KEJ, Makkonen R, Asmi A, Järvenoja S, Anttila T, Partanen A-I, Kulmala M, Järvinen H, Laaksonen A, Kerminen V-M. 2008. Atmospheric chemistry and physics

SO2 oxidation products other than H2SO4 as a trigger of new particle formation. Part 1: Laboratory investigations

Berndt T, Stratmann F, Bräsel S, Heintzenberg J, Laaksonen A, Kulmala M. 2008. Atmospheric chemistry and physics

SO2 oxidation products other than H2SO4 as a trigger of new particle formation. Part 2: Comparison of ambient and laboratory measurements, and atmospheric implications

Laaksonen A, Kulmala M, Berndt T, Stratmann F, Mikkonen S, Ruuskanen A, Lehtinen KEJ, Dal Maso M, Aalto P, Petäjä T, Riipinen I, Sihto S-L, Janson R, Arnold F, Hanke M, Ücker J, Umann B, Sellegri K, O¿Dowd CD, Viisanen Y. 2008. Atmospheric chemistry and physics

Sensitivity of aerosol concentrations and cloud properties to nucleation and secondary organic distribution in ECHAM5-HAM global circulation model

Makkonen R, Asmi A, Korhonen H, Kokkola H, Järvenoja S, Räisänen P, Lehtinen KEJ, Laaksonen A, Kerminen V-M, Järvinen H, Lohmann U, Feichter J, Kulmala M. 2008. ATMOSPHERIC CHEMISTRY AND PHYSICS DISCUSSIONS

Surface tensions of multicomponent aqueous electrolyte solutions: predictive models based on binary limits

Raatikainen T, Laaksonen A, Hyvärinen A-P, Vanhanen J, Hautio K, Lihavainen H, Viisanen Y, Napari I. 2008. Journal of physical chemistry c

Surfactant partitioning in cloud droplet activation: a study of C8,C10,C12 and C14 normal fatty acid sodium salts

Prisle NL, Raatikainen T, Sorjamaa R, Svenningsson B, Laaksonen A, Bilde M. 2008. Tellus series b: chemical and physical meteorology

Technical note: analytical formulae for the critical supersaturations and droplet diameters of CCN containing insoluble material

Kokkola H, Vesterinen M, Anttila T, Laaksonen A, Lehtinen KEJ. 2008. Atmospheric chemistry and physics

The effect of surface active compounds on cloud droplet activation

Raatikainen T, Sorjamaa R, Kokkola H, Prisle NL, Svenningsson B, Bilde M, Laaksonen A. 2008. Report series in aerosol science

The role of VOC oxidation products in continental new particle formation

Laaksonen A, Kulmala M, O`Dowd CD, Joutsensaari J, Vaattovaara P, Mikkonen S, Lehtinen KEJ, Sogacheva L, Dal Maso M, Aalto P, Petäjä T, Sogachev A, Yoon YJ, Lihavainen H, Nilsson D, Facchini MC. 2008. Atmospheric chemistry and physics

A comparison of new particle formation at different sites in the European boundary layer

Hamed A, Jaatinen A, Wehner B, Birmili W, Wiedensohler A, Cavalli F, Decesari S, Mircea M, Fuzzi S, Facchini MC, Dal Maso M, Junninen H, Riipinen I, Kulmala M, Joutsensaari J, Lehtinen KEJ, Laaksonen A. 2007. Nordic Society for Aerosol Research

Analysing the number concentration of 50 nm particles with multivariate mixed effects model

Mikkonen S, Lehtinen KEJ, Hamed A, Joutsensaari J, Laaksonen A. 2007. Springer

Connections between atmospheric sulphuric acid and new particle formation during QUEST lll-IV campaigns in Heidelberg and Hyytiälä

Riipinen I, Sihto S-L, Kulmala M, Arnold F, Dal Maso M, Birmili W, Saarnio K, Teinilä K, Kerminen V-M, Laaksonen A, Lehtinen KEJ. 2007. Atmospheric chemistry and physics

Effect of particle phase oligomer formation on aerosol growth

Vesterinen M, Lehtinen KEJ, Kulmala M, Laaksonen A. 2007. Atmospheric environment

Effects of atmospheric ozone on biogenic volatile organic compounds: an atmospheric and ecological perspective

Pinto DM, Joutsensaari J, Tiiva P, Miettinen P, Blande J, Dong W-X, Nerg AM, Laaksonen A, Holopainen JK. 2007. Finnish Society for Environmental Sciences

Hygroscopic properties of ultrafine aerosol particles in the boreal forest: diurnal variation, solubility and the influence of sulfuric acid

Ehn M, Petäjä T, Aufmhoff H, Aalto P, Hämeri K, Arnold F, Laaksonen A, Kulmala M. 2007. Atmospheric chemistry and physics

Multivariate mixed effects regression model in the analysis of number concentration of 50NM particles

Mikkonen S, Lehtinen KEJ, Hamed A, Joutsensaari J, Laaksonen A. 2007. Nordic Society for Aerosol Research

Nucleation and growth of new particles in Po Valley, Italy

Hamed A, Joutsensaari J, Mikkonen S, Sogacheva L, Dal Maso M, Kulmala M, Cavalli F, Fuzzi S, Facchini MC, Decesari S, Mircea M, Lehtinen KEJ, Laaksonen A. 2007. Atmospheric chemistry and physics

Nucleation events in Melpitz, Germany, and Po Valley, Italy: similarities and differences

Hamed A, Lehtinen KEJ, Joutsensaari J, Wehner B, Birmili W, Wiedensohler A, Cavalli F, Decesari S, Mircea M, Fuzzi S, Facchini MC, Laaksonen A. 2007. Springer

On aerosol-cloud studies at the Puijo semiurban measurement station

Leskinen A, Raatikainen T, Hirvonen J, Hyvärinen A-P, Kortelainen A, Miettinen P, Pietikäinen N, Portin H, Rautiainen J, Sorjamaa R, Tiitta P, Vaattovaara P, Laaksonen A, Lehtinen KEJ, Lihavainen H, Viisanen Y. 2007. Springer

Organic fraction in recently formed nucleation event particles in mace head coastal atmosphere during map 2006 summer campaign

Vaattovaara P, Kortelainen A, Laaksonen A. 2007. Springer Netherlands

Relation of air mass history to nucleation events in Po Valley, Italy, using back trajectories analysis

Sogacheva L, Hamed A, Facchini MC, Kulmala M, Laaksonen A. 2007. Atmospheric chemistry and physics

Road-side measurements of aerosol and ion number size distributions:a comparison with remote site measurements

Tiitta P, Miettinen P, Vaattovaara P, Laaksonen A, Joutsensaari J, Hirsikko A, Aalto P, Kulmala M. 2007. Boreal environment research

Road-side measurements of air ions

Tiitta P, Miettinen P, Vaattovaara P, Laaksonen A, Joutsensaari J, Hirsikko A, Aalto P, Kulmala M. 2007. Nordic Society for Aerosol Research

Secondary organic aerosol formation by ozonolysis of volatiles emitted from trees

Joutsensaari J, Yli-Pirilä P, Heijari J, Holopainen JK, Miettinen P, Raatikainen T, Rautiainen J, Worsnop DR, Laaksonen A. 2007. Nordic Society for Aerosol Research

Significant secondary organic effect of marine biota origin on coastal and open ocean aerosols

Vaattovaara P, Huttunen PE, Yoon YJ, Joutsensaari J, Lehtinen KEJ, O'Dowd CD, Laaksonen A. 2007.

Students' initial knowledge of electric and magnetic fields - more profound explanations and reasoning models for undesired conceptions

Saarelainen M, Laaksonen A, Hirvonen PE. 2007. European journal of physics

Surface tension and scaling of critical nuclei in diatomic and triatomic fluids

Napari I, Laaksonen A. 2007. Journal of chemical physics

The effect of H2O adsorption on cloud drop activation of insoluble particles: a theoretical framework

Sorjamaa R, Laaksonen A. 2007. Atmospheric chemistry and physics

The effects of increasing atmospheric ozone on biogenic monoterpene profiles and the formation of secondary aerosols

Pinto DM, Tiiva P, Miettinen P, Joutsensaari J, Kokkola H, Nerg A-M, Laaksonen A, Holopainen JK. 2007. Atmospheric environment

The role of VOC oxidation products in continental new particle formation

Laaksonen A, Kulmala M, O'Dowd CD, Joutsensaari J, Vaattovaara P, Mikkonen S, Lehtinen KEJ, Sogacheva L, Dal Maso M, Aalto P, Petäjä T, Sogachev A, Yoon YJ, Lihavainen H, Nilsson D, Facchini MC, Cavalli F, Fuzzi S, Hoffmann T, Arnold F, Hanke M, Sellegri K, Umann B, Junkermann W, Coe H, Allan JD, Rami Alfarra M, Worsnop DR, Riekkola M-L, Hyötyläinen T, Viisanen Y. 2007. ATMOSPHERIC CHEMISTRY AND PHYSICS DISCUSSIONS

Weekly precipitation cycles? Lack of evidence from United States surface stations

Schultz DM, Mikkonen S, Laaksonen A, Richman MB. 2007. Geophysical research letters

A new method for studying vapor adsorption on nanoparticles

Hiltunen LJ, Vaattovaara P, Joutsensaari J, Laaksonen A. 2006. Report series in aerosol science

A novel method for measuring vapor adsorption on nanoparticles

Hiltunen LJ, Vaattovaara P, Joutsensaari J, Laaksonen A. 2006. Report series in aerosol science

An apparatus for studying vapor adsorption on nanoparticles

Hiltunen LJ, Vaattovaara P, Joutsensaari J, Laaksonen A. 2006. AAAR

Atmospheric sulphuric acid and aerosol formation: implications from atmospheric measurements for nucleation and early growth mechanisms

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, Lehtinen KEJ. 2006. Atmospheric chemistry and physics

Characterization of new particle formation events in highly polluted area

Hamed A, Joutsensaari J, Cavalli F, Facchini MC, Fuzzi S, Laaksonen A. 2006. AAAR

Cloud formation of particles containing humic-like substances

Kokkola H, Sorjamaa R, Peräniemi A, Raatikainen T, Laaksonen A. 2006. Geophysical research letters

Cluster activation theory as an explanation of the linear dependence between formation rate of 3 nm particles and sulphuric acid concentration

Kulmala M, Lehtinen KEJ, Laaksonen A. 2006. Atmospheric chemistry and physics

Composition of ambient aerosols during one nucleation and growth event in Hyytiälä, Finland

Raatikainen T, Vaattovaara P, Rautiainen J, Tiitta P, Laaksonen A. 2006. Report series in aerosol science

Connections between atmospheric sulphuric acid and new particle formation during QUEST lll-iV campaigns in Heidelberg and Hyytiälä

Riipinen I, Sihto S-L, Kulmala M, Arnold F, Dal Maso, Birmili W, Saario K, Teinilä K, Kerminen V-M, Laaksonen A, Lehtinen K.E.J. 2006. ATMOSPHERIC CHEMISTRY AND PHYSICS DISCUSSIONS

Correlation of nucleation events with environmental variables in highly polutted area, Po Valley, Italy

Hamed A, Joutsensaari J, Mikkonen S, Facchini CM, Laaksonen A. 2006. Report series in aerosol science

Determination of the characteristics of ultrafine particles from road-side measurements

Tiitta P, Miettinen P, Vaattovaara P, Joutsensaari J, Laaksonen A, Aalto P, Kulmala M. 2006. Report series in aerosol science

Determination of the chemical characteristics of particles from road-side measurements

Tiitta P, Miettinen P, Vaattovaara P, Joutsensaari J, Laaksonen A, Aalto P, Kulmala M. 2006. AAAR

Evidence for marine secondary organic contribution to newly-formed nanometer-sized particles formation

Vaattovaara P, Huttunen PE, Yoon YJ, Joutsensaari J, Lehtinen KEJ, O'Dowd CD, Laaksonen A. 2006. Report series in aerosol science

Formation of secondary organic aerosols by ozonolysis of plant-released volatiles

Joutsensaari J, Loivamäki M, Vuorinen T, Miettinen P, Pinto DM, Tiiva P, Nerg A-M, Holopainen JK, Laaksonen A. 2006. Chemosphere

Hydroscopic properties of ultrafine aerosol particles in the boreal forest: diurnal variation, solubility and the influence of sulfuric acid

Ehn M, Petäjä T, Aufmhoff H, Hämeri K, Arnold F, Laaksonen A, Kulmala M. 2006. ATMOSPHERIC CHEMISTRY AND PHYSICS DISCUSSIONS

Marine secondary organic contribution to coastal nucleation events

Vaattovaara P, Huttunen PE, Yoon YJ, Joutsensaari J, Lehtinen KEJ, O¿Dowd CD, Laaksonen A. 2006.

Marine secondary organic contribution to ultrafine particles

Vaattovaara P, Huttunen PE, Yoon YJ, Joutsensaari J, Lehtinen KEJ, O'Dowd CD, Laaksonen A. 2006. Report series in aerosol science

Modelling the size distribution of 3-50 Nm particles with generalized models

Mikkonen S, Lehtinen KEJ, Hamed A, Joutsensaari J, Laaksonen A. 2006. Report series in aerosol science

Nucleation and growth of new particles in Po Valley, Italy

Hamed A, Joutsensaari J, Mikkonen S, Sogacheva L, Dal Maso M, Kulmala M, Cavalli F, Fuzzi S, Facchini MC, Decesari S, Mircea M, Lehtinen KEJ, Laaksonen A. 2006. ATMOSPHERIC CHEMISTRY AND PHYSICS DISCUSSIONS

On the hygroscopic growth of ammoniated sulfate particles of non-stoichiometric composition

Kokkola H, Joutsensaari J, Hyppönen N, Lehtinen KEJ, Laaksonen A. 2006. ATMOSPHERIC CHEMISTRY AND PHYSICS DISCUSSIONS

Overview of the second Pallas cloud experiment (second pace)

Komppula M, Lihavainen H, Kerminen V-M, Hyvärinen A-P, Aaltonen V, Engler C, Kivekäs N, Leskinen A, Rautiainen J, Miettinen P, Vaattovaara P, Tiitta P, Sorjamaa R, Hillamo R., Viisanen Y, Laaksonen A. 2006. Report series in aerosol science

Particle formation by ozonolysis of inducible plant volatiles

Miettinen P, Holopainen J, Joutsensaari J, Laaksonen A. 2006. Report series in aerosol science

Physical and chemical properties of aerosol particles and cloud droplets during the second Pallas Cloud experiment (Second PaCE)

Komppula M, Lihavainen H, Hyvärinen AP, Kerminen VM, Aaltonen V, Engler C, Kivekäs N, Leskinen A, Vaattovaara P, Rautiainen J, Miettinen P, Tiitta P, Sorjamaa R, Hillamo R, Makkonen U, Viisanen Y, Laaksonen A. 2006.

Relation of air mass history to nucleation events in Po Valley, Italy, using back trajectories analysis

Sogacheva L, Hamed A, Facchini MC, Kulmala M, Laaksonen A. 2006. ATMOSPHERIC CHEMISTRY AND PHYSICS DISCUSSIONS

Road-side measurements of air ions

Tiitta P, Miettinen P, Vaattovaara P, Laaksonen A, Joutsensaari J, Hirsikko A, Aalto P, Kulmala M. 2006. Report series in aerosol science

Size and composition measurements of background aerosol and new particle growth in a Finnish forest during QUEST 2 using an Aerodyne Aerosol Mass Spectrometer

Allan JD, Alfarra MR, Bower KN, Coe H, Jayne JT, Worsnop DR, Aalto PP, Kulmala M, Hyötyläinen T, Cavalli F, Laaksonen A. 2006. Atmospheric chemistry and physics

The composition of nucleation and Aitken modes particles during coastal nucleation events: evidence for marine secondary organic contribution

Vaattovaara P, Huttunen PE, Yoon YJ, Joutsensaari J, Lehtinen KEJ, O'Dowd CD, Laaksonen A. 2006. Atmospheric chemistry and physics

The effect of physical and chemical aerosol properties on warm cloud droplet activation

McFiggans G, Artaxo P, Baltensperger U, Coe H, Facchini MC, Feingold G, Fuzzi S, Gysel M, Laaksonen A, Lohmann U, Mentel TF, Murphy DM, O¿Dowd CD, Snider JR, Weingartner E. 2006. Atmospheric chemistry and physics

The effect of surfactant partitioning on critical supersaturation of cloud drops: a generalized approach

Sorjamaa R, Laaksonen A. 2006. American Association for Aerosol Research (AAAR)

The influence of nitric acid on the cloud processing of aerosol particles

Romakkaniemi S, Kokkola H, Lehtinen KEJ, Laaksonen A. 2006. Atmospheric chemistry and physics

The influence of surface active compounds on critical supersaturation of cloud drops

Sorjamaa R, Laaksonen A. 2006. Report series in aerosol science

The influence of surfactant properties on critical supersaturations of cloud condensation nuclei

Sorjamaa R, Laaksonen A. 2006. Journal of aerosol science

Using discriminant analysis as a nucleation event classification method

Mikkonen S, Lehtinen KEJ, Hamed A, Joutsensaari J, Facchini MC, Laaksonen A. 2006. Atmospheric chemistry and physics

A method for detecting the presence of organic fraction in nucleation mode sized particles

Vaattovaara P, Räsänen M, Kühn T, Joutsensaari J, Laaksonen A. 2005. Atmospheric chemistry and physics

Application of several activity coefficient models to water-organic electrolyte aerosols of atmospheric interest

Raatikainen T, Laaksonen A. 2005. Atmospheric chemistry and physics

Application of several activity coefficient models to water-organic electrolyte aerosols of atmospheric interest

Raatikainen T, Laaksonen A. 2005. ATMOSPHERIC CHEMISTRY AND PHYSICS DISCUSSIONS

Cloud condensation nucleus production from nucleation events at a highly polluted region

Laaksonen A, Hamed A, Joutsensaari J, Hiltunen L, Cavalli F, Junkermann W, Asmi A, Fuzzi S, Facchini MC. 2005. Geophysical research letters

Commentary on cloud modelling and the mass accommodation coefficient of water

Laaksonen A, Vesala T, Kulmala M, Winkler PM, Wagner PE. 2005. Atmospheric chemistry and physics

Effects of SO2 oxidation on ambient aerosol growth in water and ethanol vapours

Petäjä T, Kerminen VM, Hämeri K, Vaattovaara P, Joutsensaari J, Junkermann W, Laaksonen A, Kulmala M. 2005. Atmospheric chemistry and physics

Evaluation of surface composition of surface active water-alcohol type mixtures: a comparison of semiempirical models

Salonen M, Malila J, Napari I, Laaksonen A. 2005. Journal of physical chemistry b

Monitoring of particles in a real-world driving conditions

Tiitta M, Miettinen P, Vaattovaara P, Joutsensaari J, Laaksonen A, Aalto P, Kulmala M. 2005. Nordic Center of Excellence, BACCI. Aerosol Research Group

Nanoparticle formation by ozonolysis of inducible plant volatiles

Joutsensaari J, Loivamäki M, Vuorinen T, Miettinen P, Nerg A-M, Holopainen JK, Laaksonen A. 2005. Atmospheric chemistry and physics

Parameterization of the nitric acid effect on CCN activation

Romakkaniemi S, Kokkola H, Laaksonen A. 2005. Atmospheric chemistry and physics

Research unit of physics, chemistry and biology of atmospheric composition and climate change: overview of recent results

Kulmala M, Hari P, Laaksonen A, Vesala T, Viisanen Y. 2005. Boreal environment research

Role of sulphuric acid in particle formation events in Finland

Sihto S.-L., Kulmala M., Kerminen V-M., Laaksonen A., Lehtinen K.E.J.. 2005.

Soluble trace gas effect on cloud condensation nuclei activation: influence of initial equilibration on cloud model results

Romakkaniemi S, Kokkola H, Laaksonen A. 2005. Journal of geophysical research

Surface tensions and densities of H2SO4 + NH3 + water solutions

Hyvärinen A-P, Raatikainen T, Laaksonen A, Viisanen Y, Lihavainen H. 2005. Geophysical research letters

The effect of physical and chemical aerosol properties on warm cloud droplet activation

Mcfiggans G, Artaxo P, Baltensperger U, Coe H, Faccihini MC, Feingold G, Fuzzi S, Gysel M, Laaksonen A, Lohmann U, Mentel TF, Murphy DM, O¿Dowd CD, Snider JR, Weingartner E. 2005. ATMOSPHERIC CHEMISTRY AND PHYSICS DISCUSSIONS

The influence of nitric acid on the cloud processing of aerosol particles

Romakkaniemi S, Kokkola H, Lehtinen K, Laaksonen A. 2005. ATMOSPHERIC CHEMISTRY AND PHYSICS DISCUSSIONS

Why formation rate of 3 nm particles dependes lineary on sulphuric acid concentration

Kulmala M, Lehtinen KEJ, Laaksonen A. 2005. ATMOSPHERIC CHEMISTRY AND PHYSICS DISCUSSIONS

Binary homogeneous nucleation in water-succinic acid and water-glutaric acid systems

Gaman AI, Kulmala M, Vehkamäki H, Napari I, Mircea M, Facchini MC, Laaksonen A. 2004. Journal of chemical physics

Growth of upper tropospheric aerosols due to uptake of HNO3

Romakkaniemi S, Kokkola H, Petzold A, Laaksonen A. 2004. Atmospheric chemistry and physics

Growth of upper tropospheric aerosols due to uptake of HNO3

Romakkaniemi S, Kokkola H, Petzold A, Laaksonen A. 2004. ATMOSPHERIC CHEMISTRY AND PHYSICS DISCUSSIONS

On the closure conjectures for the Gibbsian approximation model of a binary droplet

Djikaev YS, Napari I, Laaksonen A. 2004. Journal of chemical physics

Organic aerosol formation via sulphate cluster activation

Kulmala M, Kerminen V-M, Anttila T, Laaksonen A, O'Dowd CD. 2004. Journal of geophysical research

Overview of the field measurement campaign in Hyytiälä, August 2001 in the framework of the EU project OSOA

Boy M, Petäjä T, Dal Maso M, Rannik Ü, Rinne J, Aalto P, Laaksonen A, Vaattovaara P, Joutsensaari J, Hoffmann T, Warnke J, Apostolaki M, Stephanou EG, Tsapakis M, Kouvarakis A, Pio C, Carvalho A, Römpp A, Moortgat G, Spirig C, Guenther A, Greenberg J. 2004. Atmospheric chemistry and physics

Surface tensions and densities of sulfuric acid + dimethylamine + water solutions

Hyvärinen A-P, Lihavainen H, Hautio K, Raatikainen T, Viisanen Y, Laaksonen A. 2004. Journal of chemical and engineering data

The role of surfactants in Köhler theory reconsidered

Sorjamaa R, Svenningsson B, Raatikainen T, Henning S, Bilde M, Laaksonen A. 2004. Atmospheric chemistry and physics

Time-resolved growth behavior of acid aerosols in ethanol vapor with a tandem-DMA technique

Joutsensaari J, Toivonen T, Vaattovaara P, Vesterinen M, Vepsäläinen J, Laaksonen A. 2004. Journal of aerosol science

A cloud microphysics model including trace gas condensation and sulfate chemistry

Kokkola H, Romakkaniemi S, Kulmala M, Laaksonen A. 2003. Boreal environment research

Aerosol formation induced by simultaneous condensation of sulfuric acid and organic vapours

Anttila T, Kerminen V-M, Laaksonen A, Kulmala M. 2003.

Comparison of the experimental mobility equivalent diameter for small cluster ions with theoretical particle diameter corrected by effect of vapour polarity

Nadykto AB, Mäkelä JM, Yu F, Kulmala M, Laaksonen A. 2003. Chemical physics letters

Detection of organic acid and ammonium bisulfate particles with an organic tandem differential mobility analyzer

Joutsensaari J, Toivonen T, Vesterinen M, Vaattovaara P, Vepsäläinen J, Laaksonen A. 2003.

Disjoining pressure of thin films on spherical core particles

Napari I, Laaksonen A. 2003. Journal of chemical physics

Estimation of different forest-related contributions to the radiative balance using observations in southern Finland

Kurtén T, Kulmala M, Dal Maso M, Suni T, Reissell A, Vehkamäki H, Hari P, Laaksonen A, Viisanen Y, Vesala T. 2003. Boreal environment research

Evaporation and condensational growth of liquid droplets in nonisothermal gas mixtures

Nadykto AB, Shchukin ER, Kulmala M, Lehtinen KEJ, Laaksonen A. 2003. Aerosol science and technology

Homogeneous and ion induced nucleation: kinetic and thermodynamic nucleation regimes

Kulmala M, Napari I, Merikanto J, Vehkamäki H, Laakso A, Lehtinen KEJ, Noppel M, Laaksonen A. 2003.

Köhler theory for a polydisperse droplet population in the presence of a soluble trace gas, and an application to stratospheric STS droplet growth

Kokkola H, Romakkaniemi S, Laaksonen A. 2003. Atmospheric chemistry and physics

Model simulations of fog formation in polluted air

Kokkola H, Romakkaniemi S, Laaksonen A. 2003.

Model studies on the effect of nitric acid vapour on cirrus cloud activation

Hienola J, Kulmala M, Laaksonen A. 2003. Atmospheric research

Model studies on the influence of initial equilibration of the soluble trace gases on CCN activation

Romakkaniemi S, Kokkola H, Laaksonen A. 2003.

Modelling the formation of organic particles in the atmosphere

Anttila T, Kerminen V-M, Kulmala M, Laaksonen A, O'Dowd C. 2003. ATMOSPHERIC CHEMISTRY AND PHYSICS DISCUSSIONS

Nucleation probability in binary heterogeneous nucleation of water-n-propanol vapor mixtures on insoluble and soluble nanoparticles

Wagner PE, Kaller D, Vrtala A, Lauri A, Kulmala M, Laaksonen A. 2003. PHYSICAL REVIEW. E. (ONLINE)

On the formation of radiation fogs under heavily polluted conditions

Kokkola H, Romakkaniemi S, Laaksonen A. 2003. Atmospheric chemistry and physics

On the formation of secondary organic aerosols: binary and ternary nucleation

Gaman AI, Vehkamäki H, Napari I, Laaksonen A, Kulmala M. 2003.

Otdma study of ultrafine particle composition at mace head

Vaattovaara P, Joutsensaari J, Toivonen T, Laaksonen A. 2003.

Overview of the field measurement campaign in Hyytiälä, August 2001 in the framework of the EU project OSOA

Boy M, Petäjä T, Dal Maso M, Rannik Ü, Rinne J, Aalto P, Laaksonen A, Vaattovaara P, Joutsensaari J, Hoffmann T, Warnke J, Apostolaki M, Stephanou EG, Tsapakis M, Kouvarakis A, Pio C, Carvalho A, Römpp A, Moortgat G, Spirig C, Guenther A, Greenberg J. 2003. ATMOSPHERIC CHEMISTRY AND PHYSICS DISCUSSIONS

Preliminary results from the Quest project (quantification of aerosol nucleation in the European boundary layer)

Laaksonen A, Kulmala M, O'Dowd C, Viisanen Y, Nilsson D, Facchini MC, Hoffmann T, Arnold F, Schell B, Junkermann W. 2003.

Reliable potential for small sulfuric acid-water clusters

Ding C-G, Taskila T, Laasonen K, Laaksonen A. 2003. Chemical physics

Study of finely divided aqueous systems as an aid to understanding the formation mechanism of polar stratospheric clouds: Case of HNO3/H20 and H2SO4/H2O systems

Bogdan A, Molina MJ, Kulmala M, MacKenzie AR, Laaksonen A. 2003. Journal of geophysical research

Study of finely divided aqueous systems as an aid to understanding the surface chemistry of polar stratospheric clouds: Case of HCl/H2O and HNO3/HCl/H2O systems

Bodgan A, Kulmala M, MacKenzie AR, Laaksonen A. 2003. Journal of geophysical research

Surfactant partitioning and the raoult effect in Köhler theory

Sorjamaa R, Laaksonen A. 2003.

Two sulfuric acids in small water clusters

Ding C-G, Laasonen K, Laaksonen A. 2003. Journal of physical chemistry a

An improved parameterization for sulfuric acid-water nucleation rates for tropospheric and stratospheric conditions

Vehkamäki H, Kulmala M, Napari I, Lehtinen KEJ, Timmreck C, Noppel M, Laaksonen A. 2002. Journal of geophysical research

Atmospheric nucleation: activation of thermodynamically stable sulfate clusters by water soluble organic species

Laaksonen A, Kerminen V-M, Anttila T, Kulmala M. 2002. Chinese Association for Aerosol Research in Taiwan

Binary homogenous nucleation of water - succinic acid vapours: model calculations

Gaman A, Kulmala M, Vehkamäki H, Laaksonen A, Mircea M, Facchini MC. 2002. Report series in aerosol science

Can chemical effects on cloud droplet number rival the first indirect effect?

Nenes A, Charlson RJ, Facchini MC, Kulmala M, Laaksonen A, Seinfeld JH. 2002. Geophysical research letters

Detection of organic acid particles with an organic tandem differential mobility analyzer

Joutsensaari J, Vaattovaara P, Toivonen T, Vesterinen M, Vepsäläinen J, Laaksonen A. 2002. Nordic Society for Aerosol Research

Growth of aerosol particles resulting from condensation of oxidation products of monoterpenes

Puustinen A, Laaksonen A, Janson R, Kulmala M. 2002. Chinese Association for Aerosol Research in Taiwan

Heterogeneous nucleation of n-propanol and water: a new approach to determine the microscopic contact angle

Lauri A, Kulmala M, Wagner PE, Kaller D, Vrtala A, Laaksonen A. 2002. Report series in aerosol science

On the binary homogeneous nucleation of water-C4-C5 dicarboxylic acids

Gaman A, Kulmala M, Vehkamäki H, Laaksonen A. 2002. Nordic Society for Aerosol Research

On the effect of nitric acid on equilibrium growth of aerosol population in stratosphere

Romakkaniemi S, Laaksonen A. 2002. Report series in aerosol science

On the mechanisms of smog formation in polluted air

Kokkola H, Laaksonen A. 2002. Report series in aerosol science

Parameterizations for binary and ternary nucleation

Vehkamäki H, Napari I, Lehtinen KEJ, Timmreck C, Noppel M, Laaksonen A, Kulmala M. 2002. Chinese Assosiation for Aerosol Research in Taiwan

Parameterizations for binary water-sulfuric acid and ternary water-sulfuric acid-ammonia nucleation

Vehkamäki H, Napari I, Lehtinen KEJ, Timmreck C, Noppel M, Laaksonen A, Kulmala M. 2002. Report series in aerosol science

Slightly soluble organic material and Köhler curves: effect of particle size dependence of solubility

Sorjamaa R, Laaksonen A. 2002. Report series in aerosol science

Study of toluene oxidation products with and without ammonium sulfate seed aerosol using the organic tandem differential mobility analyzer (OTDMA)

Vaattovaara P, Joutsensaari J, Laaksonen A. 2002. Chinese Association for Aerosol Research in Taiwan

The composition of secondary organic aerosols: TDMA growth factor analysis using UNIFAC

Vaattovaara P, Joutsensaari J, Laaksonen A. 2002. Nordic Society for Aerosol Research

A novel tandem differential mobility analyzer with organic vapor treatment of aerosol particles

Joutsensaari J, Vaattovaara P, Vesterinen M, Hämeri K, Laaksonen A. 2001. Atmospheric chemistry and physics

Adsorption of water on 8-15 nm NaCl and (NH4)2SO4 aerosols measured using an ultrafine tandem differential mobility analyzer

Romakkaniemi S, Hämeri K, Väkevä M, Laaksonen A. 2001. Journal of physical chemistry a

Analytical model of condensational growth of a multicomponent non-spherical particle

Nadykto AB, Shchukin ER, Kulmala M, Laaksonen A. 2001. Journal of Aerosol Science. Supplement

Breakdown of the capillarity approximation in binary nucleation: a density functional study

Laaksonen A, Napari I. 2001. Journal of physical chemistry b

Condensation and evaporation of water vapor in mixed aerosols of liquid droplets and ice: numerical comparison of growth rate expressions

Hienola J, Kulmala M, Laaksonen A. 2001. Journal of aerosol science

Construction of organic tandem differential mobility analyzer

Joutsensaari J, Vaattovaara P, Laaksonen A. 2001. Journal of Aerosol Science. Supplement

Deliquescence and hygroscopic properties of ultrafine particles

Hämeri K, Väkevä M, Suni T, Laaksonen A, Romakkaniemi S, Hansson H-C. 2001. Journal of Aerosol Science. Supplement

Determination of the organic content of atmospheric aerosols using a TDMA

Vaattovaara P, Joutsensaari J, Laaksonen A. 2001. Journal of Aerosol Science. Supplement

Hygroscopic growth of ultrafine sodium chloride particles

Hämeri K, Laaksonen A, Väkevä M, Suni T. 2001. Journal of geophysical research

Model studies of the effect of nitric acid vapour on cirrus formation

Hienola J, Kulmala M, Laaksonen A. 2001. Journal of Aerosol Science. Supplement

Modification of the fuchs condensation theory to predict transitional condensational growth of non-spherical ice particles

Nadykto AB, Shchukin ER, Kulmala M, Laaksonen A. 2001. Journal of Aerosol Science. Supplement

Nucleation theories and atmospheric aerosol formation

Laaksonen A. 2001. Journal of Aerosol Science. Supplement

On the effect of gaseous ammonia on cloud drop formation

Sorjamaa R, Laaksonen A, Kulmala M. 2001. Journal of Aerosol Science. Supplement

Overview of the international project on biogenic aerosol formation in the boreal forest (BIOFOR)

Kulmala M, Hämeri K, Aalto PP, Mäkelä JM, Pirjola L, Douglas Nilsson E, Buzorius G, Rannik Ü, Dal Maso M, Seidl W, Hoffman T, Janson R, Hansson H-C, Viisanen Y, Laaksonen A, O'Dowd CD. 2001. Tellus series b: chemical and physical meteorology

Preliminary results of the OSOA project (origin and formation of secondary organic aerosol)

Hoffmann T, Schell B, Hjorth J, Barnes I, Moortgat G, Reviejo M, Ciccioli P, Stephanou E, Kulmala M, Pio C, Laaksonen A, Hayman G, Guenther A, Müller K. 2001. Journal of Aerosol Science. Supplement

Problems in the classical theory of heterogeneous necleation for different binary vapour mixtures

Lauri A, Kulmala M, Laaksonen A, Wagner PE. 2001. Journal of Aerosol Science. Supplement

Reshaping the theory of cloud formation

Charlson RJ, Seinfeld JH, Nenes A, Kulmala M, Laaksonen A, Facchini MC. 2001. Science

Soluble-insoluble transition in binary heterogeneous nucleation

Petersen D, Ortner R, Vrtala A, Wagner PE, Kulmala M, Laaksonen A. 2001. Physical review letters

Strange predictions by binary heterogeneous nucleation theory compared with a quantitative experiment

Kulmala M, Lauri A, Vehkamäki H, Laaksonen A, Petersen D, Wagner PE. 2001. Journal of physical chemistry b

Surface tensions of water solutions of sulfuric acid and dimethylamine

Viisanen Y, Pihlajamaa K, Lihavainen H, Laaksonen A. 2001. Journal of Aerosol Science. Supplement

The effect of potential truncation on the gas-liquid surface tension of planar interfaces and droplets

Napari I, Laaksonen A. 2001. Journal of chemical physics

The effect of sulfate production on cloud droplet formation

Kokkola H, Laaksonen A. 2001. Journal of Aerosol Science. Supplement

Theory of size dependent deliquescence of nanoparticles: Relation to heterogeneous nucleation and comparison with experiments

Djikaev YS, Bowles R, Reiss H, Hämeri K, Laaksonen A, Väkevä M. 2001. Journal of physical chemistry b

Application of nucleation theories to atmospheric aerosol formation

Laaksonen A. 2000. AIP conference proceedings

Biogenic aerosol formation in the boreal forest

Kulmala M, Hämeri K, Mäkelä JM, Aalto PP, Pirjola L, Väkevä M, Nilsson ED, Koponen IK, Buzorius G, Keronen P, Rannik Ü, Laakso L, Vesala T, Bigg K, Seidl W, Forkel R, Hoffmann T, Spanke J, Janson R, Shimmo M, Hansson H-C, O'Dowd C, Becker E. 2000. Boreal environment research

Biogenic aerosol formation in the boreal forest

Hämeri K, Mäkelä JM, Aalto PP, Pirjola L, Väkevä M, Koponen IK, Buzorius G, Keronen P, Rannik Ü, Vesala T, Laakso L, Seidl W, Forkel R, Hoffmann T, Spanke J, Nilsson ED, Jansson R, Hansson H-C, O'Dowd C, Becker E, Paatero J, Teinilä K, Hillamo R. 2000. Journal of Aerosol Science. Supplement

Characteristics of the atmospheric particle formation events observed at a borel forest site in Southern Finland

Mäkelä JM, Dal Maso M, Pirjola L, Keronen P, Laakso L, Kulmala M, Laaksonen A. 2000. Boreal environment research

Characteristics of the three years continuous data on new particle formation events observed at a boreal forest site

Mäkelä JM, Dal Maso M, Laaksonen A, Pirjola L, Keronen P, Kulmala M. 2000. AIP conference proceedings

Density-functional studies of amphiphilic binary mixtures: I. Phase behavior

Napari I, Laaksonen A, Strey R. 2000. Journal of chemical physics

Density-functional studies of amphiphilic binary mixtures: II. Gas-liquid nucleation

Napari I, Laaksonen A, Strey R. 2000. Journal of chemical physics

Enhancement of CCN concentration due to aqueous phase sulfate production in polluted air

Mattila T, Viisanen Y, Kokkola H, Laaksonen A, Kulmala M. 2000. Journal of Aerosol Science. Supplement

Evaporation and condensation rates of a multicomponent droplet in a non-isothermal gas mixture

Nadykto AB, Schukin ER, Kulmala M, Laaksonen A. 2000. Journal of Aerosol Science. Supplement

Hygroscopic growth of ultrafine ammonium sulphate aerosol measured using an ultrafine tandem differential mobility analyzer

Hämeri K, Väkevä M, Hansson H-C, Laaksonen A. 2000. Journal of geophysical research

Model studies on the effect of nitric acid vapour on cirrus cloud formation

Hienola J, Kulmala M, Laaksonen A. 2000. AIP conference proceedings

Molecular dynamics simulations of gas-liquid nucleation of Lennard-Jones fluid

Laasonen K, Wonczak S, Strey R, Laaksonen A. 2000. Journal of chemical physics

Mutual nucleation enhancement in phase-separating amphiphilic systems

Napari I, Laaksonen A. 2000. Journal of Aerosol Science. Supplement

On evaporation and condensational growth of a non-spherical particle

Nadykto AB, Schukin ER, Kulmala M, Laaksonen A. 2000. Journal of Aerosol Science. Supplement

Organic tandem differential mobility analyzer

Joutsensaari J, Vaattovaara P, Laaksonen A, Väkevä M, Hämeri K. 2000. Journal of Aerosol Science. Supplement

Parametrisation of sulphuric acid-water nucleation rates for upper tropospheric and stratospheric conditions

Vehkamäki H, Kulmala M, Timmreck C, Laaksonen A. 2000. Journal of Aerosol Science. Supplement

Physical chemistry of aerosol formation

Kulmala M, Vesala T, Laaksonen A. 2000. Lewis Publishers

Solar variability and clouds

Kirkby J, Laaksonen A. 2000. Space Sciences Series of ISSI

Surfactant effects and an order-disorder transition in binary gas-liquid nucleation

Napari I, Laaksonen A. 2000. Physical review letters

Ternary nucleation of H2SO4, NH3 and H2O

Kulmala M, Korhonen P, Laaksonen A, Viisanen Y, McGraw R, Seinfeld JH. 2000. AIP conference proceedings

The homogeneous heteromolecular nucleation of sulphuric acid, water and ammonia in the coastal environment

Kulmala M, Korhonen P, Viisanen Y, Laaksonen A. 2000. Journal of Aerosol Science. Supplement

The influence of particle solubility on heterogeneous nucleation in binary vapor mixtures

Petersen D, Ortner R, Vrtala A, Laaksonen A, Kulmala M, Wagner PE. 2000. AIP conference proceedings

Upper tropospheric SO2 conversion into sulfuric acid aerosols and cloud condensation nuclei

Laaksonen A, Pirjola L, Kulmala M, Wohlfrom K-H, Arnold F, Raes F. 2000. Journal of geophysical research

A density functional approach to nucleation in partially miscible binary mixtures

Napari I, Laaksonen A. 1999. JOURNAL OF AEROSOL SCIENCE. SUPPLEMENT

A density functional study of liquid-liquid interfaces in partially miscible systems

Napari I, Laaksonen A, Talanquer V, Oxtoby DW. 1999. Journal of chemical physics

Applicability and limitations of the capillarity approximation for modeling heterogeneous nucleation in binary vapor mixtures

Petersen D, Ortner R, Vrtala A, Laaksonen A, Kulmala M, Wagner PE. 1999. JOURNAL OF AEROSOL SCIENCE. SUPPLEMENT

Gas-liquid nucleation in partially miscible systems: free-energy surfaces and structures of nuclei from density functional calculations

Napari I, Laaksonen A. 1999. Journal of chemical physics

Hygroscopic properties of ultrafine inorganic salt particles

Hämeri K, Väkevä M, Laaksonen A. 1999. JOURNAL OF AEROSOL SCIENCE. SUPPLEMENT

Influence of nitric acid vapor on cloud particle formation at low temperatures in troposphere

Hienola J, Kulmala M, Laaksonen A. 1999. JOURNAL OF AEROSOL SCIENCE. SUPPLEMENT

Liquid-drop formalism and free-energy surfaces in binary homogeneous nucleation theory

Laaksonen A, McGraw R, Vehkamäki H. 1999. Journal of chemical physics

Potential of upper tropospheric SO2 conversion into sulphuric acid aerosols and cloud condensation nuclei

Pirjola L, Kulmala M, Laaksonen A, Wohlfrom K-H, Arnold F, Raes F. 1999. JOURNAL OF AEROSOL SCIENCE. SUPPLEMENT

Ternary nucleation of H2SO4, NH3, and H2O in the atmosphere

Korhonen P, Kulmala M, Laaksonen A, Viisanen Y, McGraw R, Seinfeld JH. 1999. Journal of geophysical research

Analysis of the growth of nucleation mode particles observed in Boreal forest

Kulmala M, Toivonen A, Mäkelä JM, Laaksonen A. 1998. Tellus series b: chemical and physical meteorology

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The jump in global temperatures in September 2023 is extremely unlikely due to internal climate variability alone

Water Vapor Adsorption–Desorption Hysteresis Due to Clustering of Water on Nonporous Surfaces

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Increasing large scale windstorm damage in Western, Central and Northern European forests, 1951-2010

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Surface tension prevails over solute effect in organic-influenced cloud droplet activation

An adsorption theory of heterogeneous nucleation of water vapour on nanoparticles

Herbivory by an outbreaking moth increases emissions of biogenic volatiles and leads to enhanced secondary organic aerosol formation capacity

High concentrations of sub-3nm clusters and frequent new particle formation observed in the Po Valley, Italy, during the PEGASOS 2012 campaign

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Implementation of state-of-the-art ternary new-particle formation scheme to the regional chemical transport model PMCAMx-UF in Europe

Ion-induced nucleation of pure biogenic particles

Modeling the thermodynamics and kinetics of sulfuric acid-dimethylamine-water nanoparticle growth in the CLOUD chamber

Reduced anthropogenic aerosol radiative forcing caused by biogenic new particle formation

Surface fractal dimension, water adsorption efficiency, and cloud nucleation activity of insoluble aerosol

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Ubiquity of organic nitrates from nighttime chemistry in the European submicron aerosol

A unifying model for adsorption and nucleation of vapors on solid surfaces

Adsorptive uptake of water by semisolid secondary organic aerosols

Biotic stress accelerates formation of climate-relevant aerosols in boreal forests

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Geographical and diurnal features of amine-enhanced boundary layer nucleation

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Real-Time Chemical Composition Analysis of Particulate Emissions from Woodchip Combustion

Aerosol Liquid Water Driven by Anthropogenic Nitrate: Implications for Lifetimes of Water-Soluble Organic Gases and Potential for Secondary Organic Aerosol Formation

Ammonium nitrate evaporation and nitric acid condensation in DMT CCN counters

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Atmospheric submicron aerosol composition and particulate organic nitrate formation in a boreal forestland-urban mixed region

Biogeophysical impacts of peatland forestation on regional climate changes in Finland

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Finnish Centre of Excellence in Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change: summary and outlook

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Improved power-law estimates from multiple samples provided by millennium climate simulations

Increased hygroscopicity of Arizona Test Dust seeds by secondary organic aerosol coating from Increased hygroscopicity of Arizona Test Dust seeds by secondary organic alfa-pinene ozonolysis

Insight into Acid-Base Nucleation Experiments by Comparison of the Chemical Composition of Positive, Negative, and Neutral Clusters

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Neutral molecular cluster formation of sulfuric acid-dimethylamine observed in real time under atmospheric conditions

Observing wind, aerosol particles, cloud and precipitation: Finland's new ground-based remote-sensing network

Organic aerosol components derived from 25 AMS data sets across Europe using a consistent ME-2 based source apportionment approach

Oxidation Products of Biogenic Emissions Contribute to Nucleation of Atmospheric Particles

Reallocation in modal aerosol models: impacts on predicting aerosol radiative effects

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The third Pallas Cloud Experiment: Consistency between the aerosol hygroscopic growth and CCN activity

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A combined theory of heterogeneous nucleation and adsorption of vapors on solid surfaces

Acquisition and Representation of Knowledge for Atmospheric New Particle Formation

Aerosol Chemical Composition in Cloud Events by High Resolution Time-of-Flight Aerosol Mass Spectrometry

Black carbon concentration and deposition estimations in Finland by the regional aerosol-climate model REMO-HAM

Bounce characteristics of &#945 -pinene derived SOA particles with implications to physical phase

Direct Observations of Atmospheric Aerosol Nucleation

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Evolution of nanoparticle composition in CLOUD in presence of sulphuric acid, ammonia and organics

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