KARI E. J. LEHTINEN

Contact info

Research groups - UEF

• 
  Aerosol Physics Research Group

Publications

• Bohlmann, Stephanie; Shang, Xiaoxia; Vakkari, Ville; Giannakaki, Elina; Leskinen, Ari; Lehtinen, Kari E. J.; Pätsi, Sanna; Komppula, Mika. 2021. Lidar depolarization ratio of atmospheric pollen at multiple wavelengths Atmospheric chemistry and physics 21 9: 7083-7097. 2021
• Ruuskanen, Antti; Romakkaniemi, Sami; Kokkola, Harri; Arola, Antti; Mikkonen, Santtu; Portin, Harri; Virtanen, Annele; Lehtinen, Kari EJ; Komppula, Mika; Leskinen, Ari. 2021. Observations on aerosol optical properties and scavenging during cloud events Atmospheric chemistry and physics 21: 1683-1695. 2021
• Stolzenburg, Dominik; Ozon, Matthew; Kulmala, Markku; Lehtinen, Kari EJ; Lehtipalo, Katrianne; Kangasluoma, Juha. 2021. Combining instrument inversions for sub-10 nm aerosol number size-distribution measurements Journal of aerosol science 159: 105862. 2021
• Salminen, Teemu; Lehtinen, Kari E.J.; Kaipio, Jari P.; Russell, Vincent; Seppänen, Aku. 2021. Application of finite element method to General Dynamic Equation of Aerosols - Comparison with classical numerical approximations Journal of aerosol science 2022; 160: 105902. 2021
• Kulmala, Markku; Stolzenburg, Dominik; Dada, Lubna; Cai, Runlong; Kontkanen, Jenni; Yan, Chao; Kangasluoma, Juha; Ahonen, Lauri R; Gonzalez-Carracedo, Loïc; Sulo, Juha; Tuovinen, Santeri; Deng, Chenjuan; Li, Yiran; Lehtipalo, Katrianne; Lehtinen, Kari EJ; Petäjä, Tuukka; Winkler, Paul M; Jiang, Jingkun; Kerminen, Veli-Matti. 2021. Towards a concentration closure of sub-6 nm aerosol particles and sub-3 nm atmospheric clusters Journal of aerosol science 159: 105878. 2021
• Ozon, Matthew; Stolzenburg, Dominik; Dada, Lubna; Seppänen, Aku; Lehtinen, Kari E J. 2021. Aerosol formation and growth rates from chamber experiments using Kalman smoothing Atmospheric chemistry and physics 21 16: 12595-12611. 2021
• Ozon, Matthew; Seppänen, Aku; Kaipio, Jari P; Lehtinen, Kari EJ. 2021. Retrieval of process rate parameters in the general dynamic equation for aerosols using Bayesian state estimation: BAYROSOL 1.0 Geoscientific model development 14 6: 3715-3739. 2021
• Miinalainen, Tuuli; Kokkola, Harri; Lehtinen, Kari E.; Kühn, Thomas. 2021. Comparing the Radiative Forcings of the Anthropogenic Aerosol Emissions From Chile and Mexico Journal of geophysical research : atmospheres 126 10: e2020JD033364. 2021
• Dada, L; Lehtipalo, K; Kontkanen, J; Nieminen, T; Baalbaki, R; Ahonen, L; Duplissy, J; Yan, C; Chu, B; Petäjä, T; Lehtinen, K; Kerminen, VM; Kulmala, M; Kangasluoma, J. 2020. Formation and Growth of sub-3-nm Aerosol Particles in Experimental Chambers Nature protocols 15: 1013-1040. 2020
• He, Xu-Cheng; Iyer, Siddharth; Sipilä, Mikko; Ylisirniö, Arttu; Peltola, Maija; Kontkanen, Jenni; Baalbaki, Rima; Simon, Mario; Kuerten, Andreas; Tham, Yee Jun; Pesonen, Janne; Ahonen, Lauri R; Amanatidis, Stavros; Amorim, Antonio; Baccarini, Andrea; Beck, Lisa; Bianchi, Federico; Brilke, Sophia; Chen, Dexian; Chiu, Randall; et al [Incl. Schobesberger, Siegfried; Lehtinen, Kari; Väisänen Olli]. 2020. Determination of the collision rate coefficient between charged iodic acid clusters and iodic acid using the appearance time method Aerosol science and technology 2021; 55 2: 231-242. 2020
• Korhonen, Kimmo; Kristensen, Thomas Bjerring; Falk, John; Lindgren, Robert; Andersen, Christina; Carvalho, Ricardo Luis; Malmborg, Vilhelm; Eriksson, Axel; Boman, Christoffer; Pagels, Joakim; Svenningsson, Birgitta; Komppula, Mika; Lehtinen, Kari E J; Virtanen, Annele. 2020. Ice-nucleating ability of particulate emissions from solid-biomass-fired cookstoves: an experimental study Atmospheric chemistry and physics 20 8: 4951-4968. 2020
• Kühn, Thomas; Kupiainen, Kaarle; Miinalainen, Tuuli; Kokkola, Harri; Paunu, Ville-Veikko; Laakso, Anton; Tonttila, Juha; Van Dingenen, Rita; Kulovesi, Kati; Karvosenoja, Niko; Lehtinen, Kari EJ. 2020. Effects of black carbon mitigation on Arctic climate Atmospheric chemistry and physics 20 9: 5527-5546. 2020
• Leskinen, A; Ruuskanen, A; Kolmonen, P; Zhao, Y; Fang, D; Wang, Q; Gu, C; Jokiniemi, J; Hirvonen, M-R; Lehtinen, KEJ; Romakkaniemi, S; Komppula, M. 2020. The Contribution of Black Carbon and Non-BC Absorbers to the Aerosol Absorption Coefficient in Nanjing, China Aerosol and air quality research 20: 590-605. 2020
• Ramonet, M; Ciais, P; Apadula, F; Bartyzel, J; Bastos, A; Bergamaschi, P; Blanc, P E; Brunner, D; Caracciolo di Torchiarolo, L; Calzolari, F; Chen, H; Chmura, L; Colomb, A; Conil, S; Cristofanelli, P; Cuevas, E; Curcoll, R; Delmotte, M; di Sarra, A; Emmenegger, L; et al. [incl. Lehtinen, K; Leskinen A]. 2020. The fingerprint of the summer 2018 drought in Europe on ground-based atmospheric CO 2 measurements Philosophical transactions of the Royal Society B: biological sciences 375 1810: 20190513. 2020
• Tsuruta, A; Aalto, T; Backman, L; Krol, MC; Peters, W; Lienert, S; Joos, F; Miller, PA; Zhang, W; Laurila, T; Hatakka, J; Leskinen, A; Lehtinen, KEJ; Peltola, O; Vesala, T; Levula, J; Dlugokencky, E; Heimann, M; Kozlova, E; Aurela, M; et al.. 2019. Methane budget estimates in Finland from the CarbonTracker Europe-CH4 data assimilation system Tellus series b: chemical and physical meteorology 71 1: 1565030. 2019
• Tikkanen, Olli-Pekka; Hämäläinen, Väinö; Rovelli, Grazia; Lipponen, Antti; Shiraiwa, Manabu; Reid, Jonathan P; Lehtinen, Kari E J; Yli-Juuti, Taina. 2019. Optimization of process models for determining volatility distribution and viscosity of organic aerosols from isothermal particle evaporation data Atmospheric chemistry and physics 19 14: 9333-9350. 2019
• Mikkonen, Santtu; Pitkänen, Mikko RA; Nieminen, Tuomo; Lipponen, Antti; Isokääntä, Sini; Arola, Antti; Lehtinen, Kari EJ. 2019. Technical note: Effects of uncertainties and number of data points on line fitting - a case study on new particle formation Atmospheric chemistry and physics 19 19: 12531-12543. 2019
• Ezhova, Ekaterina; Kerminen, Veli-Matti; Lehtinen, Kari E J; Kulmala, Markku. 2018. A simple model for the time evolution of the condensation sink in the atmosphere for intermediate Knudsen numbers. ATMOSPHERIC CHEMISTRY AND PHYSICS 18 4: 2431-2442. 2018
• Faiola, CL; Buchholz, A; Kari, E; Yli-Pirilä, P; Holopainen, JK; Kivimäenpää, M; Miettinen, P; Worsnop, DR; Lehtinen, KEJ; Guenther, AB; Virtanen, A. 2018. Terpene Composition Complexity Controls Secondary Organic Aerosol Yields from Scots Pine Volatile Emissions Scientific reports 8: 3053. 2018
• Hao, Liqing; Garmash, Olga; Ehn, Mikael; Miettinen, Pasi; Massoli, Paola; Mikkonen, Santtu; Jokinen, Tuija; Roldin, Pontus; Aalto, Pasi; Yli-Juuti, Taina; Joutsensaari, Jorma; Petäjä, Tuukka; Kulmala, Markku; Lehtinen, Kari E J; Worsnop, Douglas R; Virtanen, Annele. 2018. Combined effects of boundary layer dynamics and atmospheric chemistry on aerosol composition during new particle formation periods ATMOSPHERIC CHEMISTRY AND PHYSICS 18 23: 17705-17716. 2018
• Hartikainen, Anni; Yli-Pirilä, Pasi; Tiitta, Petri; Leskinen, Afi; Kortelainen, Miika; Orasche, Juergen; Schnelle-Kreis, Juergen; Lehtinen, Kari E J; Zimmermann, Ralf; Jokiniemi, Jorma; Sippula, Olli. 2018. Volatile Organic Compounds from Logwood Combustion: Emissions and Transformation under Dark and Photochemical Aging Conditions in a Smog Chamber Environmental Science and Technology 52 8: 4979-4988. 2018
• Joutsensaari, Jorma; Ozon, Matthew; Nieminen, Tuomo; Mikkonen, Santtu; Lähivaara, Timo; Decesari, Stefano; Facchini, M Cristina; Laaksonen, Ari; Lehtinen, Kari EJ. 2018. Identification of new particle formation events with deep learning ATMOSPHERIC CHEMISTRY AND PHYSICS 18 13: 9597-9615. 2018
• Kokkola, Harri; Kühn, Thomas; Laakso, Anton; Bergman, Tommi; Lehtinen, Kari E J; Mielonen, Tero; Arola, Antti; Stadtler, Scarlet; Korhonen, Hannele; Ferrachat, Sylvaine; Lohmann, Ulrike; Neubauer, David; Tegen, Ina; Siegenthaler-Le Drian, Colombe; Schultz, Martin G; Bey, Isabelle; Stier, Philip; Daskalakis, Nikos; Heald, Colette L; Romakkaniemi, Sami. 2018. SALSA2.0: The sectional aerosol module of the aerosol-chemistry-climate model ECHAM6.3.0-HAM2.3-MOZ1.0 Geoscientific Model Development 11 9: 3833-3863. 2018
• Miettinen, M; Leskinen, A; Abbaszade, G; Orasche, J; Sainio, M; Mikkonen, S; Koponen, H; Rönkkö, T; Ruusunen, J; Kuuspalo, K; Tiitta, P; Jalava, P; Hao, L; Fang, D; Wang, Q; Gu, C; Zhao, Y; Michalke, B; Schnelle-Kreis, J; Lehtinen, KE; et al.. 2018. PM2.5 concentration and composition in the urban air of Nanjing, China: Effects of emission control measures applied during the 2014 Youth Olympic Games SCIENCE OF THE TOTAL ENVIRONMENT 2019; 652: 1-18. 2018
• Olenius, Tinja; Pichelstorfer, Lukas; Stolzenburg, Dominik; Winkler, PaulM; Lehtinen, Kari EJ; Riipinen, Ilona. 2018. Robust metric for quantifying the importance of stochastic effects on nanoparticle growth Scientific Reports 8 1: 14160. 2018
• Pichelstorfer, Lukas; Stolzenburg, Dominik; Ortega, John; Karl, Thomas; Kokkola, Harri; Laakso, Anton; Lehtinen, Kari EJ; Smith, James N; McMurry, Peter H; Winkler, Paul M. 2018. Resolving nanoparticle growth mechanisms from size- and time-dependent growth rate analysis. ATMOSPHERIC CHEMISTRY AND PHYSICS 18 2: 1307-1323. 2018
• Rönkkö, TJ; Jalava, PI; Happo, MS; Kasurinen, S; Sippula, O; Leskinen, A; Koponen, H; Kuuspalo, K; Ruusunen, J; Väisänen, O; Hao, L; Ruuskanen, A; Orasche, J; Fang, D; Zhang, L; Lehtinen, KEJ; Zhao, Y; Gu, C; Wang, Q; Jokiniemi, J; et al.. 2018. Emissions and atmospheric processes influence the chemical composition and toxicological properties of urban air particulate matter in Nanjing, China. SCIENCE OF THE TOTAL ENVIRONMENT 639: 1290-1310. 2018
• Tikkanen, Olli-Pekka; Väisänen, Olli; Hao, Liqing; Holopainen, Eemeli; Wang, Hao; Lehtinen, Kari E J; Virtanen, Annele; Yli-Juuti, Taina. 2018. Hygroscopicity of dimethylaminium-, sulfate-, and ammonium-containing nanoparticles AEROSOL SCIENCE AND TECHNOLOGY 52 9: 971-983. 2018
• Yli-Juuti T, Pajunoja A, Tikkanen O-P, Buchholz A, Faiola C, Väisänen O, Hao L, Kari E, Peräkylä O, Garmash O, Shiraiwa M, Ehn M, Lehtinen K, Virtanen A. 2017. Factors controlling the evaporation of secondary organic aerosol from alfa-pinene ozonolysis. GEOPHYSICAL RESEARCH LETTERS 44 5: 2562-2570. 2017
• Baranizadeh Elham, Nieminen Tuomo, Yli-Juuti Taina, Kulmala Markku, Petaja Tuukka, Leskinen Ari, Komppula Mika, Laaksonen Ari, Lehtinen Kari EJ. 2017. Estimation of atmospheric particle formation rates through an analytical formula: validation and application in Hyytiälä and Puijo, Finland. ATMOSPHERIC CHEMISTRY AND PHYSICS 17 21: 13361-13371. 2017
• Laakso A, Kokkola H, Partanen A.-I, Niemeier U, Timmreck C, Lehtinen KEJ, Hakkarainen H, Korhonen H. 2016. Radiative and climate impacts of a large volcanic eruption during stratospheric sulfur geoengineering. ATMOSPHERIC CHEMISTRY AND PHYSICS 16 1: 305-323. 2016
• Anttila Tatu, Lehtinen Kari EJ, Dal Masoa Miikka. 2016. Analytical expression for gas-particle equilibration time scale and its numerical evaluation. ATMOSPHERIC ENVIRONMENT 133: 34-40. 2016
• Tiitta Petri, Leskinen Ari, Hao Liqing, Yli-Pirilä Pasi, Kortelainen Miika, Grigonyte Julija, Tissari Jarkko, Lamberg Heikki, Hartikainen Anni, Kuuspalo Kari, Kortelainen Aki-Matti, Virtanen Annele, Lehtinen Kari EJ, Komppula Mika, Pieber Simone, Prévôt André SH, Onasch Timothy B, Worsnop Douglas R, Czech Hendryk, Zimmermann Ralf et al. 2016. Transformation of logwood combustion emissions in a smog chamber: formation of secondary organic aerosol and changes in the primary organic aerosol upon daytime and nighttime aging ATMOSPHERIC CHEMISTRY AND PHYSICS 16: 13251-13269. 2016
• Pitkänen Mikko RA, Mikkonen Santtu, Lehtinen Kari EJ, Lipponen Antti, Arola Antti. 2016. Artificial bias typically neglected in comparisons of uncertain atmospheric data. GEOPHYSICAL RESEARCH LETTERS 43 18: 10003-10011. 2016
• Väisänen Olli, Ruuskanen Antti, Ylisirniö Arttu, Miettinen Pasi, Portin Harri, Hao Liqing, Leskinen Ari, Komppula Mika, Romakkaniemi Sami, Lehtinen Kari EJ, Virtanen Annele. 2016. In-cloud measurements highlight the role of aerosol hygroscopicity in cloud droplet formation. ATMOSPHERIC CHEMISTRY AND PHYSICS 16: 10385-10398. 2016
• Kontkanen Jenni, Olenius Tinja, Lehtipalo Katrianne, Vehkamäki Hanna, Kulmala Markku, Lehtinen Kari E.J. 2016. Growth of atmospheric clusters involving cluster-cluster collisions: comparison of different growth rate methods. ATMOSPHERIC CHEMISTRY AND PHYSICS 16: 5545-5560. 2016
• 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. Hygroscopicity of nanoparticles produced from homogeneous nucleation in the CLOUD experiments. ATMOSPHERIC CHEMISTRY AND PHYSICS 16: 293-304. 2016
• Huttunen Jani, Kokkola Harri, Mielonen Tero, Mononen Mika Esa Juhani, Lipponen Antti, Reunanen Juha, Lindfors Anders Vilhelm, Mikkonen Santtu, Lehtinen Kari Erkki Juhani, Kouremeti Natalia, Bais Alkiviadis, Niska Harri, Arola Antti. 2016. Retrieval of aerosol optical depth from surface solar radiation measurements using machine learning algorithms, non-linear regression and a radiative transfer-based look-up table. ATMOSPHERIC CHEMISTRY AND PHYSICS 16: 8181-8191. 2016
• 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. Implementation of state-of-the-art ternary new-particle formation scheme to the regional chemical transport model PMCAMx-UF in Europe. Geoscientific Model Development 9: 2741-2754. 2016
• Andersson C, Bergström R, Bennet C, Robertson L, Thomas M, Korhonen H, Lehtinen KEJ, Kokkola H. 2015. MATCH-SALSA - Multi-scale Atmospheric Transport and CHemistry model coupled to the SALSA aerosol microphysics model - Part 1: Model description and evaluation. Geoscientific Model Development 8 2: 171-189. 2015
• Bergman T, Laaksonen A, Korhonen H, Malila J, Dunne EM, Mielonen T, Lehtinen KEJ, Kühn T, Arola A, Kokkola H. 2015. Geographical and diurnal features of amine-enhanced boundary layer nucleation. Journal of Geophysical Research: Atmospheres 120 18: 9606-9624. 2015
• Leskinen A, Yli-Pirilä P, Kuuspalo K, Sippula O, Jalava P, Hirvonen M-R, Jokiniemi J, Virtanen A, Komppula M, Lehtinen KEJ. 2015. Characterization and testing of a new environmental chamber. Atmospheric Measurement Techniques 8: 2267-2278. 2015
• Malila Jussi, McGraw Robert, Laaksonen Ari, Lehtinen Kari E J. 2015. Communication: Kinetics of scavenging of small, nucleating clusters: First nucleation theorem and sum rules. JOURNAL OF CHEMICAL PHYSICS (NEW YORK) 142 1: 011102. 2015
• Mielonen Tero, Laakso Anton, Karhunen Anni, Kokkola Harri, Partanen Antti-Ilari, Korhonen Hannele, Romakkaniemi Sami, Lehtinen Kari EJ. 2015. From nuclear power to coal power: Aerosol-induced health and radiative effects. Journal of Geophysical Research: Atmospheres 120 24: 12631-12643. 2015
• Olenius Tinja, Kupiainen-Määttä Oona, Lehtinen Kari EJ, Vehkamäki Hanna. 2015. Extrapolating particle concentration along the size axis in the nanometer size range requires discrete rate equations. JOURNAL OF AEROSOL SCIENCE 90: 1-13. 2015
• 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. Adsorptive uptake of water by semisolid secondary organic aerosols. GEOPHYSICAL RESEARCH LETTERS 42 8: 3063-3068. 2015
• Giannakaki E, Pfüller A, Korhonen K, Mielonen T, Laakso L, Vakkari V, Baars H, Engelmann R, Beukes JP, Van Zyl PG, Josipovic M, Tiitta P, Chiloane K, Piketh S, Lihavainen H, Lehtinen KEJ, Komppula M. 2015. One year of Raman lidar observations of free-tropospheric aerosol layers over South Africa. ATMOSPHERIC CHEMISTRY AND PHYSICS 15: 5429-5442. 2015
• Kupiainen-Määttä Oona, Olenius Tinja, Korhonen Hannele, Malila Jussi, Dal Maso Miikka, Lehtinen Kari, Vehkamäki Hanna. 2014. Critical cluster size cannot in practice be determined by slope analysis in atmospherically relevant applications. JOURNAL OF AEROSOL SCIENCE 77: 127-144. 2014
• Korhola Tapani, Kokkola Harri, Korhonen Hannele, Partanen Antti-Ilari, Laaksonen Ari, Lehtinen Kari E J, Romakkaniemi Sami. 2014. Reallocation in modal aerosol models: impacts on predicting aerosol radiative effects. Geoscientific Model Development 7: 161-174. 2014
• Leskinen A, Yli-Pirilä P, Kuuspalo K, Sippula O, Jalava P, Hirvonen M-R, Jokiniemi J, Virtanen A, Komppula M, Lehtinen KEJ. 2014. Characterization and testing of a new environmental chamber designed for emission aging studies. Atmospheric Measurement Techniques Discussion 7 6: 5921-5951. 2014
• Portin Harri, Leskinen Ari, Hao Liqing, Kortelainen Aki, Miettinen Pasi, Jaatinen Antti, Laaksonen Ari, Lehtinen Kari E J, Romakkaniemi Sami, Komppula Mika. 2014. The effect of local sources on particle size and chemical composition and their role in aerosol-cloud interactions at Puijo measurement station. ATMOSPHERIC CHEMISTRY AND PHYSICS 14: 6021-6034. 2014
• Stocker Markus, Baranizadeh Elham, Portin Harri, Komppula Mika, Rönkkö Mauno, Hamed Amar, Virtanen Annele, Lehtinen Kari, Laaksonen Ari, Kolehmainen Mikko. 2014. Representing situational knowledge acquired from sensor data for atmospheric phenomena. ENVIRONMENTAL MODELLING & SOFTWARE 58: 27-47. 2014
• Korhonen Hannele, Kerminen Veli-Matti, Kokkola Harri, Lehtinen Kari E J. 2014. Estimating atmospheric nucleation rates from size distribution measurements: Analytical equations for the case of size dependent growth rates. JOURNAL OF AEROSOL SCIENCE 69: 13-20. 2014
• 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. Observing wind, aerosol particles, cloud and precipitation: Finland's new ground-based remote-sensing network. Atmospheric Measurement Techniques 7: 1351-1375. 2014
• Kokkola Harri, Yli-Pirilä Pasi, Vesterinen Milko, Korhonen Hannele, Keskinen Helmi, Romakkaniemi Sami, Hao Liqing, Kortelainen Aki, Joutsensaari Jorma, Worsnop Douglas R, Virtanen Annele, Lehtinen Kari E J. 2014. The role of low volatile organics on secondary organic aerosol formation. ATMOSPHERIC CHEMISTRY AND PHYSICS 14: 1689-1700. 2014
• Baranizadeh Elham, Arola Antti, Hamed Amar, Nieminen Tuomo, Mikkonen Santtu, Virtanen Annele, Kulmala Markku, Lehtinen Kari, Laaksonen Ari. 2014. The effect of cloudiness on new-particle formation: investigation of radiation levels. BOREAL ENVIRONMENT RESEARCH 19 suppl. B: 343-354. 2014
• Huttunen Jani, Arola Antti, Myhre Gunnar, Lindfors Anders V, Mielonen Tero, Mikkonen Santtu, Schafer Joel S, Tripathi S N, Wild M, Komppula Mika, and Lehtinen Kari E J. 2014. Effect of water vapor on the determination of aerosol direct radiative effect based on the AERONET fluxes. ATMOSPHERIC CHEMISTRY AND PHYSICS 14: 6103-6110. 2014
• 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 submicron aerosol composition and particulate organic nitrate formation in a boreal forestland-urban mixed region. ATMOSPHERIC CHEMISTRY AND PHYSICS 14: 13483-13495. 2014
• Cesnulyte Vaida, Lindfors Anders V, Pitkänen Mikko R A, Lehtinen Kari E J, Morcrette J-J, Arola Antti. 2014. Comparing ECMWF AOD with AERONET observations at visible and UV wavelengths. ATMOSPHERIC CHEMISTRY AND PHYSICS 14: 593-608. 2014
• Happo Mikko S, Sippula Olli, Jalava Pasi I, Rintala Helena, Leskinen Ari, Komppula Mika, Kuuspalo Kari, Mikkonen Santtu, Lehtinen Kari, Jokiniemi Jorma, Hirvonen Marja-Riitta. 2014. Role of microbial and chemical composition in toxicological properties of indoor and outdoor air particulate matter. Particle and Fibre Toxicology 11: 1-18. 2014
• 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. Direct Observations of Atmospheric Aerosol Nucleation. SCIENCE 22: 943-946. 2013
• Sippula O, Rintala H, Happo M, Jalava P, Kuuspalo K, Virén A, Leskinen A, Markkanen A, Komppula M, Markkanen P, Lehtinen K, Jokiniemi J, Hirvonen M-R. 2013. Characterization of Chemical and Microbial Species from Size-Segregated Indoor and Outdoor Particulate Samples. Aerosol and Air Quality Research 13: 1212-1230. 2013
• Partanen AI, Laakso A, Schmidt A, Kokkola H, Kuokkanen T, Pietikäinen J-P, Kerminen V-M, Lehtinen KEJ, Laakso L, Korhonen H. 2013. Climate and air quality trade-offs in altering ship fuel sulfur content. ATMOSPHERIC CHEMISTRY AND PHYSICS 13: 12059-12071. 2013
• Pajunoja Aki, Malila Jussi, Hao Liqing, Joutsensaari Jorma, Lehtinen Kari E J, Virtanen Annele. 2013. Estimating the Viscosity Range of SOA Particles Based on Their Coalescence Time. AEROSOL SCIENCE AND TECHNOLOGY 48: i-iv. 2013
• Leppä Johannes, Gagné Stefanie, Laakso Lauri, Manninen Hanna E, Lehtinen Kari E J, Kulmala Markku, Kerminen Veli-Matti. 2013. Using measurements of the aerosol charging state in determination of the particle growth rate and the proportion of ion-induced nucleation.. ATMOSPHERIC CHEMISTRY AND PHYSICS 13: 463-486. 2013
• 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. Aerosol Chemical Composition in Cloud Events by High Resolution Time-of-Flight Aerosol Mass Spectrometry. ENVIRONMENTAL SCIENCE & TECHNOLOGY 47: 2645-2653. 2013
• Malila Jussi, McGraw R, Laaksonen Ari, Lehtinen Kari EJ. 2013. Repairing the first nucleation theorem: Precritical cluster losses: DeMott, Paul J and O'Dowd, Colin D, NUCLEATION AND ATMOSPHERIC AEROSOLS: 19th International Conference.American Institute of Physics. AIP conference proceedings 1527. 31-34. 2013
• Korhonen Hannele, Malila Jussi, Vehkamäki, Hanna, Kerminen, Veli-Matti, Lehtinen Kari EJ. 2013. Log-log slope analyses of simulated particle formation events at different conditions: DeMott, Paul J and O'Dowd, Colin D, NUCLEATION AND ATMOSPHERIC AEROSOLS: 19th International Conference.American Institute of Physics. AIP conference proceedings 1527. 234-237. 2013
• Kontkanen Jenni, Lehtinen, Kari E J, Nieminen Tuomo, Manninen Hanna E, Lehtipalo Katrianne, Kerminen, Veli-Matti, Kulmala Markku. 2013. Estimating the contribution of ion-ion recombination to sub-2 nm cluster concentrations from atmospheric measurements. ATMOSPHERIC CHEMISTRY AND PHYSICS 13: 11391-11401. 2013
• Kontkanen J, Nieminen T, Manninen H, Lehtipalo K, Kerminen V-M, Lehtinen Kari EJ, Kulmala Markku. 2013. Determination of the size distribution of recombination products from atmospheric measurements: DeMott, Paul J and O'Dowd, Colin D, NUCLEATION AND ATMOSPHERIC AEROSOLS: 19th International Conference.American Institute of Physics. AIP conference proceedings 1527. 238-241. 2013
• Happo MS, Markkanen A, Markkanen P, Jalava P, Kuuspalo K, Leskinen A, Sippula O, Lehtinen K, Jokiniemi J, Hirvonen M-R. 2013. Seasonal variation in the toxicological properties of size-segregated indoor and outdoor air particulate matter. TOXICOLOGY IN VITRO 27: 1550-1561. 2013
• Dal Maso Miikka, Korhonen Hannele, Lehtinen Kari EJ, Vehkamäki Hanna. 2013. The effect of early growth dynamics on determining particle formation rates of a nucleating burst: DeMott, Paul J and O'Dowd, Colin D, NUCLEATION AND ATMOSPHERIC AEROSOLS: 19th International Conference.American Institute of Physics. AIP conference proceedings 1527. 250-253. 2013
• Arola Antti, Eck T F, Huttunen J, Lehtinen Kari E J, Lindfors Anders V, Myhre G, Smirnov A, Tripathi S N, Yu H. 2013. Influence of observed diurnal cycles of aerosol optical depth on aerosol direct radiative effect. ATMOSPHERIC CHEMISTRY AND PHYSICS 13: 7895-7901. 2013
• 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. Long-term measurements of cloud droplet concentrations and aerosol-cloud interactions in continental boundary layer clouds. TELLUS. SER B. CHEMICAL AND PHYSICAL METEOROLOGY 65: 20138. 2013
• Mielonen Tero, Portin Harri, Komppula Mika, Leskinen Ari, Tamminen J, Ialongo I, Hakkarainen J, Lehtinen Kari E J, Arola Antti. 2012. Biomass burning aerosols observed in Eastern Finland during the Russian wildfires in summer 2010 - Part 2: Remote sensing. ATMOSPHERIC ENVIRONMENT 47: 279-287. 2012
• Winkler Paul M, Vrtala A, Steiner G, Wimmer D, Vehkamäki Hanna, Lehtinen Kari EJ, Reischl G P, Kulmala Markku, Wagner P. 2012. Quantitative Characterization of Critical nanoclusters nucleated on large single molecules PHYSICAL REVIEW LETTERS 108: 085701. 2012
• Vuollekoski Henri, Sihto Sanna-Liisa, Kerminen Veli-Matti, Kulmala Markku, Lehtinen Kari EJ. 2012. A numerical comparison of different methods for determining the particle formation rate ATMOSPHERIC CHEMISTRY AND PHYSICS 12: 2289-2295. 2012
• Vehkamäki Hanna, McGrath Matthew J., Kurtén Theo, Julin Jan, Lehtinen Kari E. J., Kulmala Markku. 2012. Rethinking the application of the first nucleation theorem to particle formation. JOURNAL OF CHEMICAL PHYSICS (NEW YORK) 136: 094107. 2012
• Prisle NL, Asmi, Ari, Topping D, Partanen Antti-Ilari, Romakkaniemi Sami, Dal Maso Miikka, Kulmala Markku, Laaksonen Ari, Lehtinen Kari EJ, McFiggans G, Kokkola H. 2012. Surfactant effects in global simulations of cloud droplet activation. GEOPHYSICAL RESEARCH LETTERS 39: -. 2012
• Portin Harri, Mielonen Tero, Leskinen Ari, Arola Antti, Pärjälä E, Romakkaniemi Sami, Laaksonen Ari, Lehtinen Kari E J, Komppula Mika. 2012. Biomass burning aerosols observed in Eastern Finland during the Russian wildfires in summer 2010 - Part 1: In-situ aerosol characterization. ATMOSPHERIC ENVIRONMENT 47: 269-278. 2012
• 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. In-situ observations of Eyjafjallajökull ash particles by hot-air balloon ATMOSPHERIC ENVIRONMENT 48: 104-112. 2012
• Partanen Antti-Ilari, Kokkola Harri, Romakkaniemi Sami, Kerminen Veli-Matti, Lehtinen Kari E. J., Bergman Tommi, Arola Antti, Korhonen Hannele. 2012. Direct and indirect effects of sea spray geoengineering and the role of injected particle size. JOURNAL OF GEOPHYSICAL RESEARCH 117: D2. 2012
• Komppula Mika, Mielonen Tero, Arola Antti, Korhonen Kimmo, Lihavainen Heikki, Hyvärinen Antti-Pekka, Baars H, Engelmann R, Althausen D, Ansmann A, Müller D, Panwar T S, Hooda R K, Sharma V P, Kerminen Veli-Matti, Lehtinen Kari E J, Viisanen Yrjö. 2012. Technical Note: One year of Raman-lidar measurements in Gual Pahari EUCAARI site close to New Delhi in India - Seasonal characteristics of the aerosol vertical structure. ATMOSPHERIC CHEMISTRY AND PHYSICS 12: 4513-4524. 2012
• Leskinen Ari, Arola Antti, Komppula Mika, Portin Harri, Tiitta Petri, Miettinen Pasi, Romakkaniemi Sami, Laaksonen Ari, Lehtinen Kari EJ. 2012. Seasonal cycle and source analyses of aerosol optical properties in a semi-urban environment at Puijo station in Eastern Finland. ATMOSPHERIC CHEMISTRY AND PHYSICS 12: 5647-5659. 2012
• Laakso Anton, Partanen Antti-Ilari, Kokkola Harri, Laaksonen Ari, Lehtinen Kari EJ and Korhonen Hannele. 2012. Stratospheric passenger flights are likely an inefficient geoengineering strategy. Environmental Research Letters 7: 034021. 2012
• 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. Measurement of the nucleation of atmospheric aerosol particles NATURE PROTOCOLS 7: 1651-1667. 2012
• Kukkonen J, Olsson T, Schultz D M, Baklanov A, Klein T, Miranda A I, Monteiro A, Hirtl M, Tarvainen V, Boy M, Peuch V-H., Poupkou A, Kioutsioukis I, Finardi S, Sofiev M, Sokhi R, Lehtinen Kari E J, Karatzas K, San José R, Astitha M, Kallos G, Schaap M, Reimer E, Jakobs H, Eben K. 2012. A review of operational, regional-scale, chemical weather forecasting models in Europe ATMOSPHERIC CHEMISTRY AND PHYSICS 12: 1-87. 2012
• Kukkonen J, Balk T, Schultz D M, Baklanov A, Klein T, Miranda A I, Monteiro A, Hirtl M, Tarvainen V, Boy M, Peuch V-H, Poupkou A, Kioutsioukis I, Finardi S, Sofiev M, Sokhi R, Lehtinen Kari E J, Karatzas K, San Jose R, Astitha, M, Kallos G, Schaap M, Reimer E, Jakobs H, Eben K. 2012. Operational chemical weather forecasting models on a regional scale in Europe: Steyn, Douw G.; Trini Castelli, Silvia, Air Pollution Modelling and its Application XXI. NATO Science for Peace and Security Series C: Environmental Security. 359-366. 2012
• Ihalainen Mika, Lind Terttaliisa, Torvela Tiina, Lehtinen Kari, Jokiniemi Jorma. 2012. Impaction dynamics of TiO2 agglomerates with different properties. In: (ed.) , EAC-2012 Abstracts Book. ss. WG10S1P32. 2012
• Bergman Tommi, Kerminen Veli-Matti, Korhonen Hannele, Lehtinen Kari E J, Makkonen Risto, Arola Antti, Mielonen Tero, Romakkaniemi Sami, Kulmala Markku, Kokkola Harri. 2012. Evaluation of the sectional aerosol microphysics module SALSA implementation in ECHAM5-HAM aerosol-climate model Geoscientific Model Development 5: 845-868. 2012
• Amar Hamed, Mika Komppula, Harri Portin, Ari Leskinen, Sami Romakkaniemi, Kari Lehtinen, James Smith, Jorma Joutsensaari and Ari Laaksonen:. 2012. Cloud Condensation Nucleus Production from Nucleation Events at a Semi-Rural Environment: Puijo station, Eastern Finland. In: (ed.) , CCN Production from Nucleation Events at Puijo station, Eastern Finland. ss. 1. 2012
• Ihalainen Mika, Lind Terttaliisa, Torvela Tiina, Lehtinen Kari, Jokiniemi Jorma. 2012. A method to study agglomerate breakup and bounce during impaction AEROSOL SCIENCE AND TECHNOLOGY 46 9: 990-1001. 2012
• M. Kulmala, et al., Laaksonen, A., Lehtinen, K.E.J., A. Vaattovaara, P. et al.. 2011. General overview: European Integrated projects on aerosol cloud climate and air quality interactions (EUCAARI) ¿ Integrating aerosols research from nano to global scales. REPORT SERIES IN AEROSOL SCIENCE 126: 192-198. 2011
• Torvela Tiina, Lähde Anna, Mönkäre Juha, Riikonen Joakim, Lehtinen Kari E.J., Järvinen Kristiina, Lehto Vesa-Pekka, Jokiniemi Jorma, Joutsensaari Jorma. 2011. Low-temperature aerosol flow reactor method for preparation of surface stabilized pharmaceutical nanocarriers. JOURNAL OF AEROSOL SCIENCE 42 10: 645-656. 2011
• Roldin Pontus, Swietlicki Erik, Schurgers G, Arneth A, Lehtinen Kari EJ, Boy Michael & Kulmala Markku. 2011. Development and evaluation of the aerosol dynamic and gas phase chemistry model ADCHEM ATMOSPHERIC CHEMISTRY AND PHYSICS 11: 5867-5896. 2011
• Mikkonen Santtu, Romakkaniemi Sami, Smith James N, Korhonen Hannele, Petäjä Tuukka, Plass-Duelmer Christian, Boy Michael, McMurry Peter H, Lehtinen Kari EJ, Joutsensaari Jorma, Hamed Amar, Mauldin Lee R, Birmili Wolfram, Arnold Frank, Kulmala Markku, Laaksonen Ari. 2011. Statistical proxy for sulphuric acid concentration: Markku Kulmala, Jaana Bäck, Hanna K. Lappalainen and Tuomo Nieminen, Proceedings of the Finnish Center of Excellence and Graduate School in 'Physics, Chemistry, Biology and Meteorology ofAtmospheric Composition and Climate Change' Annual Workshop 18.¿20.5.2011. Report Series in Aerosol Science 126. 261-264. 2011
• Mikkonen Santtu, Romakkaniemi Sami, Smith James N, Korhonen Hannele, Petäjä Tuukka, Plass-Duelmer Christian, Boy Michael, McMurry Peter H, Lehtinen Kari EJ, Joutsensaari Jorma, Hamed Amar, Mauldin III RL, Birmili Wolfram, Spindler Gerald, Arnold Frank, Kulmala Markku, Laaksonen Ari. 2011. A statistical proxy for sulphuric acid concentration ATMOSPHERIC CHEMISTRY AND PHYSICS 11: 11319-11334. 2011
• 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. 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. Geoscientific Model Development 4: 1-13. 2011
• Mielonen Tero, Levy RC, Aaltonen V, Komppula Mika, de Leeuw G, Huttunen Jani, Lihavainen H, Kolmonen P, Lehtinen Kari EJ, & Arola, Antti. 2011. Evaluating the assumptions of surface reflectance and aerosol type selection within the MODIS aerosol retrieval over land: the problem of dust type selection. Atmospheric Measurement Techniques 4: 201-214. 2011
• Leppä J, Anttila Tatu, Kerminen Veli-Matti, Kulmala Markku & Lehtinen Kari EJ. 2011. Atmospheric new particle formation: real and apparent growth of neutral and charged particles. ATMOSPHERIC CHEMISTRY AND PHYSICS 11: 4939-4955. 2011
• Kulmala Markku, Arola Antti, Nieminen Tuomo, Riuttanen L, Sogacheva L, de Leeuw G, Kerminen Veli-Matti, Lehtinen Kari EJ. 2011. The first estimates of global nucleation mode aerosol concentrations based on satellite measurements ATMOSPHERIC CHEMISTRY AND PHYSICS 11: 10791-10801. 2011
• Korhonen Hannele, Sihto Sanna-Liisa, Kerminen Veli-Matti & Lehtinen Kari EJ. 2011. Evaluation of the accuracy of analysis tools for atmospheric new particle formation. ATMOSPHERIC CHEMISTRY AND PHYSICS 11: 3051-3066. 2011
• Hyvärinen A-P, Kolmonen P, Kerminen V-M, Virkkula A, Leskinen A, Komppula M, Hatakka J, Burkhart J, Stohl A, Aalto P, Kulmala M, Lehtinen K.E.J., Viisanen Y, Lihavainen H. 2011. Aerosol black carbon at five background measurement sites over Finland, a gateway to the Arctic. ATMOSPHERIC ENVIRONMENT 45 24: 4042-4050. 2011
• 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. The role of relative humidity in continental new particle formation. JOURNAL OF GEOPHYSICAL RESEARCH 116: D03202, 12 PP. 2011
• Hamed A, Portin H, Leskinen M, Komppula M, Lehtinen KEJ, Romakkaniemi S, Smith JN, Joutsensaari J, Laaksonen A. 2011. Characterization of New Particle Formation Events in Kuopio, Finland Based on a three-year analysis, New Particle Formation. 482. 2011
• 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. European Integrated project on Aerosol Cloud Climate and Air Quality interactions (EUCAARI) ¿ integrating aerosol research from nano to global scales ATMOSPHERIC CHEMISTRY AND PHYSICS 11: 13061-13143. 2011
• Natunen A, Arola A, Mielonen T, Huttunen J, Komppula M & Lehtinen KEJ. 2010. A multi-year comparison of PM2.5 and AOD for the Helsinki region.. BOREAL ENVIRONMENT RESEARCH 15: 544-552. 2010
• Vuollekoski H, Nieminen T, Paasonen P, Sihto SL, Boy M, Manninen H, Lehtinen KEJ, Kerminen VM & Kulmala M. 2010. Atmospheric nucleation and initial steps of particle growth: Numerical comparison of different theories and hypotheses. ATMOSPHERIC RESEARCH 98 2-4: 229-236. 2010
• Vuollekoski H, Boy M, Kerminen VM, Lehtinen KEJ & Kulmala M. 2010. MECCO: A method to estimate concentrations of condensing organics¿Description and evaluation of a Markov chain Monte Carlo application JOURNAL OF AEROSOL SCIENCE 41 12: 1080-1089. 2010
• Nieminen T, Lehtinen KEJ & Kulmala M. 2010. Sub-10 nm particle growth by vapor condensation ¿ effects of vapor molecule size and particle thermal speed ATMOSPHERIC CHEMISTRY AND PHYSICS 10: 9773-9779. 2010
• 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. Roadside aerosol study using hygroscopic, organic and volatility TDMAs: Characterization and mixing state. ATMOSPHERIC ENVIRONMENT 44 7: 976-986. 2010
• Mikkonen Santtu, Korhonen Hannele, Romakkaniemi Sami, Smith James N, Joutsensaari Jorma, Lehtinen Kari EJ, Hamed Amar, Breider Tom J, Birmili Wolfram, Spindler Gerald, Plass-Duelmer Christian, Facchini Maria Christina, Laaksonen Ari. 2010. 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.. In: Markku Kulmala, Hanna K. Lappalainen, Ari Asmi and Tuomo Nieminen (ed.) , Proceedings of 2010 EUCAARI Annual Meeting, Helsinki 22.11-26.11.2010. Report Series in Aerosol Science 120. ss. 211-215. 2010
• Markkanen A, Kuuspalo K, Komppula M, Jokiniemi J, Lehtinen K, Männikkö J-P, Markkanen P, Meklin T & Hirvonen M-R. 2010. The effects of housing conditions and outdoor air on characteristics of indoor air particulate matter: Toxicological characterization of PM size fractions, Abstract book of International Aerosol Conference 2010, 29 Aug - 3 Sep, Helsinki, Finland. P3LP16. 2010
• Kerminen VM, Petäjä T, Manninen HE, Paasonen P, Nieminen T, Sipilä M, Junninen H, Ehn M, Gagné S, Laakso L, Riipinen I, Vehkamäki H, Kurten T, Ortega IK, Dal Maso M, Brus D, Hyvärinen A, Lihavainen H, Leppä J, Lehtinen KEJ, Mirme A, Mirme S, Hõrrak U, Berndt T, Stratmann F, Birmili W, Wiedensohler A, Metzger A, Dommen J, Baltensperger U, Kiendler-ScharrA, Mentel TF, Wildt J, Winkler PM, Wagner PE,. 2010. Atmospheric nucleation: highlights of the EUCAARI project and future directions. ATMOSPHERIC CHEMISTRY AND PHYSICS 10: 10829-10848. 2010
• Hamed A, Birmili W, Joutsensaari J, Mikkonen S, Asmi A, Wehner B, Spindler G, Jaatinen A, Wiedensohler A, Korhonen H, Lehtinen, KEJ, & Laaksonen A. 2010. Changes in the production rate of secondary aerosol particles in Central Europe in view of decreasing SO2 emissions between 1996 and 2006. ATMOSPHERIC CHEMISTRY AND PHYSICS 10: 1071-1091. 2010
• Anttila T, Kerminen VM & Lehtinen KEJ. 2010. Parameterizing the formation rate of new particles: The effect of nuclei self-coagulation JOURNAL OF AEROSOL SCIENCE 41 7: 621-636. 2010
• Mielonen T, Arola A, Komppula M, Kukkonen J, Koskinen J, De Leeuw G, Lehtinen KEJ. 2009. Comparison of caliop level 2 aerosol subtypes to aerosol types derived from aeronet inversion data. In: Kulmala M, Bäck J, Nieminen T, Lauri A (ed.) , Proceedings of the Finnish Center of Excellence and Graduate School in Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change Annual Workshop. Report Series in Aerosol Science. ss. 289-294. 2009
• Vesterinen M, Lehtinen KEJ, Korhonen H, Joutsensaari J. 2009. The plant flow chamber simulation using a condensational growth model. In: Kulmala M, Bäck J, Nieminen T, Lauri A (ed.) , Proceedings of the Finnish Center of Excellence and Graduate School in "Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change". Annual Workshop. Report Series in Aerosol Science. ss. 462-465. 2009
• Tiitta P, Petäjä T, Miettinen P, Vaattovaara P, Joutsensaari J, Virtanen A, Aalto P, Portin H, Lehtinen KEJ, Kulmala M, Laaksonen A. 2009. Roadside aerosol study using hygroscopic, organic and volatility TDMAs, Nucleation and Atmospheric Aerosols 18th International Conference. 849-852. 2009
• Tiitta P, Miettinen P, Vaattovaara P, Joutsensaari J, Petäjä T, Virtanen A, Aalto P, Portin H, Lehtinen KEJ, Kulmala M, Laaksonen A. 2009. Roadside ufp study using hygroscopic, organic and volatility tdmas: Kulmala M, Bäck J, Nieminen T, Lauri A, Proceedings of the Finnish Center of Excellence and Graduate School in Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change Annual Workshop. Report Series in Aerosol Science. 410-414. 2009
• Sihto S-L, Vuollekoski H, Leppä J, Riipinen I, Kerminen V-M, Korhonen H, Lehtinen KEJ, Boy M, Kulmala M. 2009. Aerosol dynamics simulations on the connection of sulphuric acid and new particle formation. ATMOSPHERIC CHEMISTRY AND PHYSICS 9: 2933-2947. 2009
• Portin HJ, Komppula M, Leskinen AP, Romakkaniemi S, Laaksonen A, Lehtinen KEJ. 2009. Observations of aerosol-cloud interactions at the Puijo semi-urban measurement station. BOREAL ENVIRONMENT RESEARCH 14: 641-653. 2009
• Portin HJ, Komppula M, Leskinen A, Romakkaniemi S, Laaksonen A, Lehtinen KEJ. 2009. Observations of aerosol-cloud interactions at Puijo semi-urban measurement station. In: (ed.) , Nucleation and Atmospheric Aerosols 18th International Conference.ICPF ASCR, v.v.i. and CAS. ss. 383-386. 2009
• Portin HJ, Komppula M, Leskinen A, Romakkaniemi S, Laaksonen A, Lehtinen K E J. 2009. Aerosol-cloud interactions at Puijo semi-urban measurement station: Kulmala M, Bäck J, Nieminen T, Lauri A, Proceedings of the Finnish Center of Excellence and Graduate School in Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change Annual Workshop. Report Series in Aerosol Science. 352-355. 2009
• Partanen AI, Korhonen H, Kazil J, Niemeier U, Timmreck C, Lehtinen KEJ, Feichter J, Kokkola H. 2009. Optimization of geoengineering by using one dimensional aerosol-climate model. In: Kulmala M, Bäck J, Nieminen T, Lauri A (ed.) , Proceedings of the Finnish Center of Excellence and Graduate School in Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change Annual Workshop. Report Series in Aerosol Science. ss. 335-337. 2009
• Partanen A-I, Korhonen H, Kazil J, Niemeier U, Timmreck C, Lehtinen KEJ, Feichter J, Kokkola H. 2009. Optimization of sulphur injections to the stratosphere: 1-D model study on artificially produced stratospheric sulphate aerosol, Nucleation and Atmospheric Aerosols 18th International Conference.ICPF ASCR, v.v.i. and CAS. 922-925. 2009
• Mikkonen S, Lehtinen KEJ, Romakkaniemi S, Joutsensaari J, Hamed A, Laaksonen A. 2009. Statistical analysis of factors affecting to the number concentration of atmospheric aerosols in two polluted areas: Kulmala M, Bäck J, Nieminen T, Lauri A, Proceedings of the Finnish Center of Excellence and Graduate School in Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change Annual Workshop. Report Series in Aerosol Science. 303-306. 2009
• Leppä J, Kerminen V-M, Laakso L, Korhonen H, Lehtinen KEJ, Gagne S, Manninen HE, Nieminen T, Kulmala M. 2009. Ion-UHMA: a model for simulating the dynamics of neutral and charged aerosol particles BOREAL ENVIRONMENT RESEARCH 14: 559-575. 2009
• Mielonen T, Arola A, Komppula M, Kukkonen J, Koskinen J, de LEEUW G, Lehtinen KEJ. 2009. Comparison of CALIOP level 2 aerosol subtypes to aerosol types derived from AERONET inversion data. GEOPHYSICAL RESEARCH LETTERS 36: L18804. 2009
• 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. The applicability of three different nucleation event day prediction methods at three measurement sites in Europe: Kulmala M, Bäck J, Nieminen T, Lauri A, Proceedings of the Finnish Center of Excellence and Graduate School in Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change Annual Workshop. Report Series in Aerosol Science. 151-155. 2009
• Gröhn A, Suonmaa V, Auvinen A, Lehtinen KEJ, Jokiniemi J. 2009. Reduction of fine particle emissions from wood combustion with optimized condensing heat exchangers. ENVIRONMENTAL SCIENCE & TECHNOLOGY 43 16: 6269-6274. 2009
• Hamed A, Korhonen H, Sihto S-L, Joutsensaari J, Järvinen H, Lehtinen K, Kulmala M, Laaksonen A. 2009. Increased coagulation scavenging does not explain suppression of nucleation events at high relative humidities?. In: (ed.) , Nucleation and Atmospheric Aerosols 18th International Conference.ICPF ASCR, v.v.i. and CAS. ss. 464-467. 2009
• 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. Sensitivity of aerosol concentrations and cloud properties to nucleation and secondary organic distripution in ECHAM5-HAM global circulation model. ATMOSPHERIC CHEMISTRY AND PHYSICS 9: 1747-1766. 2009
• 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. A comparison of new particle formation events in the boundary layer at three different sites in Europe. BOREAL ENVIRONMENT RESEARCH 14: 481-498. 2009
• Hytönen K, Yli-Pirilä P, Tissari J, Gröhn A, Riipinen I, Lehtinen KEJ, Jokiniemi J. 2009. Gas-particle distribution of PAHs in wood combustion emission determined with annular denuders, filter, and polyurethane foam adsorbent AEROSOL SCIENCE AND TECHNOLOGY 43: 442-454. 2009
• Kokkola H, Bergman T, Feichter J, Hommel R, Järvinen H, Kazil J, Kerminen V-M, Korhonen H, Kulmala M, Lehtinen KEJ, Makkonen R, Niemeier U, Partanen A-I, Timmreck C. 2009. Intercomparison of aerosol modules in the framework of ECHAM5 climate model: Kulmala M, Bäck J, Nieminen T, Lauri A, Proceedings of the Finnish Center of Excellence and Graduate School in Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change Annual Workshop. Report Series in Aerosol Science. 184-189. 2009
• Leskinen A, Portin H, Komppula M, Miettinen P, Arola A, Lihavainen H, Hatakka J, Laaksonen A, Lehtinen KEJ. 2009. Overview of the research activities and results at Puijo semi-urban measurement station. BOREAL ENVIRONMENT RESEARCH 14: 576-590. 2009
• Leskinen A, Portin H, Komppula M, Miettinen P, Lihavainen H, Hatakka J, Laaksonen A, Lehtinen KEJ. 2009. Recent research activities at the Puijo semi-urban measurement station, Nucleation and Atmospheric Aerosols 18th International Conference. 858-861. 2009
• Leskinen A, Portin H, Komppula M, Miettinen P, Lihavainen H, Hatakka J, Laaksonen A, Lehtinen KEJ. 2009. Recent research activities at the Puijo semi-urban measurement station: Kulmala M, Bäck J, Nieminen T, Lauri A, Proceedings of the Finnish Center of Excellence and Graduate School in Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change Annual Workshop. Report Series in Aerosol Science. 247-250. 2009
• Leskinen AP, Kulmala M, Lehtinen KEJ. 2008. Growth of nucleation mode particles: source rates of condensable vapour in a smog chamber. ATMOSPHERIC ENVIRONMENT 42: 7405-7411. 2008
• Winkler PM, Steiner G, Vrtala A, Vehkamäki H, Noppel M, Lehtinen KEJ, Reischl GP, Wagner PE, Kulmala M. 2008. Heterogeneous nucleation experiments bridging the scale from molecular ion clusters to nanoparticles SCIENCE 319: 1374-1377. 2008
• Viskari T, Järvinen H, Anttila T, Kerminen V-M, Lehtinen KEJ, Korhonen H, Sihto S-L, Kulmala M. 2008. Duration of tangent-linear regime in sectional multi-component aerosol dynamics. JOURNAL OF AEROSOL SCIENCE 39: 723-736. 2008
• Sihto S-L, Vuollekoski H, Leppä J, Riipinen I, Kerminen V-M, Korhonen H, Lehtinen KEJ, Boy M, Kulmala M. 2008. Aerosol dynamics simulations on the connection of sulphuric acid and new particle formation. ATMOSPHERIC CHEMISTRY AND PHYSICS DISCUSSIONS 8: 11363-11395. 2008
• Mikkonen S, Lehtinen KEJ, Hamed A, Joutsensaari J, Laaksonen A. 2008. Finding factors affecting to the number concentration of atmospheric aerosol with advanced statistical methods, NOSA Aerosol Symposium. 77-78. 2008
• Mikkonen S, Hamed A, Lehtinen KEJ, Joutsensaari J, Jaatinen A, Sogacheva L, Facchini MC, Laaksonen A. 2008. New particle formation events in Northern Italy based on a three-year analysis: Markku Kulmala, Jaana Bäck, and Martta Salonen, Proceedings of the Nordic Center of Excellence BACCI ( Biosphere-Atmosphere-Cloud-Climate Interactions) and the Finnish Center of Excellence``Research Unit on Physics, Chemistry, and Biology of Atmospheric Composition and Climate Change``. Report Series in Aerosol Science. 158-161. 2008
• 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. Sensitivity of aerosol concentrations and cloud properties to nucleation and secondary organic distribution in ECHAM5-HAM global circulation model ATMOSPHERIC CHEMISTRY AND PHYSICS DISCUSSIONS 8: 10955-10998. 2008
• Mielonen T, Kaurila T, Arola A, Lihavainen H, Komppula M, Lehtinen KEJ. 2008. Effect of aerosols on the infrared transmission in Lakiala, Finland ATMOSPHERIC ENVIRONMENT 42: 2603-2610. 2008
• 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. Activities at the Puijo semi-urban aerosol-cloud interaction measurement station. REPORT SERIES IN AEROSOL SCIENCE 92: 127-130. 2008
• 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. The role of VOC oxidation products in continental new particle formation. ATMOSPHERIC CHEMISTRY AND PHYSICS 8: 2657-2665. 2008
• 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. SO2 oxidation products other than H2SO4 as a trigger of new particle formation. Part 2: Comparison of ambient and laboratory measurements, and atmospheric implications. ATMOSPHERIC CHEMISTRY AND PHYSICS 8: 7255-7264, 2008. 2008
• Kokkola H, Vesterinen M, Anttila T, Laaksonen A, Lehtinen KEJ. 2008. Technical note: analytical formulae for the critical supersaturations and droplet diameters of CCN containing insoluble material. ATMOSPHERIC CHEMISTRY AND PHYSICS 8: 1985-1988. 2008
• 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. SALSA - a sectional aerosol module for large scale applications. ATMOSPHERIC CHEMISTRY AND PHYSICS 8: 2469-2483. 2008
• 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. A comparison of new particle formation events in Eastern Germany and in Northern Italy on a three-year analysis. REPORT SERIES IN AEROSOL SCIENCE 93: 37-39. 2008
• 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. Nucleation events in Italy, Germany and Finland: a comparative study, NOSA Aerosol Symposium. 39-40. 2008
• Laaksonen A, Lehtinen KEJ. 2008. Nucleation. In: Colbeck I (ed.) , Environmental Chemistry of Aerosols.Blackwell Publishing. ss. 31-46. 2008
• Lihavainen H, Komppula M, Kerminen V-M, Järvinen H, Viisanen Y, Lehtinen K, Vana M, Kulmala M. 2007. Size distributions of atmospheric ions inside clouds and in cloud-free air at a remote continental site. BOREAL ENVIRONMENT RESEARCH 12: 337-344. 2007
• Vesterinen M, Lehtinen KEJ, Kulmala M, Laaksonen A. 2007. Effect of particle phase oligomer formation on aerosol growth. ATMOSPHERIC ENVIRONMENT 41: 1768-1776. 2007
• Vaattovaara P, Huttunen PE, Yoon YJ, Joutsensaari J, Lehtinen KEJ, O'Dowd CD, Laaksonen A. 2007. Significant secondary organic effect of marine biota origin on coastal and open ocean aerosols, Solas Open Science Conference. 202-203. 2007
• 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. Connections between atmospheric sulphuric acid and new particle formation during QUEST lll-IV campaigns in Heidelberg and Hyytiälä. ATMOSPHERIC CHEMISTRY AND PHYSICS 7: 1899-1914. 2007
• Riipinen I, Koponen IK, Frank GP, Hyvärinen A-P, Vanhanen J, Lihavainen H, Lehtinen KEJ, Bilde M, Kulmala M. 2007. Adipic and malonic acid aqueous solutions: surface tensions and saturation vapor pressures. JOURNAL OF PHYSICAL CHEMISTRY. A 111: 12995-13002. 2007
• Mikkonen S, Lehtinen KEJ, Hamed A, Joutsensaari J, Laaksonen A. 2007. Analysing the number concentration of 50 nm particles with multivariate mixed effects model: Colin O'Dowd and Paul Wagner, Nucleation and Atmospheric Aerosols, Proceedings of the 17th international ICNAA Conference.Springer. 1008-1012. 2007
• Leskinen AP, Jokiniemi JK, Lehtinen KEJ. 2007. Transformation of diesel engine exhaust in an environmental chamber ATMOSPHERIC ENVIRONMENT 41 39: 8865-8873. 2007
• Leskinen AP, Jokiniemi JK, Lehtinen KEJ. 2007. Characterization of aging wood chip combustion aerosol in an environmental chamber. ATMOSPHERIC ENVIRONMENT 41: 3713-3721. 2007
• 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. On aerosol-cloud studies at the Puijo semiurban measurement station: O'Dowd CD, Wagner PE, Nucleation and Atmospheric Aerosols, 17th International Conference, ICNAA 2007. 561-564. 2007
• Lehtinen KEJ, Dal Maso M, Kulmala M, Kerminen V-M. 2007. Estimating nucleation rates from apparent particle formation rates and vice versa: revised formulation of the Kerminen - Kulmala equation JOURNAL OF AEROSOL SCIENCE 38: 988-994. 2007
• 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. The role of VOC oxidation products in continental new particle formation ATMOSPHERIC CHEMISTRY AND PHYSICS DISCUSSIONS 7: 7819-7841. 2007
• Kulmala M, Riipinen I, Sipilä M, Manninen HE, Petäjä T, Junninen H, Dal Maso M, Mordas G, Mirme A, Vana M, Hirsikko A, Laakso L, Harrison RM, Hanson I, Leung C, Lehtinen KEJ, Kerminen V-M. 2007. Toward direct measurement of atmospheric nucleation SCIENCE 318 5847: 89-92. 2007
• Kerminen V-M, Anttila T, Petäjä T, Laakso L, Gagné S, Lehtinen KEJ, Kulmala M. 2007. Charging state of the atmospheric nucleation mode: implications for separating neutral and ion-induced nucleation. JOURNAL OF GEOPHYSICAL RESEARCH D. 112 D21205: 12 s. 2007
• Arola A, Lindfors A, Natunen A, Lehtinen KEJ. 2007. A case study on biomass burning aerosols: effects on aerosol optical properties and surface radiation levels. ATMOSPHERIC CHEMISTRY AND PHYSICS 7: 4257-4266. 2007
• 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 sulphuric acid and aerosol formation: implications from atmospheric measurements for nucleation and early growth mechanisms. ATMOSPHERIC CHEMISTRY AND PHYSICS 6: 4079-4091. 2006
• Winkler PM, Vrtala A, Rudolf R, Wagner PE, Riipinen I, Vesala T, Lehtinen KEJ, Viisanen Y, Kulmala M. 2006. Condensation of water vapor: experimental determination of mass and thermal accommodation coefficients JOURNAL OF GEOPHYSICAL RESEARCH D. 111: D19202. 2006
• Vaattovaara P, Huttunen PE, Yoon YJ, Joutsensaari J, Lehtinen KEJ, O¿Dowd CD, Laaksonen A. 2006. Marine secondary organic contribution to coastal nucleation events, Abstract Book of 7th Interantional Aerosol Conference. 1264. 2006
• Vaattovaara P, Huttunen PE, Yoon YJ, Joutsensaari J, Lehtinen KEJ, O'Dowd CD, Laaksonen A. 2006. The composition of nucleation and Aitken modes particles during coastal nucleation events: evidence for marine secondary organic contribution. ATMOSPHERIC CHEMISTRY AND PHYSICS 6: 4601-4616. 2006
• Vaattovaara P, Huttunen PE, Yoon YJ, Joutsensaari J, Lehtinen KEJ, O'Dowd CD, Laaksonen A. 2006. Marine secondary organic contribution to ultrafine particles. REPORT SERIES IN AEROSOL SCIENCE 81 A: 631-633. 2006
• Vaattovaara P, Huttunen PE, Yoon YJ, Joutsensaari J, Lehtinen KEJ, O'Dowd CD, Laaksonen A. 2006. Evidence for marine secondary organic contribution to newly-formed nanometer-sized particles formation: Vehkamäki H, Bergman T, Julin J, Salonen M, Kulmala M, NOSA 2006 Aerosol symposium, combined with the X Finnish National Aerosol Symposium. Report Series in Aerosol Science. 394-398. 2006
• Tunved P, Korhonen H, Ström J, Hansson H-C, Lehtinen KEJ, Kulmala M. 2006. Is nucleation capable of explaining observed aerosol integral number increase during southerly transport over Scandinavia?. TELLUS. SER B. CHEMICAL AND PHYSICAL METEOROLOGY 58B: 129-140. 2006
• Tissari JM, Yli-Tuomi T, Raunemaa TM, Tiitta PT, Nuutinen JP, Willman PK, Lehtinen KEJ, Jokiniemi JK. 2006. Fine particle emissions from milled peat production. BOREAL ENVIRONMENT RESEARCH 11: 283-293. 2006
• Mikkonen S, Lehtinen KEJ, Hamed A, Joutsensaari J, Facchini MC, Laaksonen A. 2006. Using discriminant analysis as a nucleation event classification method. ATMOSPHERIC CHEMISTRY AND PHYSICS 6: 5549-5557. 2006
• Romakkaniemi S, Kokkola H, Lehtinen KEJ, Laaksonen A. 2006. The influence of nitric acid on the cloud processing of aerosol particles. ATMOSPHERIC CHEMISTRY AND PHYSICS 6: 1627-1634. 2006
• 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. Connections between atmospheric sulphuric acid and new particle formation during QUEST lll-iV campaigns in Heidelberg and Hyytiälä. ATMOSPHERIC CHEMISTRY AND PHYSICS DISCUSSIONS 6: 10837-10882. 2006
• Mikkonen S, Lehtinen KEJ, Hamed A, Joutsensaari J, Laaksonen A. 2006. Modelling the size distribution of 3-50 Nm particles with generalized models: Vehkamäki H, Bergman T, Julin J, Salonen M, Kulmala M, NOSA 2006 Aerosol symposium, combined with the X Finnish National Aerosol Symposium. Report Series in Aerosol Science. 246-48. 2006
• Kulmala M, Reissell A, Sipilä M, Bonn B, Ruuskanen TM, Lehtinen KEJ, Kerminen V-M, Ström J. 2006. Deep convective clouds as aerosol production engines: role of insoluble organics. JOURNAL OF GEOPHYSICAL RESEARCH D. 111: D17202. 2006
• Kulmala M, Lehtinen KEJ, Laaksonen A. 2006. Cluster activation theory as an explanation of the linear dependence between formation rate of 3 nm particles and sulphuric acid concentration. ATMOSPHERIC CHEMISTRY AND PHYSICS 6: 787-793. 2006
• Kokkola H, Joutsensaari J, Hyppönen N, Lehtinen KEJ, Laaksonen A. 2006. On the hygroscopic growth of ammoniated sulfate particles of non-stoichiometric composition. ATMOSPHERIC CHEMISTRY AND PHYSICS DISCUSSIONS 6: 1-16. 2006
• 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. Nucleation and growth of new particles in Po Valley, Italy. ATMOSPHERIC CHEMISTRY AND PHYSICS DISCUSSIONS 6: 9603-9653. 2006
• Riipinen I, Svenningsson B, Bilde M, Gaman A, Lehtinen KEJ, Kulmala M. 2006. A method for determining thermophysical properties of organic material in aqueous solutions: succinic acid. ATMOSPHERIC RESEARCH 82: 579-590. 2006
• Kulmala M, Petäjä T, Mönkkönen P, Koponen IK, Dal Maso M, Aalto PP, Lehtinen KEJ, Kerminen V-M. 2005. On the growth of nucleation mode particles: source rates of condensable vapor in polluted and clean environments. ATMOSPHERIC CHEMISTRY AND PHYSICS 5: 409-416. 2005
• Sihto S.-L., Kulmala M., Kerminen V-M., Laaksonen A., Lehtinen K.E.J.. 2005. Role of sulphuric acid in particle formation events in Finland, AAAR 2005 Proceedings. 2005
• Romakkaniemi S, Kokkola H, Lehtinen K, Laaksonen A. 2005. The influence of nitric acid on the cloud processing of aerosol particles. ATMOSPHERIC CHEMISTRY AND PHYSICS DISCUSSIONS: 10197-10216. 2005
• Riipinen I., Lehtinen K.E.J., Svenningsson B., Bilde M., Gaman A., Kulmala M.. 2005. A method for determining thermophysical properties of organic material in aqueous solutions:succinic acid. ATMOSPHERIC RESEARCH. 2005
• Mönkkönen P, Maynard PP, Lehtinen KEJ, Hämeri K, Rechkemmer P, Ramachandran G, Prasad B, Kulmala M. 2005. Fine particle number and mass concentration measurements in urban Indian households. SCIENCE OF THE TOTAL ENVIRONMENT 347: 131-147. 2005
• Kulmala M., Lehtinen K.E.J.. 2005. Formation and initial growth of atmospheric aerosols, AAAR 2005 Proceedins. 2005
• Hussein T, Korhonen H, Herrmann E, Hämeri K, Lehtinen KEJ, Kulmala M. 2005. Emission rates due to indoor activities: indoor aerosol model development, evaluation and applications. AEROSOL SCIENCE AND TECHNOLOGY 39: 1111-1127. 2005
• Kulmala M, Lehtinen KEJ, Laaksonen A. 2005. Why formation rate of 3 nm particles dependes lineary on sulphuric acid concentration ATMOSPHERIC CHEMISTRY AND PHYSICS DISCUSSIONS 5: 11277-11293. 2005
• Kulmala M, Lehtinen KEJ, Laakso L, Mordas G, Hämeri K. 2005. On the existence of neutral atmospheric clusters. BOREAL ENVIRONMENT RESEARCH 10: 79-87. 2005
• Korhonen H, Kerminen V-M, Lehtinen KEJ, Kulmala M. 2005. CCN activation and cloud processing in sectional aerosol models with low size resolution. ATMOSPHERIC CHEMISTRY AND PHYSICS 5: 2561-2570. 2005
• Grini A, Korhonen H, Lehtinen KEJ, Isaken ISA, Kulmala M. 2005. A combined photochemistry/aerosol dynamics model: model development and a study of new particle formation. BOREAL ENVIRONMENT RESEARCH 10: 525-541. 2005
• Garrick SC, Lehtinen KEJ, Zachariah MR. 2005. Nanoparticle coagulation via a Navier-Stokes/nodal methodologyI: evolution of the particle field 79. 2005
• Dal Maso M, Kulmala M, Riipinen I, Wagner R, Hussein T, Aalto PP, Lehtinen KEJ. 2005. Formation and growth of fresh atmospheric aerosols: eight years of aerosols size distribution data from SMEAR II, Hyytiälä, Finland. BOREAL ENVIRONMENT RESEARCH 10: 323-336. 2005
• Kerminen V-M, Anttila T, Lehtinen KEJ, Kulmala M. 2004. Parameterization for atmospheric new-particle formation: application to a system involving sulfuric acid and condensable water-soluble organic vapors. AEROSOL SCIENCE AND TECHNOLOGY 38: 1001-1008. 2004