Kari Lehtinen
Dean
Faculty of Science, Forestry and Technology
kari.lehtinen@uef.fi | +358 40 867 7844
Contact via:
Executive Assistant Satu Turunen,
satu.turunen@uef.fi, tel. +358 40 355 3698
Research groups
Publications
207/207 items-
Analysis of atmospheric particle growth based on vapor concentrations measured at the high-altitude GAW station Chacaltaya in the Bolivian Andes
Heitto, Arto; Wu, Cheng; Aliaga, Diego; Blacutt, Luis; Chen, Xuemeng; Gramlich, Yvette; Heikkinen, Liine; Huang, Wei; Krejci, Radovan; Laj, Paolo; Moreno, Isabel; Sellegri, Karine; Velarde, Fernando; Weinhold, Kay; Wiedensohler, Alfred; Zha, Qiaozhi; Bianchi, Federico; Andrade, Marcos; Lehtinen, Kari EJ; Mohr, Claudia; Yli-Juuti, Taina. 2024. Atmospheric chemistry and physics. 24: 1315-1328 A1 Journal article (refereed), original research -
Application of the finite element method to the multicomponent general dynamic equation of aerosols
Salminen, Teemu; Lehtinen, Kari E.J.; Seppänen, Aku. 2023. Journal of aerosol science. 174: A1 Journal article (refereed), original research -
Assessing the climate and air quality effects of future aerosol mitigation in India using a global climate model combined with statistical downscaling
Miinalainen, Tuuli; Kokkola, Harri; Lipponen, Antti; Hyvärinen, Antti-Pekka; Soni, Vijay Kumar; Lehtinen, Kari EJ; Kühn, Thomas. 2023. Atmospheric chemistry and physics. 23: 3471-349 A1 Journal article (refereed), original research -
Opinion: The strength of long-Term comprehensive observations to meet multiple grand challenges in different environments and in the atmosphere
Kulmala, Markku; Lintunen, Anna; Lappalainen, Hanna; Virtanen, Annele; Yan, Chao; Ezhova, Ekaterina; Nieminen, Tuomo; Riipinen, Ilona; Makkonen, Risto; Tamminen, Johanna; Sundström, Anu Maija; Arola, Antti; Hansel, Armin; Lehtinen, Kari; Vesala, Timo; Petäjä, Tuukka; Bäck, Jaana; Kokkonen, Tom; Kerminen, Veli Matti. 2023. Atmospheric chemistry and physics. 23: 14949-14971 A1 Journal article (refereed), original research -
Scientific Overview on SLCPs: Characteristics, Impacts and Uncertainties
Kühn, Thomas; Miinalainen, Tuuli; Kokkola, Harri; Lehtinen, Kari. Teoksessa: Yamineva, Yulia; Kulovesi, Kati; Recio, Eugenia(toim.) , 2023. Reducing Emissions of Short-Lived Climate Pollutants: Perspectives on Law and Governance. s. 14-40. Brill Nijhoff B2 Book section -
Deep-learning-based post-process correction of the aerosol parameters in the high-resolution Sentinel-3 Level-2 Synergy product
Lipponen, Antti; Reinvall, Jaakko; Väisänen, Arttu; Taskinen, Henri; Lähivaara, Timo; Sogacheva, Larisa; Kolmonen, Pekka; Lehtinen, Kari; Arola, Antti; Kolehmainen, Ville. 2022. Atmospheric measurement techniques. 15: 895-914 A1 Journal article (refereed), original research -
Effects of oligomerization and decomposition on the nanoparticle growth: a model study
Heitto, Arto; Lehtinen, Kari; Petäjä, Tuukka; Lopez-Hilfiker, Felipe; Thornton, Joel A; Kulmala, Markku; Yli-Juuti, Taina. 2022. Atmospheric chemistry and physics. 22: 155-171 A1 Journal article (refereed), original research -
Aerosol formation and growth rates from chamber experiments using Kalman smoothing
Ozon, Matthew; Stolzenburg, Dominik; Dada, Lubna; Seppänen, Aku; Lehtinen, Kari E J. 2021. Atmospheric chemistry and physics. 21: 12595-12611 A1 Journal article (refereed), original research -
Application of finite element method to General Dynamic Equation of Aerosols - Comparison with classical numerical approximations
Salminen, Teemu; Lehtinen, Kari E.J.; Kaipio, Jari P.; Russell, Vincent; Seppänen, Aku. 2021. Journal of aerosol science. 2022; 160: 105902 A1 Journal article (refereed), original research -
Combining instrument inversions for sub-10 nm aerosol number size-distribution measurements
Stolzenburg, Dominik; Ozon, Matthew; Kulmala, Markku; Lehtinen, Kari EJ; Lehtipalo, Katrianne; Kangasluoma, Juha. 2021. Journal of aerosol science. 159: 105862 A1 Journal article (refereed), original research -
Comparing the Radiative Forcings of the Anthropogenic Aerosol Emissions From Chile and Mexico
Miinalainen, Tuuli; Kokkola, Harri; Lehtinen, Kari E.; Kühn, Thomas. 2021. Journal of geophysical research : atmospheres. 126: e2020JD033364 A1 Journal article (refereed), original research -
Lidar depolarization ratio of atmospheric pollen at multiple wavelengths
Bohlmann, Stephanie; Shang, Xiaoxia; Vakkari, Ville; Giannakaki, Elina; Leskinen, Ari; Lehtinen, Kari E. J.; Pätsi, Sanna; Komppula, Mika. 2021. Atmospheric chemistry and physics. 21: 7083-7097 A1 Journal article (refereed), original research -
Observations on aerosol optical properties and scavenging during cloud events
Ruuskanen, Antti; Romakkaniemi, Sami; Kokkola, Harri; Arola, Antti; Mikkonen, Santtu; Portin, Harri; Virtanen, Annele; Lehtinen, Kari EJ; Komppula, Mika; Leskinen, Ari. 2021. Atmospheric chemistry and physics. 21: 1683-1695 A1 Journal article (refereed), original research -
Retrieval of process rate parameters in the general dynamic equation for aerosols using Bayesian state estimation: BAYROSOL 1.0
Ozon, Matthew; Seppänen, Aku; Kaipio, Jari P; Lehtinen, Kari EJ. 2021. Geoscientific model development. 14: 3715-3739 A1 Journal article (refereed), original research -
Towards a concentration closure of sub-6 nm aerosol particles and sub-3 nm atmospheric clusters
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. Journal of aerosol science. 159: 105878 A1 Journal article (refereed), original research -
Determination of the collision rate coefficient between charged iodic acid clusters and iodic acid using the appearance time method
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. Aerosol science and technology. 2021; 55: 231-242 A1 Journal article (refereed), original research -
Effects of black carbon mitigation on Arctic climate
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. Atmospheric chemistry and physics. 20: 5527-5546 A1 Journal article (refereed), original research -
Formation and Growth of sub-3-nm Aerosol Particles in Experimental Chambers
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. Nature protocols. 15: 1013-1040 A1 Journal article (refereed), original research -
Ice-nucleating ability of particulate emissions from solid-biomass-fired cookstoves: an experimental study
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. Atmospheric chemistry and physics. 20: 4951-4968 A1 Journal article (refereed), original research -
The Contribution of Black Carbon and Non-BC Absorbers to the Aerosol Absorption Coefficient in Nanjing, China
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. Aerosol and air quality research. 20: 590-605 A1 Journal article (refereed), original research -
The fingerprint of the summer 2018 drought in Europe on ground-based atmospheric CO 2 measurements
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. Philosophical transactions of the Royal Society B: biological sciences. 375: 20190513 A1 Journal article (refereed), original research -
Methane budget estimates in Finland from the CarbonTracker Europe-CH4 data assimilation system
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. Tellus series b: chemical and physical meteorology. 71: 1565030 A1 Journal article (refereed), original research -
Optimization of process models for determining volatility distribution and viscosity of organic aerosols from isothermal particle evaporation data
Tikkanen, Olli-Pekka; Hämäläinen, Väinö; Rovelli, Grazia; Lipponen, Antti; Shiraiwa, Manabu; Reid, Jonathan P; Lehtinen, Kari E J; Yli-Juuti, Taina. 2019. Atmospheric chemistry and physics. 19: 9333-9350 A1 Journal article (refereed), original research -
Technical note: Effects of uncertainties and number of data points on line fitting - a case study on new particle formation
Mikkonen, Santtu; Pitkänen, Mikko RA; Nieminen, Tuomo; Lipponen, Antti; Isokääntä, Sini; Arola, Antti; Lehtinen, Kari EJ. 2019. Atmospheric chemistry and physics. 19: 12531-12543 A1 Journal article (refereed), original research -
A simple model for the time evolution of the condensation sink in the atmosphere for intermediate Knudsen numbers
Ezhova, Ekaterina; Kerminen, Veli-Matti; Lehtinen, Kari E J; Kulmala, Markku. 2018. Atmospheric chemistry and physics. 18: 2431-2442 A1 Journal article (refereed), original research -
Combined effects of boundary layer dynamics and atmospheric chemistry on aerosol composition during new particle formation periods
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. Atmospheric chemistry and physics. 18: 17705-17716 A1 Journal article (refereed), original research -
Emissions and atmospheric processes influence the chemical composition and toxicological properties of urban air particulate matter in Nanjing, China
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. Science of the total environment. 639: 1290-1310 A1 Journal article (refereed), original research -
Hygroscopicity of dimethylaminium-, sulfate-, and ammonium-containing nanoparticles
Tikkanen, Olli-Pekka; Väisänen, Olli; Hao, Liqing; Holopainen, Eemeli; Wang, Hao; Lehtinen, Kari E J; Virtanen, Annele; Yli-Juuti, Taina. 2018. Aerosol science and technology. 52: 971-983 A1 Journal article (refereed), original research -
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. 18: 9597-9615 A1 Journal article (refereed), original research -
PM2.5 concentration and composition in the urban air of Nanjing, China: Effects of emission control measures applied during the 2014 Youth Olympic Games
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. Science of the total environment. 2019; 652: 1-18 A1 Journal article (refereed), original research -
Resolving nanoparticle growth mechanisms from size- and time-dependent growth rate analysis
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. Atmospheric chemistry and physics. 18: 1307-1323 A1 Journal article (refereed), original research -
Robust metric for quantifying the importance of stochastic effects on nanoparticle growth
Olenius, Tinja; Pichelstorfer, Lukas; Stolzenburg, Dominik; Winkler, PaulM; Lehtinen, Kari EJ; Riipinen, Ilona. 2018. Scientific reports. 8: 14160 A1 Journal article (refereed), original research -
SALSA2.0: The sectional aerosol module of the aerosol-chemistry-climate model ECHAM6.3.0-HAM2.3-MOZ1.0
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. Geoscientific model development. 11: 3833-3863 A1 Journal article (refereed), original research -
Terpene Composition Complexity Controls Secondary Organic Aerosol Yields from Scots Pine Volatile Emissions
Faiola, CL; Buchholz, A; Kari, E; Yli-Pirilä, P; Holopainen, JK; Kivimäenpää, M; Miettinen, P; Worsnop, DR; Lehtinen, KEJ; Guenther, AB; Virtanen, A. 2018. Scientific reports. 8: 3053 A1 Journal article (refereed), original research -
Volatile Organic Compounds from Logwood Combustion: Emissions and Transformation under Dark and Photochemical Aging Conditions in a Smog Chamber
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. Environmental science and technology. 52: 4979-4988 A1 Journal article (refereed), original research -
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. 17: 13361-13371 A1 Journal article (refereed), original research -
Factors controlling the evaporation of secondary organic aerosol from alfa-pinene ozonolysis
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. Geophysical research letters. 44: 2562-2570 A1 Journal article (refereed), original research -
Analytical expression for gas-particle equilibration time scale and its numerical evaluation
Anttila Tatu, Lehtinen Kari EJ, Dal Masoa Miikka. 2016. Atmospheric environment. 133: 34-40 A1 Journal article (refereed), original research -
Artificial bias typically neglected in comparisons of uncertain atmospheric data
Pitkänen Mikko RA, Mikkonen Santtu, Lehtinen Kari EJ, Lipponen Antti, Arola Antti. 2016. Geophysical research letters. 43: 10003-10011 A1 Journal article (refereed), original research -
Growth of atmospheric clusters involving cluster-cluster collisions: comparison of different growth rate methods
Kontkanen Jenni, Olenius Tinja, Lehtipalo Katrianne, Vehkamäki Hanna, Kulmala Markku, Lehtinen Kari E.J. 2016. Atmospheric chemistry and physics. 16: 5545-5560 A1 Journal article (refereed), original research -
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. 16: 293-304 A1 Journal article (refereed), original research -
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. 9: 2741-2754 A1 Journal article (refereed), original research -
In-cloud measurements highlight the role of aerosol hygroscopicity in cloud droplet formation
Väisänen Olli, Ruuskanen Antti, Ylisirniö Arttu, Miettinen Pasi, Portin Harri, Hao Liqing, Leskinen Ari, Komppula Mika, Romakkaniemi Sami, Lehtinen Kari EJ, Virtanen Annele. 2016. Atmospheric chemistry and physics. 16: 10385-10398 A1 Journal article (refereed), original research -
Radiative and climate impacts of a large volcanic eruption during stratospheric sulfur geoengineering
Laakso A, Kokkola H, Partanen A.-I, Niemeier U, Timmreck C, Lehtinen KEJ, Hakkarainen H, Korhonen H. 2016. Atmospheric chemistry and physics. 16: 305-323 A1 Journal article (refereed), original research -
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
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. Atmospheric chemistry and physics. 16: 8181-8191 A1 Journal article (refereed), original research -
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
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. Atmospheric chemistry and physics. 16: 13251-13269 A1 Journal article (refereed), original research -
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. 42: 3063-3068 A1 Journal article (refereed), original research -
Characterization and testing of a new environmental chamber
Leskinen A, Yli-Pirilä P, Kuuspalo K, Sippula O, Jalava P, Hirvonen M-R, Jokiniemi J, Virtanen A, Komppula M, Lehtinen KEJ. 2015. Atmospheric measurement techniques. 8: 2267-2278 A1 Journal article (refereed), original research -
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. 142: 11102 A1 Journal article (refereed), original research -
Extrapolating particle concentration along the size axis in the nanometer size range requires discrete rate equations
Olenius Tinja, Kupiainen-Määttä Oona, Lehtinen Kari EJ, Vehkamäki Hanna. 2015. Journal of aerosol science. 90: 1-13 A1 Journal article (refereed), original research -
From nuclear power to coal power: Aerosol-induced health and radiative effects
Mielonen Tero, Laakso Anton, Karhunen Anni, Kokkola Harri, Partanen Antti-Ilari, Korhonen Hannele, Romakkaniemi Sami, Lehtinen Kari EJ. 2015. Journal of geophysical research : atmospheres. 120: 12631-12643 A1 Journal article (refereed), original research -
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. 120: 9606-9624 A1 Journal article (refereed), original research -
MATCH-SALSA - Multi-scale Atmospheric Transport and CHemistry model coupled to the SALSA aerosol microphysics model - Part 1: Model description and evaluation
Andersson C, Bergström R, Bennet C, Robertson L, Thomas M, Korhonen H, Lehtinen KEJ, Kokkola H. 2015. Geoscientific model development. 8: 171-189 A1 Journal article (refereed), original research -
One year of Raman lidar observations of free-tropospheric aerosol layers over South Africa
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. Atmospheric chemistry and physics. 15: 5429-5442 A1 Journal article (refereed), original research -
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. 14: 13483-13495 A1 Journal article (refereed), original research -
Characterization and testing of a new environmental chamber designed for emission aging studies
Leskinen A, Yli-Pirilä P, Kuuspalo K, Sippula O, Jalava P, Hirvonen M-R, Jokiniemi J, Virtanen A, Komppula M, Lehtinen KEJ. 2014. Atmospheric measurement techniques discussions. 7: 5921-5951 A1 Journal article (refereed), original research -
Comparing ECMWF AOD with AERONET observations at visible and UV wavelengths
Cesnulyte Vaida, Lindfors Anders V, Pitkänen Mikko R A, Lehtinen Kari E J, Morcrette J-J, Arola Antti. 2014. Atmospheric chemistry and physics. 14: 593-608 A1 Journal article (refereed), original research -
Critical cluster size cannot in practice be determined by slope analysis in atmospherically relevant applications
Kupiainen-Määttä Oona, Olenius Tinja, Korhonen Hannele, Malila Jussi, Dal Maso Miikka, Lehtinen Kari, Vehkamäki Hanna. 2014. Journal of aerosol science. 77: 127-144 A1 Journal article (refereed), original research -
Effect of water vapor on the determination of aerosol direct radiative effect based on the AERONET fluxes
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. Atmospheric chemistry and physics. 14: 6103-6110 A1 Journal article (refereed), original research -
Estimating atmospheric nucleation rates from size distribution measurements: Analytical equations for the case of size dependent growth rates
Korhonen Hannele, Kerminen Veli-Matti, Kokkola Harri, Lehtinen Kari E J. 2014. Journal of aerosol science. 69: 13-20 A1 Journal article (refereed), original research -
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. 7: 1351-1375 A1 Journal article (refereed), original research -
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. 7: 161-174 A1 Journal article (refereed), original research -
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. 58: 27-47 A1 Journal article (refereed), original research -
Role of microbial and chemical composition in toxicological properties of indoor and outdoor air particulate matter
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. Particle and fibre toxicology. 11: 1-18 A1 Journal article (refereed), original research -
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. 19: 343-354 A1 Journal article (refereed), original 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. 14: 6021-6034 A1 Journal article (refereed), original research -
The role of low volatile organics on secondary organic aerosol formation
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. Atmospheric chemistry and physics. 14: 1689-1700 A1 Journal article (refereed), original research -
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. 47: 2645-2653 A1 Journal article (refereed), original research -
Characterization of Chemical and Microbial Species from Size-Segregated Indoor and Outdoor Particulate Samples
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. Aerosol and air quality research. 13: 1212-1230 A1 Journal article (refereed), original research -
Climate and air quality trade-offs in altering ship fuel sulfur content
Partanen AI, Laakso A, Schmidt A, Kokkola H, Kuokkanen T, Pietikäinen J-P, Kerminen V-M, Lehtinen KEJ, Laakso L, Korhonen H. 2013. Atmospheric chemistry and physics. 13: 12059-12071 A1 Journal article (refereed), original research -
Determination of the size distribution of recombination products from atmospheric measurements
Kontkanen J, Nieminen T, Manninen H, Lehtipalo K, Kerminen V-M, Lehtinen Kari EJ, Kulmala Markku. Teoksessa: DeMott, Paul J and O'Dowd, Colin D(toim.) , 2013. NUCLEATION AND ATMOSPHERIC AEROSOLS: 19th International Conference. s. 238-241. American Institute of Physics B3 Non-refereed conference proceedings -
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. 22: 943-946 A1 Journal article (refereed), original research -
Estimating the Viscosity Range of SOA Particles Based on Their Coalescence Time
Pajunoja Aki, Malila Jussi, Hao Liqing, Joutsensaari Jorma, Lehtinen Kari E J, Virtanen Annele. 2013. Aerosol science and technology. 48: i-iv A1 Journal article (refereed), original research -
Estimating the contribution of ion-ion recombination to sub-2 nm cluster concentrations from atmospheric measurements
Kontkanen Jenni, Lehtinen, Kari E J, Nieminen Tuomo, Manninen Hanna E, Lehtipalo Katrianne, Kerminen, Veli-Matti, Kulmala Markku. 2013. Atmospheric chemistry and physics. 13: 11391-11401 A1 Journal article (refereed), original research -
Influence of observed diurnal cycles of aerosol optical depth on aerosol direct radiative effect
Arola Antti, Eck T F, Huttunen J, Lehtinen Kari E J, Lindfors Anders V, Myhre G, Smirnov A, Tripathi S N, Yu H. 2013. Atmospheric chemistry and physics. 13: 7895-7901 A1 Journal article (refereed), original research -
Log-log slope analyses of simulated particle formation events at different conditions
Korhonen Hannele, Malila Jussi, Vehkamäki, Hanna, Kerminen, Veli-Matti, Lehtinen Kari EJ. Teoksessa: DeMott, Paul J and O'Dowd, Colin D(toim.) , 2013. NUCLEATION AND ATMOSPHERIC AEROSOLS: 19th International Conference. s. 234-237. American Institute of Physics A4 Conference proceedings -
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. 65: 20138 A1 Journal article (refereed), original research -
Repairing the first nucleation theorem: Precritical cluster losses
Malila Jussi, McGraw R, Laaksonen Ari, Lehtinen Kari EJ. Teoksessa: DeMott, Paul J and O'Dowd, Colin D(toim.) , 2013. NUCLEATION AND ATMOSPHERIC AEROSOLS: 19th International Conference. s. 31-34. American Institute of Physics A4 Conference proceedings -
Seasonal variation in the toxicological properties of size-segregated indoor and outdoor air particulate matter
Happo MS, Markkanen A, Markkanen P, Jalava P, Kuuspalo K, Leskinen A, Sippula O, Lehtinen K, Jokiniemi J, Hirvonen M-R. 2013. Toxicology in vitro. 27: 1550-1561 A1 Journal article (refereed), original research -
The effect of early growth dynamics on determining particle formation rates of a nucleating burst
Dal Maso Miikka, Korhonen Hannele, Lehtinen Kari EJ, Vehkamäki Hanna. Teoksessa: DeMott, Paul J and O'Dowd, Colin D(toim.) , 2013. NUCLEATION AND ATMOSPHERIC AEROSOLS: 19th International Conference. s. 250-253. American Institute of Physics A4 Conference proceedings -
Using measurements of the aerosol charging state in determination of the particle growth rate and the proportion of ion-induced nucleation.
Leppä Johannes, Gagné Stefanie, Laakso Lauri, Manninen Hanna E, Lehtinen Kari E J, Kulmala Markku, Kerminen Veli-Matti. 2013. Atmospheric chemistry and physics. 13: 463-486 A1 Journal article (refereed), original research -
A method to study agglomerate breakup and bounce during impaction
Ihalainen Mika, Lind Terttaliisa, Torvela Tiina, Lehtinen Kari, Jokiniemi Jorma. 2012. Aerosol science and technology. 46: 990-1001 A1 Journal article (refereed), original research -
A numerical comparison of different methods for determining the particle formation rate
Vuollekoski Henri, Sihto Sanna-Liisa, Kerminen Veli-Matti, Kulmala Markku, Lehtinen Kari EJ. 2012. Atmospheric chemistry and physics. 12: 2289-2295 A1 Journal article (refereed), original research -
A review of operational, regional-scale, chemical weather forecasting models in Europe
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. Atmospheric chemistry and physics. 12: 1-87 A1 Journal article (refereed), original research -
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. 47: 269-278 A1 Journal article (refereed), original research -
Biomass burning aerosols observed in Eastern Finland during the Russian wildfires in summer 2010 - Part 2: Remote sensing
Mielonen Tero, Portin Harri, Komppula Mika, Leskinen Ari, Tamminen J, Ialongo I, Hakkarainen J, Lehtinen Kari E J, Arola Antti. 2012. Atmospheric environment. 47: 279-287 A1 Journal article (refereed), original research -
Cloud Condensation Nucleus Production from Nucleation Events at a Semi-Rural Environment: Puijo station, Eastern Finland
Amar Hamed, Mika Komppula, Harri Portin, Ari Leskinen, Sami Romakkaniemi, Kari Lehtinen, James Smith, Jorma Joutsensaari and Ari Laaksonen:. 2012. -
Direct and indirect effects of sea spray geoengineering and the role of injected particle size
Partanen Antti-Ilari, Kokkola Harri, Romakkaniemi Sami, Kerminen Veli-Matti, Lehtinen Kari E. J., Bergman Tommi, Arola Antti, Korhonen Hannele. 2012. Journal of geophysical research. 117: D2 A1 Journal article (refereed), original research -
Evaluation of the sectional aerosol microphysics module SALSA implementation in ECHAM5-HAM aerosol-climate model
Bergman Tommi, Kerminen Veli-Matti, Korhonen Hannele, Lehtinen Kari E J, Makkonen Risto, Arola Antti, Mielonen Tero, Romakkaniemi Sami, Kulmala Markku, Kokkola Harri. 2012. Geoscientific model development. 5: 845-868 A1 Journal article (refereed), original research -
Impaction dynamics of TiO2 agglomerates with different properties
Ihalainen Mika, Lind Terttaliisa, Torvela Tiina, Lehtinen Kari, Jokiniemi Jorma. 2012. -
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. 48: 104-112 A1 Journal article (refereed), original research -
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. 7: 1651-1667 A1 Journal article (refereed), original research -
Operational chemical weather forecasting models on a regional scale in Europe
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. Teoksessa: Steyn, Douw G.; Trini Castelli, Silvia(toim.) , 2012. Air Pollution Modelling and its Application XXI. s. 359-366. Springer Science+Business Media A3 Book section, Chapters in research books -
Quantitative Characterization of Critical nanoclusters nucleated on large single molecules
Winkler Paul M, Vrtala A, Steiner G, Wimmer D, Vehkamäki Hanna, Lehtinen Kari EJ, Reischl G P, Kulmala Markku, Wagner P. 2012. Physical review letters. 108: 85701 A1 Journal article (refereed), original research -
Rethinking the application of the first nucleation theorem to particle formation
Vehkamäki Hanna, McGrath Matthew J., Kurtén Theo, Julin Jan, Lehtinen Kari E. J., Kulmala Markku. 2012. Journal of chemical physics. 136: 94107 A1 Journal article (refereed), original research -
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. 12: 5647-5659 A1 Journal article (refereed), original research -
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. 7: 34021 A1 Journal article (refereed), original research -
Surfactant effects in global simulations of cloud droplet activation
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. Geophysical research letters. 39: - A1 Journal article (refereed), original research -
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
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. Atmospheric chemistry and physics. 12: 4513-4524 A1 Journal article (refereed), original research -
A statistical proxy for sulphuric acid concentration
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. Atmospheric chemistry and physics. 11: 11319-11334 A1 Journal article (refereed), original research -
Aerosol black carbon at five background measurement sites over Finland, a gateway to the Arctic.
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. Atmospheric environment. 45: 4042-4050 A1 Journal article (refereed), original research -
Atmospheric new particle formation: real and apparent growth of neutral and charged particles
Leppä J, Anttila Tatu, Kerminen Veli-Matti, Kulmala Markku & Lehtinen Kari EJ. 2011. Atmospheric chemistry and physics. 11: 4939-4955 A1 Journal article (refereed), original research -
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. -
Development and evaluation of the aerosol dynamic and gas phase chemistry model ADCHEM
Roldin Pontus, Swietlicki Erik, Schurgers G, Arneth A, Lehtinen Kari EJ, Boy Michael & Kulmala Markku. 2011. Atmospheric chemistry and physics. 11: 5867-5896 A1 Journal article (refereed), original research -
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. 11: 13061-13143 A1 Journal article (refereed), original research -
Evaluating the assumptions of surface reflectance and aerosol type selection within the MODIS aerosol retrieval over land: the problem of dust type selection
Mielonen Tero, Levy RC, Aaltonen V, Komppula Mika, de Leeuw G, Huttunen Jani, Lihavainen H, Kolmonen P, Lehtinen Kari EJ, & Arola, Antti. 2011. Atmospheric measurement techniques. 4: 201-214 A1 Journal article (refereed), original research -
Evaluation of the accuracy of analysis tools for atmospheric new particle formation
Korhonen Hannele, Sihto Sanna-Liisa, Kerminen Veli-Matti & Lehtinen Kari EJ. 2011. Atmospheric chemistry and physics. 11: 3051-3066 A1 Journal article (refereed), original research -
General overview: European Integrated projects on aerosol cloud climate and air quality interactions (EUCAARI) ¿ Integrating aerosols research from nano to global scales
M. Kulmala, et al., Laaksonen, A., Lehtinen, K.E.J., A. Vaattovaara, P. et al.. 2011. Report series in aerosol science. 126: 192-198 D1 Article in a trade journal -
Low-temperature aerosol flow reactor method for preparation of surface stabilized pharmaceutical nanocarriers
Torvela Tiina, Lähde Anna, Mönkäre Juha, Riikonen Joakim, Lehtinen Kari E.J., Järvinen Kristiina, Lehto Vesa-Pekka, Jokiniemi Jorma, Joutsensaari Jorma. 2011. Journal of aerosol science. 42: 645-656 A1 Journal article (refereed), original research -
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. 4: 1-13 A1 Journal article (refereed), original research -
Statistical proxy for sulphuric acid concentration
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. Teoksessa: Markku Kulmala, Jaana Bäck, Hanna K. Lappalainen and Tuomo Nieminen(toim.) , 2011. 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. s. 261-264. A4 Conference proceedings -
The first estimates of global nucleation mode aerosol concentrations based on satellite measurements
Kulmala Markku, Arola Antti, Nieminen Tuomo, Riuttanen L, Sogacheva L, de Leeuw G, Kerminen Veli-Matti, Lehtinen Kari EJ. 2011. Atmospheric chemistry and physics. 11: 10791-10801 A1 Journal article (refereed), original research -
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. 116: D03202, 12 PP A1 Journal article (refereed), original research -
A multi-year comparison of PM2.5 and AOD for the Helsinki region.
Natunen A, Arola A, Mielonen T, Huttunen J, Komppula M & Lehtinen KEJ. 2010. Boreal environment research. 15: 544-552 A1 Journal article (refereed), original research -
Atmospheric nucleation and initial steps of particle growth: Numerical comparison of different theories and hypotheses
Vuollekoski H, Nieminen T, Paasonen P, Sihto SL, Boy M, Manninen H, Lehtinen KEJ, Kerminen VM & Kulmala M. 2010. Atmospheric research. 98: 229-236 A1 Journal article (refereed), original research -
Atmospheric nucleation: highlights of the EUCAARI project and future directions
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, Petzold A, Minikin A, Plass-Dülmer C, Pöschl U, Laaksonen A & Kulmala M. 2010. Atmospheric chemistry and physics. 10: 10829-10848 A1 Journal article (refereed), original research -
Changes in the production rate of secondary aerosol particles in Central Europe in view of decreasing SO2 emissions between 1996 and 2006
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. Atmospheric chemistry and physics. 10: 1071-1091 A1 Journal article (refereed), original research -
MECCO: A method to estimate concentrations of condensing organics¿Description and evaluation of a Markov chain Monte Carlo application
Vuollekoski H, Boy M, Kerminen VM, Lehtinen KEJ & Kulmala M. 2010. Journal of aerosol science. 41: 1080-1089 A1 Journal article (refereed), original research -
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 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. Teoksessa: Markku Kulmala, Hanna K. Lappalainen, Ari Asmi and Tuomo Nieminen(toim.) , 2010. Proceedings of 2010 EUCAARI Annual Meeting, Helsinki 22.11-26.11.2010. s. 211-215. A4 Conference proceedings -
Parameterizing the formation rate of new particles: The effect of nuclei self-coagulation
Anttila T, Kerminen VM & Lehtinen KEJ. 2010. Journal of aerosol science. 41: 621-636 A1 Journal article (refereed), original research -
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. 44: 976-986 A1 Journal article (refereed), original research -
Sub-10 nm particle growth by vapor condensation ¿ effects of vapor molecule size and particle thermal speed
Nieminen T, Lehtinen KEJ & Kulmala M. 2010. Atmospheric chemistry and physics. 10: 9773-9779 A1 Journal article (refereed), original research -
The effects of housing conditions and outdoor air on characteristics of indoor air particulate matter: Toxicological characterization of PM size fractions
Markkanen A, Kuuspalo K, Komppula M, Jokiniemi J, Lehtinen K, Männikkö J-P, Markkanen P, Meklin T & Hirvonen M-R. 2010. -
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. 14: 481-498 A1 Journal article (refereed), original research -
Aerosol dynamics simulations on the connection of sulphuric acid and new particle formation
Sihto S-L, Vuollekoski H, Leppä J, Riipinen I, Kerminen V-M, Korhonen H, Lehtinen KEJ, Boy M, Kulmala M. 2009. Atmospheric chemistry and physics. 9: 2933-2947 A1 Journal article (refereed), original research -
Aerosol-cloud interactions at Puijo semi-urban measurement station
Portin HJ, Komppula M, Leskinen A, Romakkaniemi S, Laaksonen A, Lehtinen K E J. Teoksessa: Kulmala M, Bäck J, Nieminen T, Lauri A(toim.) , 2009. Proceedings of the Finnish Center of Excellence and Graduate School in Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change Annual Workshop. s. 352-355. A4 Conference proceedings -
Comparison of CALIOP level 2 aerosol subtypes to aerosol types derived from AERONET inversion data
Mielonen T, Arola A, Komppula M, Kukkonen J, Koskinen J, de LEEUW G, Lehtinen KEJ. 2009. Geophysical research letters. 36: L18804 A1 Journal article (refereed), original research -
Comparison of caliop level 2 aerosol subtypes to aerosol types derived from aeronet inversion data
Mielonen T, Arola A, Komppula M, Kukkonen J, Koskinen J, De Leeuw G, Lehtinen KEJ. Teoksessa: Kulmala M, Bäck J, Nieminen T, Lauri A(toim.) , 2009. Proceedings of the Finnish Center of Excellence and Graduate School in Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change Annual Workshop. s. 289-294. A4 Conference proceedings -
Gas-particle distribution of PAHs in wood combustion emission determined with annular denuders, filter, and polyurethane foam adsorbent
Hytönen K, Yli-Pirilä P, Tissari J, Gröhn A, Riipinen I, Lehtinen KEJ, Jokiniemi J. 2009. Aerosol science and technology. 43: 442-454 A1 Journal article (refereed), original research -
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. Teoksessa: (toim.) , 2009. Nucleation and Atmospheric Aerosols 18th International Conference. s. 464-467. ICPF ASCR, v.v.i. and CAS A4 Conference proceedings -
Intercomparison of aerosol modules in the framework of ECHAM5 climate model
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. Teoksessa: Kulmala M, Bäck J, Nieminen T, Lauri A(toim.) , 2009. Proceedings of the Finnish Center of Excellence and Graduate School in Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change Annual Workshop. s. 184-189. A4 Conference proceedings -
Ion-UHMA: a model for simulating the dynamics of neutral and charged aerosol particles
Leppä J, Kerminen V-M, Laakso L, Korhonen H, Lehtinen KEJ, Gagne S, Manninen HE, Nieminen T, Kulmala M. 2009. Boreal environment research. 14: 559-575 A1 Journal article (refereed), original research -
Observations of aerosol-cloud interactions at Puijo semi-urban measurement station
Portin HJ, Komppula M, Leskinen A, Romakkaniemi S, Laaksonen A, Lehtinen KEJ. Teoksessa: (toim.) , 2009. Nucleation and Atmospheric Aerosols 18th International Conference. s. 383-386. ICPF ASCR, v.v.i. and CAS A4 Conference proceedings -
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. 14: 641-653 A1 Journal article (refereed), original research -
Optimization of geoengineering by using one dimensional aerosol-climate model
Partanen AI, Korhonen H, Kazil J, Niemeier U, Timmreck C, Lehtinen KEJ, Feichter J, Kokkola H. Teoksessa: Kulmala M, Bäck J, Nieminen T, Lauri A(toim.) , 2009. Proceedings of the Finnish Center of Excellence and Graduate School in Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change Annual Workshop. s. 335-337. A4 Conference proceedings -
Optimization of sulphur injections to the stratosphere: 1-D model study on artificially produced stratospheric sulphate aerosol
Partanen A-I, Korhonen H, Kazil J, Niemeier U, Timmreck C, Lehtinen KEJ, Feichter J, Kokkola H. Teoksessa: (toim.) , 2009. Nucleation and Atmospheric Aerosols 18th International Conference. s. 922-925. ICPF ASCR, v.v.i. and CAS A4 Conference proceedings -
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. 14: 576-590 A1 Journal article (refereed), original 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. Teoksessa: (toim.) , 2009. Nucleation and Atmospheric Aerosols 18th International Conference. s. 858-861. ICPF ASCR, v.v.i. and CAS A4 Conference proceedings -
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. Teoksessa: Kulmala M, Bäck J, Nieminen T, Lauri A(toim.) , 2009. Proceedings of the Finnish Center of Excellence and Graduate School in Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change Annual Workshop. s. 247-250. A4 Conference proceedings -
Reduction of fine particle emissions from wood combustion with optimized condensing heat exchangers
Gröhn A, Suonmaa V, Auvinen A, Lehtinen KEJ, Jokiniemi J. 2009. Environmental science and technology. 43: 6269-6274 A1 Journal article (refereed), original research -
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. Teoksessa: (toim.) , 2009. Nucleation and Atmospheric Aerosols 18th International Conference. s. 849-852. ICPF ASCR, v.v.i. and CAS A4 Conference proceedings -
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. Teoksessa: Kulmala M, Bäck J, Nieminen T, Lauri A(toim.) , 2009. Proceedings of the Finnish Center of Excellence and Graduate School in Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change Annual Workshop. s. 410-414. A4 Conference proceedings -
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. 9: 1747-1766 A1 Journal article (refereed), original research -
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. Teoksessa: Kulmala M, Bäck J, Nieminen T, Lauri A(toim.) , 2009. Proceedings of the Finnish Center of Excellence and Graduate School in Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change Annual Workshop. s. 303-306. A4 Conference proceedings -
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. Teoksessa: Kulmala M, Bäck J, Nieminen T, Lauri A(toim.) , 2009. Proceedings of the Finnish Center of Excellence and Graduate School in Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change Annual Workshop. s. 151-155. A4 Conference proceedings -
The plant flow chamber simulation using a condensational growth model
Vesterinen M, Lehtinen KEJ, Korhonen H, Joutsensaari J. Teoksessa: Kulmala M, Bäck J, Nieminen T, Lauri A(toim.) , 2009. Proceedings of the Finnish Center of Excellence and Graduate School in Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change". Annual Workshop". s. 462-465. A4 Conference proceedings -
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. : 37-39 D1 Article in a trade journal -
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. : 127-130 D1 Article in a trade journal -
Aerosol dynamics simulations on the connection of sulphuric acid and new particle formation
Sihto S-L, Vuollekoski H, Leppä J, Riipinen I, Kerminen V-M, Korhonen H, Lehtinen KEJ, Boy M, Kulmala M. 2008. ATMOSPHERIC CHEMISTRY AND PHYSICS DISCUSSIONS. 8: 11363-11395 A1 Journal article (refereed), original research -
Duration of tangent-linear regime in sectional multi-component aerosol dynamics
Viskari T, Järvinen H, Anttila T, Kerminen V-M, Lehtinen KEJ, Korhonen H, Sihto S-L, Kulmala M. 2008. Journal of aerosol science. 39: 723-736 A1 Journal article (refereed), original research -
Effect of aerosols on the infrared transmission in Lakiala, Finland
Mielonen T, Kaurila T, Arola A, Lihavainen H, Komppula M, Lehtinen KEJ. 2008. Atmospheric environment. 42: 2603-2610 A1 Journal article (refereed), original research -
Finding factors affecting to the number concentration of atmospheric aerosol with advanced statistical methods
Mikkonen S, Lehtinen KEJ, Hamed A, Joutsensaari J, Laaksonen A. Teoksessa: (toim.) , 2008. NOSA Aerosol Symposium. s. 77-78. A4 Conference proceedings -
Growth of nucleation mode particles: source rates of condensable vapour in a smog chamber
Leskinen AP, Kulmala M, Lehtinen KEJ. 2008. Atmospheric environment. 42: 7405-7411 A1 Journal article (refereed), original research -
Heterogeneous nucleation experiments bridging the scale from molecular ion clusters to nanoparticles
Winkler PM, Steiner G, Vrtala A, Vehkamäki H, Noppel M, Lehtinen KEJ, Reischl GP, Wagner PE, Kulmala M. 2008. Science. 319: 1374-1377 A1 Journal article (refereed), original research -
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. Teoksessa: Markku Kulmala, Jaana Bäck, and Martta Salonen(toim.) , 2008. 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``. s. 158-161. A3 Book section, Chapters in research books -
Nucleation
Laaksonen A, Lehtinen KEJ. Teoksessa: Colbeck I(toim.) , 2008. Environmental Chemistry of Aerosols. s. 31-46. Blackwell Publishing A3 Book section, Chapters in research books -
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. Teoksessa: (toim.) , 2008. NOSA Aerosol Symposium. s. 39-40. A4 Conference proceedings -
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. 8: 2469-2483 A1 Journal article (refereed), original research -
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. 8: 7255-7264, 2008 A1 Journal article (refereed), original research -
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. 8: 10955-10998 A1 Journal article (refereed), original research -
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. 8: 1985-1988 A1 Journal article (refereed), original research -
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. 8: 2657-2665 A1 Journal article (refereed), original research -
A case study on biomass burning aerosols: effects on aerosol optical properties and surface radiation levels
Arola A, Lindfors A, Natunen A, Lehtinen KEJ. 2007. Atmospheric chemistry and physics. 7: 4257-4266 A1 Journal article (refereed), original research -
Adipic and malonic acid aqueous solutions: surface tensions and saturation vapor pressures
Riipinen I, Koponen IK, Frank GP, Hyvärinen A-P, Vanhanen J, Lihavainen H, Lehtinen KEJ, Bilde M, Kulmala M. 2007. Journal of physical chemistry a. 111: 12995-13002 A1 Journal article (refereed), original research -
Analysing the number concentration of 50 nm particles with multivariate mixed effects model
Mikkonen S, Lehtinen KEJ, Hamed A, Joutsensaari J, Laaksonen A. Teoksessa: Colin O'Dowd and Paul Wagner(toim.) , 2007. Nucleation and Atmospheric Aerosols, Proceedings of the 17th international ICNAA Conference. s. 1008-1012. Springer A4 Conference proceedings -
Characterization of aging wood chip combustion aerosol in an environmental chamber
Leskinen AP, Jokiniemi JK, Lehtinen KEJ. 2007. Atmospheric environment. 41: 3713-3721 A1 Journal article (refereed), original research -
Charging state of the atmospheric nucleation mode: implications for separating neutral and ion-induced nucleation
Kerminen V-M, Anttila T, Petäjä T, Laakso L, Gagné S, Lehtinen KEJ, Kulmala M. 2007. Journal of geophysical research. 112: 12 s A1 Journal article (refereed), original research -
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. 7: 1899-1914 A1 Journal article (refereed), original research -
Effect of particle phase oligomer formation on aerosol growth
Vesterinen M, Lehtinen KEJ, Kulmala M, Laaksonen A. 2007. Atmospheric environment. 41: 1768-1776 A1 Journal article (refereed), original research -
Estimating nucleation rates from apparent particle formation rates and vice versa: revised formulation of the Kerminen - Kulmala equation
Lehtinen KEJ, Dal Maso M, Kulmala M, Kerminen V-M. 2007. Journal of aerosol science. 38: 988-994 A1 Journal article (refereed), original research -
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. Teoksessa: O'Dowd CD, Wagner PE(toim.) , 2007. Nucleation and Atmospheric Aerosols, 17th International Conference, ICNAA 2007. s. 561-564. Springer A4 Conference proceedings -
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. Teoksessa: (toim.) , 2007. Solas Open Science Conference. s. 202-203. A4 Conference proceedings -
Size distributions of atmospheric ions inside clouds and in cloud-free air at a remote continental site
Lihavainen H, Komppula M, Kerminen V-M, Järvinen H, Viisanen Y, Lehtinen K, Vana M, Kulmala M. 2007. Boreal environment research. 12: 337-344 A1 Journal article (refereed), original research -
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. 7: 7819-7841 A1 Journal article (refereed), original research -
Toward direct measurement of atmospheric nucleation
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. Science. 318: 89-92 A1 Journal article (refereed), original research -
Transformation of diesel engine exhaust in an environmental chamber
Leskinen AP, Jokiniemi JK, Lehtinen KEJ. 2007. Atmospheric environment. 41: 8865-8873 A1 Journal article (refereed), original research -
A method for determining thermophysical properties of organic material in aqueous solutions: succinic acid
Riipinen I, Svenningsson B, Bilde M, Gaman A, Lehtinen KEJ, Kulmala M. 2006. Atmospheric research. 82: 579-590 A1 Journal article (refereed), original research -
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. 6: 4079-4091 A1 Journal article (refereed), original research -
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. 6: 787-793 A1 Journal article (refereed), original research -
Condensation of water vapor: experimental determination of mass and thermal accommodation coefficients
Winkler PM, Vrtala A, Rudolf R, Wagner PE, Riipinen I, Vesala T, Lehtinen KEJ, Viisanen Y, Kulmala M. 2006. Journal of geophysical research. 111: D19202 A1 Journal article (refereed), original research -
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. 6: 10837-10882 A1 Journal article (refereed), original research -
Deep convective clouds as aerosol production engines: role of insoluble organics
Kulmala M, Reissell A, Sipilä M, Bonn B, Ruuskanen TM, Lehtinen KEJ, Kerminen V-M, Ström J. 2006. Journal of geophysical research. 111: D17202 A1 Journal article (refereed), original research -
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. Teoksessa: Vehkamäki H, Bergman T, Julin J, Salonen M, Kulmala M(toim.) , 2006. NOSA 2006 Aerosol symposium, combined with the X Finnish National Aerosol Symposium. s. 394-398. A4 Conference proceedings -
Fine particle emissions from milled peat production
Tissari JM, Yli-Tuomi T, Raunemaa TM, Tiitta PT, Nuutinen JP, Willman PK, Lehtinen KEJ, Jokiniemi JK. 2006. Boreal environment research. 11: 283-293 A1 Journal article (refereed), original research -
Is nucleation capable of explaining observed aerosol integral number increase during southerly transport over Scandinavia?
Tunved P, Korhonen H, Ström J, Hansson H-C, Lehtinen KEJ, Kulmala M. 2006. Tellus series b: chemical and physical meteorology. 58B: 129-140 A1 Journal article (refereed), original research -
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. 81 A: 631-633 D1 Article in a trade journal -
Modelling the size distribution of 3-50 Nm particles with generalized models
Mikkonen S, Lehtinen KEJ, Hamed A, Joutsensaari J, Laaksonen A. Teoksessa: Vehkamäki H, Bergman T, Julin J, Salonen M, Kulmala M(toim.) , 2006. NOSA 2006 Aerosol symposium, combined with the X Finnish National Aerosol Symposium. s. 246-48. A4 Conference proceedings -
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. 6: 9603-9653 A1 Journal article (refereed), original research -
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. 6: 1-16 A1 Journal article (refereed), original research -
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. 6: 4601-4616 A1 Journal article (refereed), original research -
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. 6: 1627-1634 A1 Journal article (refereed), original research -
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. 6: 5549-5557 A1 Journal article (refereed), original research -
A combined photochemistry/aerosol dynamics model: model development and a study of new particle formation
Grini A, Korhonen H, Lehtinen KEJ, Isaken ISA, Kulmala M. 2005. Boreal environment research. 10: 525-541 A1 Journal article (refereed), original research -
A method for determining thermophysical properties of organic material in aqueous solutions:succinic acid
Riipinen I., Lehtinen K.E.J., Svenningsson B., Bilde M., Gaman A., Kulmala M.. 2005. Atmospheric research. : A1 Journal article (refereed), original research -
CCN activation and cloud processing in sectional aerosol models with low size resolution
Korhonen H, Kerminen V-M, Lehtinen KEJ, Kulmala M. 2005. Atmospheric chemistry and physics. 5: 2561-2570 A1 Journal article (refereed), original research -
Emission rates due to indoor activities: indoor aerosol model development, evaluation and applications
Hussein T, Korhonen H, Herrmann E, Hämeri K, Lehtinen KEJ, Kulmala M. 2005. Aerosol science and technology. 39: 1111-1127 A1 Journal article (refereed), original research -
Fine particle number and mass concentration measurements in urban Indian households
Mönkkönen P, Maynard PP, Lehtinen KEJ, Hämeri K, Rechkemmer P, Ramachandran G, Prasad B, Kulmala M. 2005. Science of the total environment. 347: 131-147 A1 Journal article (refereed), original research -
Formation and growth of fresh atmospheric aerosols: eight years of aerosols size distribution data from SMEAR II, Hyytiälä, Finland
Dal Maso M, Kulmala M, Riipinen I, Wagner R, Hussein T, Aalto PP, Lehtinen KEJ. 2005. Boreal environment research. 10: 323-336 A1 Journal article (refereed), original research -
Formation and initial growth of atmospheric aerosols
Kulmala M., Lehtinen K.E.J.. Teoksessa: (toim.) , 2005. AAAR 2005 Proceedins. s. . A4 Conference proceedings -
Nanoparticle coagulation via a Navier-Stokes/nodal methodologyI: evolution of the particle field
Garrick SC, Lehtinen KEJ, Zachariah MR. 2005. . 79: A1 Journal article (refereed), original research -
On the existence of neutral atmospheric clusters
Kulmala M, Lehtinen KEJ, Laakso L, Mordas G, Hämeri K. 2005. Boreal environment research. 10: 79-87 A1 Journal article (refereed), original research -
On the growth of nucleation mode particles: source rates of condensable vapor in polluted and clean environments
Kulmala M, Petäjä T, Mönkkönen P, Koponen IK, Dal Maso M, Aalto PP, Lehtinen KEJ, Kerminen V-M. 2005. Atmospheric chemistry and physics. 5: 409-416 A1 Journal article (refereed), original 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.. Teoksessa: (toim.) , 2005. AAAR 2005 Proceedings. s. . A4 Conference proceedings -
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. : 10197-10216 A1 Journal article (refereed), original research -
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. : 11277-11293 A1 Journal article (refereed), original research -
Parameterization for atmospheric new-particle formation: application to a system involving sulfuric acid and condensable water-soluble organic vapors
Kerminen V-M, Anttila T, Lehtinen KEJ, Kulmala M. 2004. Aerosol science and technology. : 1001-1008 A1 Journal article (refereed), original research