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Tuukka Petäjä

  • PL 64 (Gustaf Hällströmin katu 2)

    00014

    Finland

20002019
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Publikationer 2000 2019

2009

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

Vaattovaara, P., Petaja, T., Joutsensaari, J., Miettinen, P., Zaprudin, B., Kortelainen, A., Heijari, J., Yli-Pirila, P., Aalto, P., Worsnop, D. R. & Laaksonen, A., 2009, I : Boreal Environment Research. 14, s. 662-682 21 s.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

2008

Aerosol particles in the air: chapter 7.8

Riipinen, I., Dal Maso, M., Petäjä, T., Laakso, L., Grönholm, T. & Kulmala, M., 2008, Boreal forest and climate change. [Dordrecht]: Springer, s. 409-415 7 s. (Advances in Global Change Research; vol. 34).

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKapitelVetenskapligPeer review

Air pollution and micrometerology in a relatively clean South African savannah environment

Laakso, L., Kulmala, M., Aalto, P. P., Keronen, P., Petäjä, T., Laakso, H., Pohja, T. & Siivola, E., 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 Climate Chance' activities in 2002-2007 / editors: Markku Kulmala, Jaana Bäck and Martta Salonen. s. 103-106 4 s. (Report series in aerosol science; nr. 93).

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskaplig

Analysis of one year of ion-DMPS data from the SMEAR II station Finland

Gagne, S., Laakso, L., Petäjä, T., Kerminen, V. -M. & Kulmala, M., 2008, I : Tellus. Series B: Chemical and Physical Meteorology. 60, 3, s. 318-329 12 s.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

Applicability of condensation particle counters to measure atmospheric clusters

Sipilä, M., Lehtipalo, K., Kulmala, M., Petäjä, T., Junninen, H., Aalto, P. P., Manninen, H. E., Kyrö, E-M., Asmi, E., Riipinen, I., Curtius, J., Kurten, A., Borrmann, S. & O'Dowd, C. D., 2008, I : Atmospheric Chemistry and Physics. 8, s. 4049-4060 12 s.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

Approaches to direct measurement of atmospheric neutral clusters and particle formation

Sipilä, M., Manninen, H. E., Lehtipalo, K., Asmi, E., Riipinen, I., Petäjä, T. & Kulmala, M., 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 Climate Chance' activities in 2002-2007 / editors: Markku Kulmala, Jaana Bäck and Martta Salonen. s. 227-233 7 s. (Report series in aerosol science; nr. 93).

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskaplig

Characteristic features of air ions at Mace Head on the west coast of Ireland

Vana, M., Ehn, M., Petäjä, T., Vuollekoski, H., Aalto, P., Leeuw, G. D., Ceburnis, D., O'Dowd, C. D. & Kulmala, M., 2008, I : Atmospheric Research. 90, 2-4, s. 278-286 9 s.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

Chemical characterization of newly formed aerosol particles

Ehn, M., Petäjä, T., Aalto, P. P., Junninen, H., Worsnop, D., Kulmala, M. & Aalto, P., 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 Climate Chance' activities in 2002-2007 / editors: Markku Kulmala, Jaana Bäck and Martta Salonen. s. 16-20 5 s. (Report series in aerosol science; nr. 93).

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskaplig

Hydroscopic properties of submicrometer atmospheric aerosol particles measured with H-TDMA instruments in various environments: a review

Swietlicki, E., Hansson, H. -C., Hämeri, K., Petäjä, T. & Kulmala, M., 2008, I : Tellus. Series B: Chemical and Physical Meteorology. 60, 3, s. 432-469 38 s.

Forskningsoutput: TidskriftsbidragÖversiktsartikelVetenskapligPeer review

Hygroscopic properties of submicrometer atmospheric aerosol particles measured with H-TDMA instruments in various environments - a review

Swietlicki, E., Hansson, H. -C., Hameri, K., Svenningsson, B., Massling, A., McFiggans, G., McMurry, P. H., Petaja, T., Tunved, P., Gysel, M., Topping, D., Weingartner, E., Baltensperger, U., Rissler, J., Wiedensohler, A. & Kulmala, M., 2008, I : Tellus. Series B: Chemical and Physical Meteorology. 60, s. 432-469 38 s.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

Improving particle detection efficiency of a condensation particle counter by means of pulse height analysis.

Sipilä, M. J., Aalto, P. P., Lihavainen, H., Vehkamäki, H., Ehn, M. K., Petaja, T. & Riipinen, I., 2008, Nucleation and Atmospheric Aerosols: Proceedings of the 17th International Conference on Nucleation and Atmospheric Aerosols ICNAA, 13.-17.8.2007, Galway, Ireland. Dowd, C. O. & Wagner, P. (red.). Springer, Vol. I. s. 378-381

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskaplig

Ion-DMPS: a novel tool for measuring the charging state of aerosols

Gagne, S., Petäjä, T., Aalto, P. P., Kulmala, M. & Laakso, L., 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 Climate Chance' activities in 2002-2007 / editors: Markku Kulmala, Jaana Bäck and Martta Salonen. s. 21-27 7 s. (Report series in aerosol science; nr. 93).

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskaplig

Micrometeorological observations of a microburst in southern Finland

Järvi, L., Schultz, D. M., Petäjä, T., Rinne, J., Kulmala, M. & Vesala, T., 2008, Atmospheric boundary layers. New York: Springer, s. 187-203 17 s.

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKapitelVetenskapligPeer review

On field measurements: chapter 2.4

Petäjä, T., Siivola, E., Pohja, T., Palva, L. & Hari, P., 2008, Boreal forest and climate change. P. H. L. K. . (red.). [Dordrecht]: Springer, s. 20-46 27 s. (Advances in global change research; vol. vol. 34).

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKapitelVetenskapligPeer review

On water condensation particle counters and their applicability to field measurements

Petaja, T., Manninen, H. E., Stratmann, F., Sipilä, M. J., Mordas, G., Aalto, P. P., Vehkamäki, H., Birmili, W., Hämeri, K. & Kulmala, M., 2008, Nucleation and Atmospheric Aerosols: Proceedings of the 17th International Conference on Nucleation and Atmospheric Aerosols ICNAA, 13.-17.8.2007, Galway, Ireland. Dowd, C. O. & Wagner, P. (red.). Springer, Vol. I.

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskaplig

Phase transitions and energy exchanges: chapter 6.2.1

Vesala, T., Kolari, P., Petäjä, T., Siivola, E. & Hari, P., 2008, Boreal forest and climate change. P. H. L. K. . (red.). [Dordrecht]: Springer, s. 144-156 13 s. (Advances in global change research; vol. vol. 34).

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKapitelVetenskapligPeer review

Preliminary results of sulfuric acid concentrations in a boreal forest site

Petäjä, T., Nieminen, T., Boy, M. & Kulmala, M., 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 Climate Chance' activities in 2002-2007 / editors: Markku Kulmala, Jaana Bäck and Martta Salonen. s. 188-194 7 s. (Report series in aerosol science; nr. 93).

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskaplig

Size distributions, sources and source areas of water-soluble organic carbon in urban background air

Timonen, H., Petäjä, T., Aalto, P. P., Kulmala, M. & Hillamo, R., 2008, I : Atmospheric Chemistry and Physics. 8, s. 5635-5647 13 s.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

SMEAR network: chapter 2.5

Hari, P., Nikinmaa, E., Vesala, T., Pohja, T., Siivola, E., Lahti, T., Aalto, P., Hiltunen, V., Ilvesniemi, H., Keronen, P., Kolari, P., Grönholm, T., Palva, L., Pumpanen, J., Petäjä, T., Rannik, U. & Kulmala, M., 2008, Boreal forest and climate change. P. H. L. K. . (red.). [Dordrecht]: Springer, s. 46-56 11 s. (Advances in global change research; vol. vol. 34).

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKapitelVetenskapligPeer review

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, K. E. J., 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, C. D. & Viisanen, Y., 2008, I : Atmospheric Chemistry and Physics. 8, 23, s. 7255-7264 10 s.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

SO oxidation products other than HSO 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, K. E. J., Dal Maso, M., Aalto, P., Petäjä, T., Riipinen, I., Sihto, S-L., Jansson, R. & Arnold, F., 2008, I : Atmospheric Chemistry and Physics. 8, s. 7255-7264 10 s.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

The condensation particle counter battery (CPCB): indirect information on the chemical composition of atmospheric nanoparticles

Manninen, H. E., Riipinen, I., Petäjä, T., Mordas, G., Sipilä, M., Birmili, W. & Kulmala, M., 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 Climate Chance' activities in 2002-2007 / editors: Markku Kulmala, Jaana Bäck and Martta Salonen. s. 152-157 6 s. (Report series in aerosol science; nr. 93).

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskaplig

The role of VOC oxidation products in continental new particle formation

Laaksonen, A., Kulmala, M., Sogacheva, L., Dal Maso, M., Aalto, P., Petäjä, T., Sogachev, A. & Riekkola, M-L., 2008, I : Atmospheric Chemistry and Physics. 8, 10, s. 2657-2665 9 s.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

2007

Aerosol particles in the air

Riipinen, I., Kulmala, M., Dal Maso, M., Petaja, T., Grönholm, T., Laakso, L., Kulmala, L. (red.) & Hari, P. (red.), 2007, Boreal forest and climate change. Hari, P. & Kulmala, L. (red.). Springer-Verlag, (Advances in global change research; vol. 34).

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKapitelVetenskapligPeer review

Air ion measurements at Mace Head on the west coast of Ireland

Vana, M., Ehn, M., Petäjä, T., Vuollekoski, H., Aalto, P., Leeuw, G. D., Ceburnis, D., O'Dowd, C. D. & Kulmala, M., 2007, Nucleation and atmospheric aerosols. s. 373-377 5 s.

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskapligPeer review

Atmospheric charged and total particle formation rates below 3 nm

Kulmala, M., Riipinen, I., Manninen, H. M., Nieminen, T., Sipilä, M., Petäjä, T. & Manninen, H. E., 2007, Nucleation and atmospheric aerosols. s. 953-956 4 s.

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskapligPeer review

Charging state of the atmospheric nucleation mode: Implications for separating neutral and ion-induced nucleation

Kerminen, V-M., Anttila, T., Petaja, T., Laakso, L., Gagne, S., Lehtinen, K. E. J. & Kulmala, M., 2007, I : Journal of Geophysical Research : Atmospheres. 112, s. D21205 12 s.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

Contrasting organic aerosol behaviour in continental polluted, biomass burning and pristine tropical forest environments

Hämeri, K., Kulmala, M., Petäjä, T. & McMurry, P. H., 2007, Nucleation and atmospheric aerosols. s. 721-725 5 s.

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskapligPeer review

Detecting charging state of ultra-fine particles: instrumental development and ambient measurements

Laakso, L., Gagne, S., Petaja, T., Hirsikko, A., Aalto, P. P., Kulmala, M. & Kerminen, V. -M., 2007, I : Atmospheric Chemistry and Physics. 7, s. 1333-1345 13 s.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

Do we miss fragile particles in particle size distribution measurements?

Boy, M., Bonn, B., Korhonen, H., Petäjä, T. & Kulmala, M., 2007, Nucleation and atmospheric aerosols. s. 1038-1042 5 s.

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskapligPeer review

Horizontal homogeneity and vertical extent of new particle formation events

Wehner, B., Siebert, H., Stratmann, F., Tuch, T., Wiedensohler, A., Petäjä, T., Dal Maso, M. & Kulmala, M., 2007, I : Tellus. Series B: Chemical and Physical Meteorology. 59, 3, s. 362-371 10 s.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

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

Ehn, M., Petäjä, T., Aufmhoff, H., Aalto, P., Hämeri, K., Arnold, F., Laaksonen, A. & Kulmala, M., 2007, I : Atmospheric Chemistry and Physics. 7, s. 211-222 12 s.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

Improving particle detection efficiency of a condensation particle counter by means of pulse height analysis

Sipilä, M., Aalto, P., Lihavainen, H., Vehkamäki, H., Ehn, M., Petäjä, T., Riipinen, I., O'Dowd, C. D. & Kulmala, M., 2007, Nucleation and atmospheric aerosols. s. 378-381 4 s.

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskapligPeer review

Investigating the chemical composition of growing nucleation mode particles with CPC battery

Petäjä, T., Manninen, H. E., Sipilä, M., Aalto, P., Kulmala, M., Riipinen, I., Grönholm, T. & Hämeri, K., 2007, Nucleation and atmospheric aerosols. s. 984-988 5 s.

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskapligPeer review

Marine aerosol and secondary particle formation over the North Atlantic

Ehn, M., Petäjä, T., Aalto, P., Kulmala, M., Leeuw, G. D. & O'Dowd, C. D., 2007, Nucleation and atmospheric aerosols. s. 1102-1105 4 s.

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskapligPeer review

Measured neutral and charged aerosol particle number size distributions in Russia

Vartiainen, E., Kulmala, M., Ehn, M., Petäjä, T., Hirsikko, A., Junninen, A., Sogacheva, L., Kuokka, S., Hillamo, R., Skorokhod, A., Belikov, I., Elansky, N. & Kerminen, V-M., 2007, Nucleation and atmospheric aerosols. s. 659-663 5 s.

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskapligPeer review

Measurement of the charging state with an ion-DMPS to estimate the contribution of ion-induced nucleation

Kerminen, V-M., Aalto, P., Kulmala, M., Gagne, S., Laakso, L. & Petäjä, T., 2007, Nucleation and atmospheric aerosols. s. 379-401 23 s.

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskapligPeer review

Micrometeorological observations of a microburst in southern Finland

Järvi, L., Punkka, A-J., Schultz, D. M., Petäjä, T., Hohti, H., Rinne, J., Pohja, T., Kulmala, M., Hari, P. & Vesala, T., 2007, I : Boundary-Layer Meteorology. 125, s. 343-359 17 s.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

New particle formation in Beijing, China: statistical analysis of a 1-year data set

Wu, Z., Hu, M., Liu, S., Wehner, B., Bauer, S., Massling, A., Wiedensohler, A., Petäjä, T., Dal Maso, M. & Kulmala, M., 2007, I : Journal of Geophysical Research. 112, s. D09209 10 s.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

New particle formation in clean savannah environment

Laakso, L., Petäjä, T., Laakso, H., Aalto, P., Pohja, T., Siivola, E., Keronen, P., Haapanala, S., Hakola, H., Kgabi, N., Molefe, M., Mabaso, D., Pienaar, K., Sjöberg, E., Jokinen, M. & Kulmala, M., 2007, Nucleation and atmospheric aerosols. s. 694-697 4 s.

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskapligPeer review

Non-volatile residuals of newly formed atmospheric particles in the boreal forest

Ehn, M. K., Petäjä, T., Birmili, W., Junninen, H., Aalto, P. & Kulmala, M., 2007, I : Atmospheric Chemistry and Physics. 7, s. 677-684 8 s.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

On water condensation particle counters and their applicability to field measurements

Petäjä, T., Manninen, H. E., Mordas, G., Sipilä, M., Aalto, P., Vehkamäki, H., Birmili, W., Hämeri, K., Kulmala, M. & Stratmann, F., 2007, Nucleation and atmospheric aerosols. s. 698-710 13 s.

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskapligPeer review

Sub-micron atmospheric aerosols in the surroundings of Marseille and Athens: physical characterization and new particle formation

Petäjä, T., Kerminen, V. -M., Dal Maso, M., Junninen, H., Koponen, I. K., Hussein, T., Aalto, P. P., Andronopoulos, S., Robin, D., Hämeri, K., Bartzis, J. G. & Kulmala, M., 2007, I : Atmospheric Chemistry and Physics. 7, s. 2705-2720 16 s.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

The condensation particle counter battery (CPCB): a new tool to investigate the activation properties of nanoparticles

Kulmala, M., Mordas, G., Petäjä, T., Grönholm, T., Aalto, P. P., Vehkamäki, H., Hienola, A. I., Herrmann, E., Sipilä, M. J., Riipinen, I., Manninen, H. E., Hämeri, K., Stratmann, F., Bilde, M., Winkler, P. M., Birmili, W. & Wagner, P. E., 2007, I : Journal of Aerosol Science. 38, 3, s. 289-304 16 s.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

The effect of particle size, composition, and shape on lidar backscattering

Sundström, A-M., Nousiainen, T. & Petäjä, T., 2007, Proceedings of the 10th Conference on Electromagnetic & Light Scattering. Videen, G., Mischenko, M., Mengüc, P. & Zakharova, N. (red.). New York: BEGELL HOUSE INC, s. 213-216 4 s.

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskapligPeer review

Toward direct measurement of atmospheric nucleation

Kulmala, M., Riipinen, I., Sipilä, M. J., Manninen, H. E., Petäjä, T., Junninen, H., Dal Maso, M., Mordas, G., Mirme, A., Vana, M., Hirsikko, A., Laakso, L., Harrison, R. M., Hanson, I., Leung, C., Lehtinen, K. E. J. & Kerminen, V-M., 2007, I : Science. 318, 5847, s. 89-92 4 s.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

Using charging state in estimating the relative importance of neutral and ion-induced nucleation

Kerminen, V-M., Anttila, T., Petäjä, T., Laakso, L., Gagne, S., Lehtinen, K. E. J. & Kulmala, M., 2007, Nucleation and atmospheric aerosols. s. 350-353 4 s.

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskapligPeer review