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Tuukka Petäjä

  • PL 64 (Gustaf Hällströmin katu 2)

    00014

    Finland

20002019
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Publikationer 2000 2019

2006

Activation properties of urban atmospheric particles in the size range 3 to 11 nanometers

Birmili, W., Mordas, G., Petäjä, T., Aalto, P. P., Riipinen, I., Grönholm, T., Hämeri, K. & Kulmala, M., 2006, Proceedings of BACCI, NECC and FCoE activities 2005. Kulmala, M., Lindroth, A. & Ruuskanen, T. M. (red.). Helsinki, s. 56-61 6 s. (Report Series in Aerosol Science; vol. 81A).

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskaplig

Air ion and aerosol particle measurements and the formation of new particles

Hirsikko, A. E., Laakso, L., Bergman, T. R., Petäjä, T., Gagne, S., Vana, M., Hõrrak, U., Aalto, P. P., Mirme, A., Tammet, H. & Kulmala, M., 2006, Formation and Growth of Secondary Atmospheric Aerosols. s. 50-53 3 s. (Report Series of Aerosol Science; vol. 80).

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskaplig

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, K., 2006, I : Atmospheric Chemistry and Physics. 6, s. 4079-4091 13 s.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

Atmospheric sulphuric acid and aerosol formation: Analysis of correlations and possible nucleation 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, K. E. J., 2006, Proceedings of BACCI, NECC and FCoE activities 2005. Kulmala, M., Lindroth, A. & Ruuskanen, T. M. (red.). s. 529-533 5 s. (Report Series in Aerosol Science; vol. 81B).

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskaplig

Detecting neutral atmospheric particles below 3 nm

Riipinen, I., Kulmala, M., Sipilä, M., Manninen, H., Petäjä, T., Junninen, H., Dal Maso, M., Mordas, G., Mirne, A., Vana, M., Laakso, L. & Kerminen, V-M., 2006, NOSA 2006 Aerosol symposium, combined with the X Finnish National Aerosol Symposium, Finnish-Czech Aerosol Symposium, and BACCI workshop, Helsinki 8.-10.11.2006. Vehkamäki, H., Bergman, T., Julin, J., Salonen, M. & Kulmala, M. (red.). Helsinki, s. 312-314 3 s. (Report Series in Aerosol Science; vol. 83).

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskaplig

Detecting neutral particles below 3 nm: Calibration of UF-02 proto CPC and first results from Hyytiälä

Riipinen, I., Sipilä, M., Petäjä, T., Mordas, G., Manninen, H., Hirsikko, A., Hämeri, K. & Kulmala, M., 2006, Proceedings of BACCI, NECC and FCoE activities 2005. Kulmala, M., Lindroth, A. & Ruuskanen, T. M. (red.). s. 500-504 5 s. (Report Series in Aerosol Science; vol. 81B).

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskaplig

Detection efficiency of a water-based TSI condensation particle counter 3785

Petäjä, T., Mordas, G., Manninen, H., Aalto, P. P., Hämeri, K. & Kulmala, M., 2006, I : Aerosol Science and Technology. 40, 12, s. 1090-1097 8 s.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

Determination of the charging state of ultra-fine particles during a nucleation event

Gagne, S., Laakso, L., Petäjä, T., Hirsikko, A., Aalto, P. P. & Kulmala, M., 2006, Proceedings of BACCI, NECC and FCoE activities 2005. Kulmala, M., Lindroth, A. & Ruuskanen, T. M. (red.). Helsinki, s. 133-136 4 s. (Report Series in Aerosol Science; vol. 81A).

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKapitelVetenskaplig

Effect of the particle chemical composition on the detection efficiencies of the water-based CPCs

Mordas, G., Petäjä, T., Kulmala, M. & Hämeri, K., 2006, Proceegings of BACCI, NECC and FCoE activities 2005. Kulmala, M., Lindroth, A. & Ruuskanen, T. M. (red.). Helsinki, s. 409-413 5 s. (Report Series in Aerosol Science; vol. 81B).

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKapitelVetenskaplig

Estimation of composition of growing aerosol particles using a condensation particle counter battery

Kulmala, M., Mordas, G., Petaja, T., Grönholm, T., Aalto, P. P., Vehkamäki, H., Gaman, A., Herrmann, E., Sipilä, M. J., Riipinen, I., Hämeri, K., Birmili, W. & Wagner, P. E., 2006, Proceedings of the International Aerosol Conference: 10.-15.9.2006, St. Paul, Minnesota, USA.

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskaplig

First APSA measurements in South Africa

Petäjä, T., Laakso, L., Pohja, T., Siivola, E., Laakso, H., Aalto, P. P., Keronen, P., Kgabi, N. A., Pienaar, J. J., Read, C., Molefe, M., Bubu, A., van Heerden, A., Kleynhans, E., Sjöberg, E. & Kulmala, M., 2006, NOSA 2006 Aerosol symposium, combined with the X Finnish National Aerosol Symposium, Finnish-Czech Aerosol Symposium, and BACCI workshop, Helsinki 8.-10.11.2006. Vehkamäki, H., Bergman, T., Julin, J., Salonen, M. & Kulmala, M. (red.). Helsinki, s. 282-284 3 s. (Report Series in Aerosol Science; vol. 83).

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskaplig

Formation and growth of atmospheric aerosol particles

Kulmala, M., Vehkamäki, H., Mordas, G., Petaja, T., Grönholm, T., Laakso, L., Hirsikko, A. E., Aalto, P. P., Hienola, A., Riipinen, I. & Hämeri, K., 2006, Proceedings of International Aerosol Conference 2006. s. 1611-1612

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskaplig

Hygroscopic growth of particle number size distributions at the atmospheric research station Hyytiälä, Finland

Birmili, W., Schwirn, K., Nowak, A., Petäjä, T., Rose, D., Hämeri, K., Aalto, P., Wiedensohler, A., Kulmala, M. & Boy, M., 2006, Proceedings of BACCI, NECC and FCoE activities 2005. Kulmala, M., Lindroth, A. & Ruuskanen, T. M. (red.). Helsinki, s. 62-67 6 s. (Report Series in Aerosol Science; vol. 81A).

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKapitelVetenskaplig

Investigation of the particle detection by ultra-fine CPC TSI 3786

Mordas, G., Kulmala, M., Hämeri, K. & Petäjä, T., 2006, Proceegings of BACCI, NECC and FCoE activities 2005. Kulmala, M., Lindroth, A. & Ruuskanen, T. M. (red.). Helsinki, s. 404-408 5 s. (Report Series in Aerosol Science; vol. 81B).

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKapitelVetenskaplig

Measuring sub-3nm particles with UF-02proto CPC

Sipilä, M., Petäjä, T., Manninen, H., Mordas, G., Riipinen, I. & Kulmala, M., 2006, NOSA 2006 Aerosol symposium, combined with the X Finnish National Aerosol Symposium, Finnish-Czech Aerosol Symposium, and BACCI workshop, Helsinki 8.-10.11.2006. Vehkamäki, H., Bergman, T., Julin, J., Salonen, M. & Kulmala, M. (red.). Helsinki, s. 344-347 4 s. (Report Series in Aerosol Science; vol. 83).

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskaplig

On condensation particle counter battery

Kulmala, M., Mordas, G., Petäjä, T., Aalto, P. P., Vehkamäki, H., Gaman, A., Herrmann, E., Grönholm, T., Sipilä, M., Hämeri, K., Birmili, W. & Wagner, P. E., 2006, Proceedings of BACCI, NECC and FCoE activities 2005. Kulmala, M., Lindroth, A. & Ruuskanen, T. M. (red.). Helsinki, s. 266-270 5 s. (Report Series in Aerosol Science; vol. 81A).

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKapitelVetenskaplig

On condensation particle counter battery, Ibid.,

Kulmala, M., Mordas, G., Petaja, T., Aalto, P. P., Vehkamäki, H., Gaman, A., Herrmann, E., Grönholm, T., Sipilä, M. J., Hämeri, K., Birmili, W. & Wagner, P. E., 2006, Proceedings of BACCI, NECC and FCoE activities 2005. Finnish Association for Aerosol Research, s. 266-270 (Report series in aerosol science; nr. 81).

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskaplig

Preliminary results of newly formed particles detected over the North Atlantic

Ehn, M., Petäjä, T. & Kulmala, M., 2006, NOSA 2006 Aerosol symposium, combined with the X Finnish National Aerosol Symposium, Finnish-Czech Aerosol Symposium, and BACCI workshop, Helsinki 8.-10.11.2006. Vehkamäki, H., Bergman, T., Julin, J., Salonen, M. & Kulmala, M. (red.). Helsinki, s. 69-72 4 s. (Report Series in Aerosol Science; vol. 83).

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskaplig

Soluble fractions of newly fromed particles in Hyytiälä during bacci/quest

Ehn, M., Petäjä, T., Aalto, P., Hämeri, K. & Kulmala, M., 2006, Proceedings of BACCI, NECC and FCoE activities 2005. Kulmala, M., Lindroth, A. & Ruuskanen, T. M. (red.). Helsinki, s. 106-109 4 s. (Report Series in Aerosol Science; vol. 81A).

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKapitelVetenskaplig

Study of non-volatile fractions of newly formed atmospheric aerosol particles in Hyytiälä

Ehn, M., Petäjä, T., Junninen, H., Aalto, P., Birmili, W. & Kulmala, M., 2006, Proceedings of BACCI, NECC and FCoE activities 2005. Kulmala, M., Lindroth, A. & Ruuskanen, T. M. (red.). Helsinki, s. 110-115 6 s. (Report Series in Aerosol Science; vol. 81A).

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKapitelVetenskaplig

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., Riipinen, I., Manninen, H., Hämeri, K., Stratmann, F., Bilde, M., Winkler, P. M., Birmili, W. & Wagner, P. E., 2006, NOSA 2006 Aerosol symposium, combined with the X Finnish National Aerosol Symposium, Finnish-Czech Aerosol Symposium, and BACCI workshop, Helsinki 8.-10.11.2006. s. 171-174 4 s.

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskapligPeer review

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

Kulmala, M., Mordas, G., Petaja, T., Grönholm, T., Aalto, P. P., Vehkamäki, H., Hienola, A., Herrmann, E., Sipilä, M. J., Riipinen, I., Manninen, H. E., Hämeri, K., Stratmann, F., Bilde, M., Winkler, P. M., Birmili, W. & Wagner, P. E., 2006, NOSA 2006 Aerosol symposium, combined with the X Finnish National Aerosol Symposium, Finnish-Czech Aerosol Symposium, and BACCI workshop, Helsinki 8.-10.11. 2006. Finnish Association for Aerosol Research, s. 171-174 (Report series in aerosol science; nr. 83).

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskaplig

2005

A review of the formation and growth of atmospheric aerosol particles

Lauri, A. J., Vehkamäki, H., Petaja, T., Dal Maso, M., Kerminen, V-M., Birmili, W., McMurry, P. & Kulmala, M., 2005, Unknown host publication.

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskaplig

Design and performance characteristics of a condensation particle counter UF-02proto

Mordas, G., Kulmala, M., Petäjä, T., Aalto, P. P., Matulevicius, V., Grigoraitis, V., Ulevicius, V., Grauslys, V., Ukkonen, A. & Hämeri, K., 2005, I : Boreal Environment Research. 10, 6, s. 543-552 10 s.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

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

Petäjä, T., Kerminen, V. -M., Hämeri, K., Vaattovaara, P., Joutsensaari, J., Junkermann, W., Laaksonen, A. & Kulmala, M., 2005, I : Atmospheric Chemistry and Physics. 5, 3, s. 767-779 13 s.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

Evaluation of an automatic algorithm for fitting the particle number size distributions

Hussein, T., Dal Maso, M., Petäjä, T., Koponen, I. K., Paatero, P., Aalto, P. P., Hämeri, K. & Kulmala, M., 2005, I : Boreal Environment Research. 10, 5, s. 337-355 19 s.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

On the growth of nucleation mode particles: source rates of condensable vapor in polluted and clean environments

Kulmala, M., Petäjä, T., Mönkkönen, P., Koponen, I. K., Dal Maso, M., Aalto, P. P., Lehtinen, K. & Kerminen, V-M., 2005, I : Atmospheric Chemistry and Physics. 5, 2, s. 409-416 8 s.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

The contribution of sulfuric acid and non-volatile compounds on the growth of freshly formed atmospheric aerosols

Wehner, B., Petäjä, T., Boy, M., Engler, C., Birmili, W., Tuch, T., Wiedensohler, A. & Kulmala, M., 2005, I : Geophysical Research Letters. 32, s. L17810 4 s.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

The formation and growth of atmospheric aerosol particles

Lauri, A. J., Vehkamäki, H., Petaja, T., Dal Maso, M., Kerminen, V-M., Birmili, W., McMurry, P. & Kulmala, M., 2005, Unknown host publication.

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskaplig

2004

Formation and growth rates of ultrafine atmospheric particles: a review of observations

Kulmala, M., Vehkamäki, H. T. K., Petäjä, T., Dal Maso, M., Lauri, A., Kerminen, V. M., Birmili, W. & McMurry, P. H., 2004, I : Journal of Aerosol Science. 35, s. 143-176 34 s.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

Ion production rate in a boreal forest based on ion, particle and radiation measurements

Laakso, L., Petäjä, T., Lehtinen, K. E. J., Kulmala, M., Paatero, J., Hõrrak, U., Tammet, H. & Joutsensaari, J., 2004, I : Atmospheric Chemistry and Physics. s. 1933-1943

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

Nucleation rate and vapor concentration estimations using a least squares aerosol dynamics method

Lehtinen, K. E. J., Rannik, U., Petäjä, T., Kulmala, M. & Hari, P., 2004, I : Journal of Geophysical Research. 109, 21, s. D21209 5 s.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

Overview of the field measurement campaign in Hyytiala, August 2001 in the frame of the EU project OSOA

Boy, M., Petäjä, T., Dal Maso, M., Rannik, Ü., Rinne, J., Aalto, P., Laaksonen, A., Vaattovaara, P., Joutsensaari, J., Hoffmann, T., Warnke, J., Apostolaki, M., Stephanou, E. G., Tsapakis, M., Kouvarakis, A., Pio, C., Carvalho, A., Römpp, A., Moortgat, G., Spirig, C. & 4 andraGuenther, A., Greenberg, J., Ciccioli, P. & Kulmala, M., 2004, I : Atmospheric Chemistry and Physics. 4, 3, s. 657-678 22 s.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

Tolueenin hapetustuotteiden vaikutus aerosolihiukkasten hygroskooppisuuteen kammiokokeissa

Petäjä, T., 2004, 66 s.

Forskningsoutput: AvhandlingMagisteruppsatsAvhandlingar

2002

Fluxes of carbon dioxide and water vapour over Scots pine forest and clearing

Rannik, Ü., Altimir, N., Raittila, J., Suni, T., Gaman, A., Hussein, T., Hölttä, T., Lassila, H., Latokartano, M., Lauri, A., Natsheh, A., Petäjä, T., Sorjamaa, R., Ylä-Mella, H., Keronen, P., Berninger, F., Vesala, T., Hari, P. & Kulmala, M., 2002, I : Agricultural and Forest Meteorology. 111, 3, s. 187-202 16 s.

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

2000

Deposition velocities of nucleation mode particles into a Scots pine forest

Rannik, Ü., Petäjä, T., Buzorius, G., Aalto, P., Vesala, T. & Kulmala, M., 2000, I : Environmental and Chemical Physics. 22, 3-4, s. 97-102

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review