No photo of Kaarle Hämeri
  • PL 3 (Yliopistonkatu 2)

    00014

    Finland

1990 …2019

Research output per year

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Publications

2006

Taisto Raunemaa (1939-2006): obituary

Kulmala, M., Hämeri, K. & McMurry, P. H., 2006, In : Journal of Aerosol Science. 37, 11, p. 1649-1650 2 p.

Research output: Contribution to journalArticleScientific

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. p. 171-174 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-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, p. 171-174 (Report series in aerosol science; no. 83).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

The relationship between central site, home outdoor and indoor concentrations of fine and ultratine particles: RUPIOH study

Hoek, G., Ten Brink, H., Katsouyanni, K., Kotronarou, A., Pekkanen, J., Hameri, K. & Harrison, R., 2006, In : Epidemiology. 17, p. S459-S459 1 p.

Research output: Contribution to journalConference articleScientificpeer-review

The role of sulphuric acid in formation and growth of particles in a diesel exhaust: Modelled vs. measured results

Pirjola, L., Arnold, F., Aufmhoff, H., Schuck, T., Lähde, T., Hämeri, K., Lemmetty, M., Rönkkö, T. & Keskinen, J., 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. (eds.). Helsinki, p. 287-291 5 p. (Report Series in Aerosol Science; vol. 83).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

TSI-3007 CPC Particle detection efficiency dependence on ambient temperature and pressure

Sipilä, M., Grönholm, T., Hämeri, K., Aalto, P. P. & Kulmala, M., 2006, Proceedings of BACCI, NECC and FCoE activities 2005. Kulmala, M., Lindroth, A. & Ruuskanen, T. M. (eds.). Helsinki, p. 534-536 3 p. (Report Series in Aerosol Science; vol. 81B).

Research output: Chapter in Book/Report/Conference proceedingChapterScientific

Winter and summer time size distributions and densities of traffic-related aerosol particles at a busy highway in Helsinki

Virtanen, A., Rönkkö, T., Kannosto, J., Ristimäki, J., Mäkelä, J. M., Keskinen, J., Pakkanen, T., Hillamo, R., Pirjola, L. & Hämeri, K., 2006, In : Atmospheric Chemistry and Physics. 6, p. 2411-2421 11 p.

Research output: Contribution to journalArticleScientificpeer-review

2005

Aerosol particle number concentration measurements in five European cities using TSI-3022 condensation particle counter over a three-year period during health effects of air pollution on susceptible subpopulations

Aalto, P., Hämeri, K., Paatero, P., Kulmala, M., Bellander, T., Berglind, N., Bouso, L., Castano-Vinyals, G., Sunyer, J., Cattani, G., Marconi, A., Cyrys, J., Klot, S. V., Peters, A., Zetzsche, K., Lanki, T., Pekkanen, J., Nyberg, F., Sjovall, B. & Forastiere, F., 2005, In : Journal of the Air & Waste Management Association. 55, 8, p. 1064-1076 13 p.

Research output: Contribution to journalArticleScientificpeer-review

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, In : Boreal Environment Research. 10, 6, p. 543-552 10 p.

Research output: Contribution to journalArticleScientificpeer-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, In : Atmospheric Chemistry and Physics. 5, 3, p. 767-779 13 p.

Research output: Contribution to journalArticleScientificpeer-review

Emission rates due to indoor activities: indoor aerosol model development, evaluation, and applications

Hussein, T., Korhonen, H., Herrmann, E., Hämeri, K., Lehtinen, K. & Kulmala, M., 2005, In : Aerosol Science and Technology. 39, 11, p. 1111 — 1127 17 p.

Research output: Contribution to journalArticleScientificpeer-review

Emissions from thermal insulations: part 2: evaluation of emissions from organic and inorganic insulations

Koivula, M., Kymäläinen, H-R., Virta, J., Hakkarainen, H., Hussein, T., Komulainen, J., Koponen, H., Hautala, M., Hämeri, K., Kanerva, P., Pehkonen, A. & Sjöberg, A-M., 2005, In : Building and Environment. 40, 6, p. 803-814 12 p.

Research output: Contribution to journalArticleScientificpeer-review

Emissions from thermal insulations: part 1: development and characteristics of the test apparatus

Virta, J., Koivula, M., Hussein, T., Koponen, S., Hakkarainen, H., Kymäläinen, H-R., Hämeri, K., Kulmala, M. & Hautala, M., 2005, In : Building and Environment. 40, 6, p. 797-802 6 p.

Research output: Contribution to journalArticleScientificpeer-review

Emissions from thermal insulations - part 2: Evaluation of emissions from organic and inorganic insulations

Koivula, M., Kymäläinen, H-R., Virta, J., Hakkarainen, H., Hussein, T., Komulainen, J., Koponen, H., Hautala, M., Hameri, K., Kanerva, P., Pehkonen, A. & Sjoberg, A. M., 2005, In : Building and Environment. 40, p. 803-814 12 p.

Research output: Contribution to journalArticleScientificpeer-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, In : Boreal Environment Research. 10, 5, p. 337-355 19 p.

Research output: Contribution to journalArticleScientificpeer-review

Fine particle number and mass concentration measurements in urban Indian households

Mönkkönen, P., Pai, P., Maynard, A., Lehtinen, K. E. J., Hämeri, K., Rechkemmer, P., Ramachandra, G., Prasad, B. & Kulmala, M., 2005, In : Science of the Total Environment. 347, 1-3, p. 131-147 17 p.

Research output: Contribution to journalArticleScientificpeer-review

Indoor and outdoor particle size characterization at a family house in Espoo-Finland

Hussein, T., Hameri, K., Heikkinen, M. S. A. & Kulmala, M., 2005, In : Atmospheric Environment. 39, p. 3697-3709 13 p.

Research output: Contribution to journalArticleScientificpeer-review

Indoor and outdor particle size characterization at a family house in Espoo-Finland

Hussein, T., Hämeri, K., Heikkinen, M. S. A. & Kulmala, M., 2005, In : Atmospheric Environment. 39, 20, p. 3697-3709 13 p.

Research output: Contribution to journalArticleScientificpeer-review

Measurements in a highly polluted Asian mega city: observations of aerosol number size distribution, modal parameters and nucleation events

Mönkkönen, P., Koponen, I. K., Lehtinen, K. E. J., Hämeri, K., Uma, R. & Kulmala, M., 2005, In : Atmospheric Chemistry and Physics. 5, 1, p. 57-66 10 p.

Research output: Contribution to journalArticleScientificpeer-review

Modal structure and spatial-temporal variations of urban and suburban aerosols in Helsinki-Finland

Hussein, T., Hämeri, K., Aalto, P. P., Paatero, P. & Kulmala, M., 2005, In : Atmospheric Environment. 39, 9, p. 1655-1668 14 p.

Research output: Contribution to journalArticleScientificpeer-review

On the existence of neutral atmospheric clusters

Kulmala, M., Lehtinen, K. E. J., Laakso, L., Mordas, G. & Hameri, K., 2005, In : Boreal Environment Research. 10, p. 79-87 9 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access

The concentrations and composition of and exposure to fine particles (PM2.5) in the Helsinki subway system

Aarnio, P., Yli-Tuomi, T., Kousa, A., Mäkelä, T., Hirsikko, A., Hämeri, K., Räisänen, M., Hillamo, R., Koskentalo, T. & Jantunen, M., 2005, In : Atmospheric Environment. 39, 28, p. 5059-5066 8 p.

Research output: Contribution to journalArticleScientificpeer-review

2004

Aerosol Particle Number Concentrations in Five European Cities

Hämeri, K., Aalto, P., Paatero, P., Kulmala, M., Bellander, T., Berlind, N., Bouso, L., Castano-Vinyals, G., Cattani, G., Cyrys, J., Klot, S. V., Lanki, T., Marconi, A., Nyberg, F., Pekkanen, J., Peters, A., Sjövall, B., Sunyer, J., Zetzshe, K. & Forastiere, F., 2004, Nucleation and atmospheric aerosols 2004. Kyoto University Press, p. 619-622

Research output: Chapter in Book/Report/Conference proceedingChapterScientificpeer-review

A novel mobile laboratory for chasing city traffic

Pirjola, L., Parviainen, H., M, L., Hussein, T. & Hämeri, K., 2004, Statistics, measurement and testing. Society of Automotive Engineers, p. 115–121 (Special Publication; no. SP-1892).

Research output: Chapter in Book/Report/Conference proceedingChapterScientific

A turbulent mixing condensation particle counter UF-02proto

Mordas, G., Hämeri, K., Kulmala, M., Aalto, P. P. & Ulevicius, V., 2004, First Joint BACCI Meeting,14-16 June 2004 Physics Department, Lund, Sweden. p. 73-77

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Condensation Particle Counter with swirling flow saturator

Tolppa, J., Ukkonen, A., Moisio, M., Mordas, G., Hämeri, K., Aalto, P. & Kulmala, M., 2004, The IX Finnish National Aerosol Symposium. Vol. 67. p. 109-111

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Daily variation in fine and ultrafine particulate air pollution and urinary concentrations of lung Clara cell protein CC16

Timonen, K. L., Hoek, G., Heinrich, J., Bernard, A., Brunekreef, B., de Hartog, J., Hämeri, K., Ibald-Mulli, A., Mirme, A., Peters, A., Tiittanen, P., Kreyling, W. G. & Pekkanen, J., 2004, In : Journal of Occupational and Environmental Medicine. 61, 11, p. 908-914 7 p.

Research output: Contribution to journalArticleScientificpeer-review

Death of nucleation and Aitken mode particles: observations at extreme atmospheric conditions and their theoretical explanation

Monkkonen, P., Koponen, I. K., Lehtinen, K. E. J., Uma, R., Srinivasan, D., Hameri, K. & Kulmala, M., 2004, In : Journal of Aerosol Science. 35, p. 781-787 7 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access

Observations of New Particle Formation in New Delhi - India

Mönkkönen, P., Koponen, I. K., Lehtinen, K. E. J., Hämeri, K., Uma, R. & Kulmala, M., 2004, Nucleation and atmospheric aerosols 2004. p. 577-580

Research output: Chapter in Book/Report/Conference proceedingChapterScientificpeer-review

Particle size characterization and the indoor-to-outdoor relationship of atmospheric aerosols in Helsinki

Hussein, T., Hämeri, K., Aalto, P., Asmi, A., Kakko, L. & Kulmala, M., 2004, In : Scandinavian Journal of Work, Environment & Health. 30, Supl 2, p. 54-62 9 p.

Research output: Contribution to journalArticleScientificpeer-review

Performance characteristics of the condensation particle counter UF-02proto

Mordas, G., Kulmala, M., Hämeri, K., Aalto, P. P. & Ulevicius, V., 2004, Research unit on physics, chemistry and biology of atmospheric composition and climate change. p. 183-188

Research output: Chapter in Book/Report/Conference proceedingChapterScientificpeer-review

Relationship and variations of aerosol number and PM10 mass concentrations in a highly polluted urban environment - New Delhi, India

Mönkkönen, P., Uma, R., Srinivasan, D., Koponen, I. K., Lehtinen, K. E. J., Hämeri, K., Suresh, R., Sharma, V. P. & Kulmala, M., 2004, In : Atmospheric Environment. 38, 3, p. 425-433 9 p.

Research output: Contribution to journalArticleScientificpeer-review

RUPIOH (Relationship between Ultrafine and fine Particulate matter in Indoor and Outdoor air and respiratory Health)

Puustinen, A., Hämeri, K., Pekkanen, J. & Kulmala, M., 2004, Research unit on physics, chemistry and biology of atmospheric composition and climate change. p. 238-240

Research output: Chapter in Book/Report/Conference proceedingChapterScientificpeer-review

"Sniffer" - a novel tool for chasing vehicles and measuring traffic pollutants

Pirjola, L., Parviainen, H., Hussein, T., Valli, A., Hameri, K., Aaalto, P., Virtanen, A., Keskinen, J., Pakkanen, T. A., Makela, T. & Hillamo, R. E., 2004, In : Atmospheric Environment. 38, p. 3625-3635 11 p.

Research output: Contribution to journalArticleScientificpeer-review

Spatial and temporal aerosol particle number characterization in Helsinki, Finland

Hussein, T., Hämeri, K., Heikkinen, M. & Kulmala, M., 2004, The IX Finnish National Aerosol Symposium. Vol. 67. p. 171-176

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Ultrafine aerosol particle penetration in three indoor environments and ventilation scenario

Hussein, T., Hämeri, K., Heikkinen, M., Kuuspalo, K. & Kulmala, M., 2004, The IX Finnish National Aerosol Symposium, 10.-12.3.2004. Vol. 67. p. 165-170

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Urban aerosol number size distributions

Hussein, T., Puustinen, A., Aalto, P. P., Mäkelä, J. M., Hämeri, K. & Kulmala, M., 2004, In : Atmospheric Chemistry and Physics. 4, 2, p. 391-411 21 p.

Research output: Contribution to journalArticleScientificpeer-review

Urban Aerosol Number Size Distributions

Hussein, T., Puustinen, A., Aalto, P. P., Mäkelä, J. M., Hämeri, K. & Kulmala, M., 2004, Nucleation and atmospheric aerosols 2004. p. 698-701

Research output: Chapter in Book/Report/Conference proceedingChapterScientificpeer-review

2003

Particle Concentration Profile in a Vertical Displacement Flow: A Study in an Industrial Hall

Hämeri, K., Gaman, A., Hussein, T., Räisänen, J., Niemelä, R., Aalto, P. P. & Kulmala, M., 2003, In : Applied Occupational and Environmental Hygiene. 18, 3, p. 183–192

Research output: Contribution to journalArticleScientificpeer-review

2002

A dedicated study of New Particle Formation and Fate in the Coastal Environment (PARFORCE: Overview of objectives and achievements

O'Dowd, C. D., Hameri, K., Makela, J. M., Pirjola, L., Kulmala, M., Jennings, S. G., Berresheim, H., Hansson, H. C., de Leeuw, G., Kunz, G. J., Allen, A. G., Hewitt, C. N., Jackson, A., Viisanen, Y. & Hoffmann, T., 2002, In : Journal of Geophysical Research : Atmospheres. 107, p. 8108 16 p.

Research output: Contribution to journalArticleScientificpeer-review

Aerosol formation - Atmospheric particles from organic vapours

O'Dowd, C. D., Aalto, P., Hämeri, K., Kulmala, M. & Hoffmann, T., 2002, In : Nature. 416, p. 497-498 2 p.

Research output: Contribution to journalArticleScientificpeer-review

Coastal new particle formation: Environmental conditions and aerosol physicochemical characteristics during nucleation bursts

O'Dowd, C. D., Hämeri, K., Mäkelä, J., Väkevä, M., Aalto, P., de Leeuw, G., Kunz, G. J., Becker, E., Hansson, H-C., Allen, A. G., Harrison, R. M., Berresheim, H., Kleefeld, C., Geever, M., Jennings, S. G. & Kulmala, M., 2002, In : Journal of Geophysical Research : Atmospheres. 107, D19, p. article number 8107 17 p.

Research output: Contribution to journalArticleScientificpeer-review

Czech-Finnish Aerosol Symposium: Prague 23.-26.5.2002

Smolík, J. (ed.) & Hämeri, K. (ed.), 2002, Helsinki. 180 p. (Report series in aerosol science; no. 56)

Research output: Book/ReportAnthology or special issue

Evaluating measurements of new particle concentrations, source rates, and spatial scales during coastal nucleation events using condensation particle counters

Hämeri, K., O'Dowd, C. D. & Hoell, C., 2002, In : Journal of Geophysical Research : Atmospheres. 107, D19, p. article number 8101 11 p.

Research output: Contribution to journalArticleScientificpeer-review

Field measurements of hygroscopic properties and state of mixing of nucleation mode particles

Vakeva, M., Kulmala, M., Stratmann, F. & Hameri, K., 2002, In : Atmospheric Chemistry and Physics. 2, p. 55-66 12 p.

Research output: Contribution to journalArticleScientificpeer-review

Hygroscopic properties of mixed ammonium sulfate and carboxylic acids particles

Hämeri, K., Charlson, R. & Hansson, H-C., 2002, In : AIChE Journal. 48, 6, p. 1309-1316 8 p.

Research output: Contribution to journalArticleScientificpeer-review

Hygroscopic properties of nucleation mode and Aitken mode particles during nucleation bursts and in background air on the west coast of Ireland

Väkevä, M., Hämeri, K. & Aalto, P. P., 2002, In : Journal of Geophysical Research : Atmospheres. 107, D19, p. article number 8104 11 p.

Research output: Contribution to journalArticleScientificpeer-review

Long-term indoor-outdoor aerosol measurement in Helsinki, Finland

Hussein, T., Hämeri, K. & Kulmala, M., 2002, In : Boreal Environment Research. 7, p. 141–150 10 p.

Research output: Contribution to journalArticleScientificpeer-review