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

    00014

    Finland

1990 …2019

Research output per year

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Publications

1990

SULFURIC-ACID AEROSOL FORMATION BY IRRADIATION - A FLOW REACTOR SET UP

MAKELA, J. & HAMERI, K., 1990, In : Journal of Aerosol Science. 21, p. S677-S680 4 p.

Research output: Contribution to journalConference articleScientific

1991

FIELD-MEASUREMENTS IN URBAN BACKGROUND - THE EFFECT OF PHOTOCHEMISTRY

HAMERI, K., KULMALA, M., TAPPER, U., ISSAKAINEN, E. & HAMEKOSKI, K., 1991, In : Journal of Aerosol Science. 22, p. S677-S680 4 p.

Research output: Contribution to journalConference articleScientific

NOSA and IV Finnish Aerosol Symposium, Helsinki 14.-15.11.1991

Mattsson, R. (ed.), Hämeri, K. (ed.) & Kulmala, M. (ed.), 1991, Helsinki. 139 p. (Report series in aerosol science; no. 19)

Research output: Book/ReportAnthology or special issue

SULFURIC-ACID AEROSOL FORMATION BY IRRADIATION - PARTICLE-SIZE DISTRIBUTION AND MODEL-CALCULATIONS

Mäkelä, J., Hämeri, K. & Kulmala, M., 1991, In : Journal of Aerosol Science. 22, p. S89-S92 4 p.

Research output: Contribution to journalConference articleScientific

Workshop on condensation: Helsinki 7.-9.8.1991

Kulmala, M. (ed.) & Hämeri, K. (ed.), 1991, Helsinki. 151 p. (Report series in aerosol science; no. 17)

Research output: Book/ReportAnthology or special issue

1992

Energia ja ympäristö: mitä jätät huomiselle

Hämeri, K. (ed.), 1992, Helsinki. 72 p.

Research output: Book/ReportBook

1993

Seminar on Aerosols, Clouds and Radiation: Tvärminne 28.1.1993

Hämeri, K. (ed.) & Kulmala, M. (ed.), 1993, Helsinki. 50 p. (Report series in aerosol science; no. 21)

Research output: Book/ReportAnthology or special issue

The Fifth Finnish National Aerosol Symposium, June 1-3, 1993

Mikkanen, P. (ed.), Hämeri, K. (ed.) & Kauppinen, E. (ed.), 1993, Helsinki. 291 p. (Report series in aerosol science; no. 23)

Research output: Book/ReportAnthology or special issue

1994

CONSTRUCTION AND TEST OF LAMINAR-FLOW DIFFUSION CHAMBER - HOMOGENEOUS NUCLEATION OF DBP AND N-HEXANOL

ANISIMOV, MICHAEL. P., HÄMERI, KAARLE. & KULMALA, MARKKU., 1994, In : Journal of Aerosol Science. 25, 1, p. 23-32 10 p.

Research output: Contribution to journalArticleScientificpeer-review

1995

EVALUATION OF HOMOGENEOUS DROPLET FORMATION INSIDE UCPC (TSI-MODEL-3025)

HÄMERI, KAARLE., AUGUSTIN, JARKKO., KULMALA, MARKKU., VESALA, TIMO., MÄKELÄ, JYRKI., AALTO, PASI. & KRISSINEL, EVGENII., 1995, In : Journal of Aerosol Science. 26, 6, p. 1003-1008 6 p.

Research output: Contribution to journalArticleScientificpeer-review

EXPERIMENTAL AND NUMERICAL ANALYSIS OF STOMATAL ABSORPTION OF SULPHUR DIOXIDE AND TRANSPIRATION BY PINE NEEDLES

VESALA, T., HÄMERI, K., AHONEN, T., KULMALA, M., HARI, P., POHJA, T., KRISSINEL', E., SHOKHIREV, N. & LUSHNIKOV, A. A., 1995, In : Atmospheric Environment. 29, 7, p. 825-836 12 p.

Research output: Contribution to journalArticleScientificpeer-review

Homogeneous nucleation in a laminar flow diffusion chamber

Hämeri, K., 1995, Espoo: Finnish Academy of Technology. 90 p.

Research output: ThesisDoctoral ThesisMonograph

1996

Formation of respirable particles during ski waxing

Hämeri, K., Aalto, P., Kulmala, M., Sammaljärvi, E., Spring, E. & Pihkala, P., 1996, In : Journal of Aerosol Science. 27, 2, p. 339-344 6 p.

Research output: Contribution to journalArticleScientificpeer-review

Homogeneous nucleation in a laminar flow diffusion chamber: The operation principles and possibilities for quantitative rate measurements

Hämeri, K., Kulmala, M., Krissinel', E. & Kodenyov, G., 1996, In : Journal of Chemical Physics. 105, 17, p. 7683-7695 13 p.

Research output: Contribution to journalArticleScientificpeer-review

The investigations of aerosol particle formation in urban background area of Helsinki

Hameri, K., Kulmala, M., Aalto, P., Leszczynski, K., Visuri, R. & Hämekoski, K., 1996, In : Atmospheric Research. 41, p. 281-298 18 p.

Research output: Contribution to journalArticleScientificpeer-review

1997

Seminar on Environmental Analysis: December 10, 1997

Kulmala, M. (ed.) & Hämeri, K. (ed.), 1997, Helsinki. 35 p. (Report series in aerosol science; no. 37)

Research output: Book/ReportAnthology or special issue

The Sixth Finnish National Aerosol Symposium, April 15-16, 1997

Hämeri, K. (ed.) & Ahonen, P. (ed.), 1997, Helsinki. 166 p. (Report series in aerosol science; no. 31)

Research output: Book/ReportAnthology or special issue

1998

Determination of homogeneous nucleation rates from laminar-flow diffusion chamber data

Wilck, M., Hämeri, K., Stratmann, F. & Kulmala, M., 1998, In : Journal of Aerosol Science. 29, 8, p. 899-911 13 p.

Research output: Contribution to journalArticleScientificpeer-review

Long-term field measurements of atmosphere-surface interactions in boreal forest combining forest ecology, micrometeorology, aerosol physics and atmospheric chemistry

Vesala, T., Haataja, J., Aalto, P. P., Altimir, N., Buzorius, G., Hämeri, K., Ilvesniemi, H., Jokinen, V., Keronen, P., Lahti, T., Markkanen, T., Mäkelä, J. M., Nikinmaa, E., Palmroth, S., Pohja, T., Pumpanen, J., Rannik, U., Siivola, E., Ylitalo, H., Hari, P. & 1 others, Kulmala, M., 1998, In : Trends in Heat, Mass & Momentum Transfer. 4 , p. 17-35

Research output: Contribution to journalArticleScientificpeer-review

Modelling as a Tool in Environmental Research Seminar: Helsinki, December 9, 1998

Kulmala, M. (ed.) & Hämeri, K. (ed.), 1998, Helsinki. 28 p. (Report series in aerosol science; no. 42)

Research output: Book/ReportAnthology or special issue

NaCl aerosol particle hygroscopicity dependence on mixing with organic compounds

Hansson, H. C., Rood, M. J., Koloutsou-Vakakis, S., Hameri, K., Orsini, D. & Wiedensohler, A., 1998, In : Journal of Atmospheric Chemistry. 31, p. 321-346 26 p.

Research output: Contribution to journalArticleScientificpeer-review

NOSA and the VII Finnish National Aerosol Symposium, Helsinki 12.-13.11.1998

Hienola, J. (ed.) & Hämeri, K. (ed.), 1998, Helsinki. 160 p. (Report series in aerosol science; no. 41)

Research output: Book/ReportAnthology or special issue

1999

Seminar celebrating the 60th anniversary of Taisto Raunemaa: Kuopio, December 7-8, 1999

Hämeri, K. (ed.), 1999, Helsinki. 44 p. (Report series in aerosol science; no. 44)

Research output: Book/ReportAnthology or special issue

Spatial variation of aerosol number concentration in Helsinki city

Buzorius, G., Hameri, K., Pekkanen, J. & Kulmala, M., 1999, In : Atmospheric Environment. 33, p. 553-565 13 p.

Research output: Contribution to journalArticleScientificpeer-review

Street level versus rooftop concentrations of submicron aerosol particles and gaseous pollutants in an urban street canyon

Väkevä, M., Hameri, K., Kulmala, M., Lahdes, R., Ruuskanen, J. & Laitinen, T., 1999, In : Atmospheric Environment. 33, p. 1385-1397 13 p.

Research output: Contribution to journalArticleScientificpeer-review

2000

Biogenic aerosol formation in the boreal forest (BIOFOR): October 1997 - September 1999

Kulmala, M. (ed.) & Hämeri, K. (ed.), 2000, Helsinki. 200 p. (Report series in aerosol science; no. 47)

Research output: Book/ReportAnthology or special issue

Effects of meteorological processes on aerosol particle size distribution in an urban background area

Väkevä, M., Hämeri, K., Puhakka, T., Nilsson, E. D., Hohti, H. & Mäkelä, J. M., 2000, In : Journal of Geophysical Research : Atmospheres. 105, D8, p. 9807-9821 15 p.

Research output: Contribution to journalArticleScientificpeer-review

Hygroscopic growth of ultrafine ammonium sulphate aerosol measured using an ultrafine tandem differential mobility analyzer

Hämeri, K., Väkevä, M., Hansson, H-C. & Laaksonen, A., 2000, In : Journal of Geophysical Research : Atmospheres. 105, D17, p. 22231-22242 12 p.

Research output: Contribution to journalArticleScientificpeer-review

Hygroscopic properties of aerosol particles in the northeastern Atlantic during ACE-2

Swietlicki, E., Zhou, J., Covert, D. S., Hämeri, K., Busch, B., Väkeva, M., Dusek, U., Berg, O. H., Wiedensohler, A., Aalto, P., Mäkelä, J., Martinsson, B. G., Papaspiropoulos, G., Mentes, B., Frank, G. & Stratmann, F., 2000, In : Tellus. Series B: Chemical and Physical Meteorology. 52, 2, p. 201-227 27 p.

Research output: Contribution to journalArticleScientificpeer-review

Hygroscopic properties of ultrafine particles in coastal and forest environments

Hameri, K. & Vakeva, M., 2000, In : AIP Conference Proceedings. 534, p. 777-780 4 p.

Research output: Contribution to journalConference articleScientificpeer-review

PARFORCE: Objectives and achievements

O'Dowd, C. D., Makela, J. M., Korhonen, P., Hameri, K., Vakeva, M., Pirjola, L., Hansson, H. C., Jennings, S. G., de Leeuw, G., Kunz, G., Berresheim, H., Harrison, R. M., Allen, A. G., Viisanen, Y. & Kulmala, M., 2000, In : AIP Conference Proceedings. 534, p. 827-830 4 p.

Research output: Contribution to journalConference articleScientificpeer-review

2001

Adsorption of water on 8-15 nm NaCl and (NH4)(2)SO4 aerosols measured using an ultrafine tandem differential mobility analyzer

Romakkaniemi, S., Hämeri, K., Väkevä, M. & Laaksonen, A., 2001, In : Journal of Physical Chemistry A. 105, 35, p. 8183-8188 6 p.

Research output: Contribution to journalArticleScientificpeer-review

A novel tandem differential mobility analyzer with organic vapor treatment of aerosol particles

Joutsensaari, J., Vaattovaara, P., Vesterinen, M., Hameri, K. & Laaksonen, A., 2001, In : Atmospheric Chemistry and Physics. 1, p. 51-60 10 p.

Research output: Contribution to journalArticleScientificpeer-review

Chemical composition of aerosol during particle formation events in boreal forest

Mäkelä, J. M., Yli-Koivisto, S., Hiltunen, V., Seidl, W., Swietlicki, E., Teinilä, K., Sillanpää, M., Koponen, I. K., Paatero, J., Rosman, K. & Hämeri, K., 2001, In : Tellus. Series B: Chemical and Physical Meteorology. 53, 4, p. 380-393 14 p.

Research output: Contribution to journalArticleScientificpeer-review

Daily variation of particulate air pollution and urinary concentrations of lung Clara cell protein CC16. The ULTRA study

Timonan, K. L., Bernard, A., Brunekreef, B., Heinrich, J., de Hartog, J., Hoek, G., Hameri, K., Ibald-Mulli, A., Mirme, A., Peters, A., Tittanen, P., Kreyling, W. G. & Pekkanen, J., 2001, In : Epidemiology. 12, p. S23-S23 1 p.

Research output: Contribution to journalConference articleScientific

Hygroscopic and CCN properties of aerosol particles in boreal forests

Hämeri, K., Väkevä, M., Aalto, P. P., Kulmala, M., Swietlicki, E., Zhou, J., Seidl, W., Becker, E. & O'Dowd, C. D., 2001, In : Tellus. Series B: Chemical and Physical Meteorology. 53, 4, p. 359-379 21 p.

Research output: Contribution to journalArticleScientificpeer-review

Hygroscopic growth of ultrafine sodium chloride particles

Hämeri, K., Laaksonen, A., Väkevä, M. & Suni, T., 2001, In : Journal of Geophysical Research : Atmospheres. 106, D18, p. 20749-20757 9 p.

Research output: Contribution to journalArticleScientificpeer-review

Hygroscopic properties of aerosol particles over the central Arctic Ocean during summer

Zhou, J., Swietlicki, E., Berg, O. H., Aalto, P. P., Hämeri, K., Nilsson, E. D. & Leck, C., 2001, In : Journal of Geophysical Research : Atmospheres. 106, D23, p. 32111-32123 13 p.

Research output: Contribution to journalArticleScientificpeer-review

On the formation, growth and composition of nucleation mode particles

Kulmala, M., Dal Maso, M., Mäkelä, J. M., Pirjola, L., Väkevä, M., Aalto, P., Miikkulainen, P., Hämeri, K. & O'Dowd, C. D., 2001, In : Tellus. Series B: Chemical and Physical Meteorology. 53, 4, p. 479-490 12 p.

Research output: Contribution to journalArticleScientificpeer-review

Overview of the international project on biogenic aerosol formation in the boreal forest (BIOFOR)

Kulmala, M., Hämeri, K., Aalto, P. P., Mäkelä, J. M., Pirjola, L., Nilsson, E. D., Buzorius, G., Rannik, Ü., Dal Maso, M., Seidl, W., Hoffman, T., Janson, R., Hansson, H-C., Viisanen, Y., Laaksonen, A. & O'Dowd, C. D., 2001, In : Tellus. Series B: Chemical and Physical Meteorology. 53, 4, p. 324-343 20 p.

Research output: Contribution to journalArticleScientificpeer-review

Physical characterization of aerosol particles during nucleation events

Aalto, P., Hämeri, K., Becker, E., Weber, R., Salm, J., Mäkelä, J. M., Hoell, C., O'Dowd, C. D., Karlsson, H., Hansson, H-C., Väkevä, M., Koponen, I. K., Buzorius, G. & Kulmala, M., 2001, In : Tellus. Series B: Chemical and Physical Meteorology. 53, 4, p. 344-358 15 p.

Research output: Contribution to journalArticleScientificpeer-review

Theory of size dependent deliquescence of nanoparticles: Relation to heterogeneous nucleation and comparison with experiments

Djikaev, Y. S., Bowles, R., Reiss, H., Hämeri, K., Laaksonen, A. & Väkevä, M., 2001, In : Journal of Physical Chemistry B. 105, 32, p. 7708-7722 15 p.

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