Photo of Helmi-Marja Keskinen

Helmi-Marja Keskinen

  • Hyytiäläntie 124

    00014

    Finland

20022018
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Personal profile

Fields of Science

  • 114 Physical sciences

International and National Collaboration Publications and projects within past five years.

Publications 2002 2018

  • 25 Article
  • 2 Conference contribution

Long-term cloud condensation nuclei number concentration, particle number size distribution and chemical composition measurements at regionally representative observatories

Schmale, J., Henning, S., Decesari, S., Henzing, B., Keskinen, H., Sellegri, K., Ovadnevaite, J., Poehlker, M. L., Brito, J., Bougiatioti, A., Kristensson, A., Kalivitis, N., Stavroulas, I., Carbone, S., Jefferson, A., Park, M., Schlag, P., Iwamoto, Y., Aalto, P., Äijälä, M. & 29 others, Bukowiecki, N., Ehn, M., Frank, G., Frohlich, R., Frumau, A., Herrmann, E., Herrmann, H., Holzinger, R., Kos, G., Kulmala, M., Mihalopoulos, N., Nenes, A., O'Dowd, C., Petäjä, T., Picard, D., Poehlker, C., Poeschl, U., Poulain, L., Prevot, A. S. H., Swietlicki, E., Andreae, M. O., Artaxo, P., Wiedensohler, A., Ogren, J., Matsuki, A., Yum, S. S., Stratmann, F., Baltensperger, U. & Gysel, M., 28 Feb 2018, In : Atmospheric Chemistry and Physics. 18, 4, p. 2853-2881 29 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File

Soil fluxes of carbonyl sulfide (COS), carbon monoxide, and carbon dioxide in a boreal forest in southern Finland

Sun, W., Kooijmans, L. M. J., Maseyk, K., Chen, H., Mammarella, I., Vesala, T., Levula, J., Keskinen, H. & Seibt, U., 1 Feb 2018, In : Atmospheric Chemistry and Physics. 18, 2, p. 1363-1378 16 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File

Data Descriptor: Collocated observations of cloud condensation nuclei, particle size distributions, and chemical composition

Schmale, J., Henning, S., Henzing, B., Keskinen, H., Sellegri, K., Ovadnevaite, J., Bougiatioti, A., Kalivitis, N., Stavroulas, L., Jefferson, A., Park, M., Schlag, P., Kristensson, A., Iwamotol, Y., Pringle, K., Reddington, C., Aalto, P., Äijälä, M., Baltensperger, U., Bialek, J. & 42 others, Birmili, W., Bukowiecki, N., Ehn, M., Fjaeraa, A. M., Fiebig, M., Frank, G., Frohlich, R., Frumau, A., Furuyals, M., Hammerl', E., Heikkinen, L., Herrmann, E., Holzinger, R., Hyonols, H., Kanakidoug, M., Kiendler-Scharr, A., Kinouchi, K., Kos, G., Kulmala, M., Mihalopoulos, N., Motos, G., Nenes, A., O'Dowd, C., Paramonov, M., Petäjä, T., Picard, D., Poulain, L., Prevot, A. S. H., Slowik, J., Sonntag, A., Swietlicki, E., Svenningsson, B., Tsurumaru, H., Wiedensohler, A., Wittbom, C., Ogren, J. A., Matsuki, A., Yum, S. S., Myhre, C. L., Carslaw, K., Stratmann, F. & Gysel, M., 14 Mar 2017, In : Scientific data . 4, 26 p., 170003.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File

Effect of dimethylamine on the gas phase sulfuric acid concentration measured by Chemical Ionization Mass Spectrometry

Rondo, L., Ehrhart, S., Kuerten, A., Adamov, A., Bianchi, F., Breitenlechner, M., Duplissy, J., Franchin, A., Dommen, J., Donahue, N. M., Dunne, E. M., Flagan, R. C., Hakala, J., Hansel, A., Keskinen, H., Kim, J., Jokinen, T., Lehtipalo, K., Leiminger, M., Praplan, A. & 20 others, Riccobono, F., Rissanen, M. P., Sarnela, N., Schobesberger, S., Simon, M., Sipilä, M., Smith, J. N., Tome, A., Trostl, J., Tsagkogeorgas, G., Vaattovaara, P., Winkler, P. M., Williamson, C., Wimmer, D., Baltensperger, U., Kirkby, J., Kulmala, M., Petäjä, T., Worsnop, D. R. & Curtius, J., 27 Mar 2016, In : Journal of Geophysical Research : Atmospheres. 121, 6, p. 3036-3049 14 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File

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, N. M., Flagan, R. C., Hakala, J., Heinritzi, M., Jokinen, T., Kuerten, A., Laaksonen, A., Lehtipalo, K., Miettinen, P., Petäjä, T. & 18 others, Rissanen, M. P., Rondo, L., Sengupta, K., Simon, M., Tome, A., Williamson, C., Wimmer, D., Winkler, P. M., Ehrhart, S., Ye, P., Kirkby, J., Curtius, J., Baltensperger, U., Kulmala, M., Lehtinen, K. E. J., Smith, J. N., Riipinen, I. & Virtanen, A., 2016, In : Atmospheric Chemistry and Physics. 16, 1, p. 293-304 12 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File

Activities 2015 2017

  • 4 Organisation and participation in conferences, workshops, courses, seminars
  • 1 Peer review of manuscripts
  • 1 Membership or other role in national/international committee, council, board

Aerosol Science and Technology (Journal)

Helmi-Marja Keskinen (Reviewer)
20 Aug 20171 Sep 2017

Activity: Publication peer-review and editorial work typesPeer review of manuscripts

AGU fall meeting

Helmi-Marja Keskinen (Attendee)
14 Dec 201518 Dec 2015

Activity: Participating in or organising an event typesOrganisation and participation in conferences, workshops, courses, seminars

Annual seminar of The Centre of Excellence in Atmospheric Science - From Molecular and Biological processes to The Global Climate and it was held in Kuopio 22.-24.9.2015

Helmi-Marja Keskinen (Poster Presentation)
22 Sep 201524 Sep 2015

Activity: Participating in or organising an event typesOrganisation and participation in conferences, workshops, courses, seminars

Department of Physics (Organisational unit)

Helmi-Marja Keskinen (Board member)
1 Jan 2015 → …

Activity: Membership typesMembership or other role in national/international committee, council, board

European Aerosol Conference (EAC 2015)

Helmi-Marja Keskinen (Attendee)
6 Sep 201511 Sep 2015

Activity: Participating in or organising an event typesOrganisation and participation in conferences, workshops, courses, seminars