1988 …2022

Research output per year

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2007

Measurements of atmospheric processes and atmosphere-surface interactions at SMEAR III site, Helsinki

Vesala, T., Järvi, L., Rinne, J., Sogachev, A., Launiainen, S., Kulmala, M., Nikinmaa, E. & Hillamo, R., 2007, The 6th International Conference on Urban Climate. p. 713-715 3 p.

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

Measuring ecosystem scale VOC emissions by PTR-MS

Rinne, J., Taipale, R., Spirig, C., Ruuskanen, T. M., Markkanen, T., Vesala, T., Brunner, A., Ammann, C., Neftel, A., Douffet, T., Prigent, Y., Durand, P. & Kulmala, M., 2007, 3rd International Conference on Proton Transfer Reaction Mass Spectrometry and Its Applications - Contributions, January 27th - February 1st, 2007, Obergurgl, Austria, Conference Series. p. 76-79 4 p.

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

Results on flux tower measurements in Helsinki

Järvi, L., Vesala, T., Rinne, J., Sogachev, A. & Launiainen, S., 2007, The 6th International Conference on Urban Climate. p. 631-634 4 p.

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

2006

Condensation models as tools for investigating aerosol properties

Riipinen, I., Hietala, H., Tilvis, V., Winkler, P. M., Wagner, P. E., Gaman, A. I., Lehtinen, K. E. J., Vesala, T. & Kulmala, M., 2006, Proceedings of BACCI, NECC and FCoE activities 2005. Kulmala, M., Lindroth, A. & Ruuskanen, T. M. (eds.). p. 491-494 4 p. (Report Series in Aerosol Science; vol. 81B).

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

Long-term measurements of CO2 exchange over a boreal lake

Ojala, A., Huotari, J., Peltomaa, E. & Vesala, T., 2006, Proceedings of BACCI, NECC and FCoE activities 2005: Book B. Kulmala, M., Lindroth, A. & Ruuskanen, T. M. (eds.). Helsinki: Finnish Association for Aerosol Research, p. 438-441 4 p. (Report Series in Aerosol Science; no. 81B).

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

Methane and nitrous oxide exchange between atmosphere and three distinctive boreal pine forests

Pihlatie, M., Lohila, A., Rinne, J., Laurila, T., Aro, L., Laine, J., Minkkinen, K., Potila, H., Ilvesniemi, H. & Vesala, T., 2006, Integrated land ecosystem - atmosphere processes study: proceedings of the 1st iLEAPS Science Conference Boulder, Colorado, USA, 21-26 January 2006. Reissell, A. & Aarflot, A. (eds.). Helsinki: Finnish Association for Aerosol Research, p. 286-287 2 p. (Report Series in Aerosol Science; no. 79).

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

Night time CO2 storages below forest canopy estimated from continuous CO2 concentration profile measurements with NDIR based CO2 probe

Pumpanen, J., Launiainen, S., Kulmala, L., Järvi, L., Markkanen, T., Pohja, T., Siivola, E., Hari, P., Kolari, P., Nikinmaa, E., Lindroth, A., Lankreijer, H., Mölder, M., Strömgren, M. & Vesala, T., 2006, Proceedings of BACCI, NECC and FCoE activities 2005. p. 475-480 6 p.

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

Photosynthetic production of boreal forest floor vegetation: Seasonal and spatial variation

Kolari, P., Kulmala, L., Tupek, B., Alm, J., Hari, P., Ilvesniemi, H., Laine, J., Minkkinen, K., Pumpanen, J., Nikinmaa, E. & Vesala, T., 2006, Proceedings of BACCI, NECC and FCoE activities 2005. Kulmala, M., Lindroth, A. & Ruuskanen, T. M. (eds.). Finnish Association for Aerosol Research, p. 249-255 7 p. (Report Series in Aerosol Science 81; no. 81A).

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

2005

Application of the micrometeorological EC technique to CO2 flux measurements from a lake

Huotari, J., Kankaala, P., Keronen, P., Ojala, A., Peltomaa, E., Rannik, U. & Vesala, T., 2005, Proceedings of the International Association of Theoretical and Applied Limnology. Vol. 29:2. p. 590-593 4 p.

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

Footprint analysis for eddy covariance measurements on a small boreal lake

Smolander, S., Sogachev, A., Huotari, J., Ojala, A. & Vesala, T., 2005, Reseach Unit on Physics, Chemistry and Biology of Atmospheric Composition and Climate Change: III Progress Report and Proceedings of Seminar in Pallas 29.3.-1.4.2005. Kulmala, M. & Ruuskanen, T. (eds.). Helsinki: Finnish Association for Aerosol Research, p. 275-278 4 p. (Report Series in Aerosol Science; no. 73).

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

Linking the pressure field to the mean horizontal velocity for two dimensional ABL modelling

Sogachev, A., Smolander, S. & Vesala, T., 2005, Reseach Unit on Physics, Chemistry and Biology of Atmospheric Composition and Climate Change: III Progress Report and Proceedings of Seminar in Pallas 29.3.-1.4.2005. Kulmala, M. & Ruuskanen, T. (eds.). Helsinki: Finnish Association for Aerosol Research, p. 279-283 5 p. (Report Series in Aerosol Science; no. 73).

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

Surface flux measurements at Siikaneva peatland close to Hyytiälä measurement site

Vesala, T., Pihlatie, M., Rinne, J., Haapanala, S., Aurela, M., Laurila, T., Tuovinen, J-P., Riutta, T. E., Tuittila, E-S. & Laine, J., 2005, Research Unit on Physics, Chemistry and Biology of Atmospheric Composition and Climate Change: III Progress Report and Proceedings of Seminar. Finnish Association for Aerosol Research, p. 328-330 (Report series in aerosol science; vol. 73).

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

2004

Carbon and nitrogen fluxes in a forest ecosystem

Hari, P., Salkinoja-Salonen, M., Liski, J., Simojoki, A., Kolari, P., Aakala, T., Ilvesniemi, H., Jalonen, R., Kähkönen, M., Nikinmaa, E., Mäkelä, A., Pumpanen, J., Raivonen, M., Soini, P., Valkeapää, A., Vesala, T. & Kulmala, M., 2004, Research unit on physics, chemistry and biology of atmospheric composition and climate change: II progress report and proceedings.

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

Compensation point of NO[sub x] flux resulting from deposition and UV-driven emission

Raivonen, M., Altimir, N., Keronen, P., Pirjola, L., Vesala, T., Kulmala, M. & Hari, P., 2004, Research unit on physics, chemistry and biology of atmospheric composition and climate change: II progress report and proceedings. Finnish Association for Aerosol Research, (Report series in aerosol science; no. 68).

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

Ozone flux to vegetation and ozone sinks at the foliage surface

Altimir, N., Keronen, P., Rannik, U., Siivola, E., Suni, T., Tuovinen, J-P., Vesala, T., Kulmala, M. & Hari, P., 2004, Research unit on physics, chemistry and biology of atmospheric composition and climate change: II progress report and proceedings [of seminar in] Helsinki. p. 20-25

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

2003

Seasonal CO2 fluxes from a boreal lake: preliminary results with eddy covariance technique and on biological activities

Huotari, J., Ojala, A., Rannik, U., Keronen, P. I. R. & Vesala, T., 2003, Proceedings of the Sixth Finnish Conference of Environmental Sciences. p. 113-116

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

2002

Eddy covariance measurements of CO2 fluxes from a boreal lake in relation to biological activities

Ojala, A., Huotari, J., Rannik, U., Keronen, P. I. R. & Vesala, T., 2002, Symposium on Atmospheric Aerosols and Trace GAs Exchange Research. Finnish Association for Aerosol Research, p. 48-52 (Report Series in Aerosol Science; no. 58).

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

1998

On importance of physical phenomena in the temperature dependence of photosynthesis - A sensitivity analysis

Juurola, E., Vesala, T., Aalto, T., Markkanen, T. & Hari, P., 1998, Photosynthesis: mechanisms and effects. Garab, G. (ed.). Kluwer Academic, Vol. V. p. 3495-3498 4 p.

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

Response of mature Scots pines to SO2 and O-3 - A field study

Manninen, S., Ahonen, T., Rannik, U., Vesala, T., Tuovinen, J. P. & Huttunen, S., 1998, Responses of plant metabolism to air pollution and global change. Backhuys, p. 371-374 4 p.

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

Studies on CO2 exchange of Scots pine needles using cuvette field measurements and a 3-dimensional stomatal model including gaseous phase and leaf mesophyll

Aalto, T., Vesala, T., Mattila, T., Simbierowicz, P., Hari, P. & Juurola, E., 1998, Photosynthesis: mechanisms and effects. Garab, G. (ed.). Kluwer Academic, Vol. V. p. 3483-3486 4 p.

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

1996

Phase transitions in Finnish sauna

Vesala, T., 1996, Nucleation and atmospheric aerosols 1996. Kulmala, M. & Wagner, P. E. (eds.). p. 403-406 4 p.

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

The pre-existing particle distribution and the formation of cloud droplets: A model study

Rusko, N., Kousa, A., Jurvanen, A., Kulmala, M., Vesala, T. & Ruuskanen, J., 1996, Nucleation and atmospheric aerosols 1996. Kulmala, M. & Wagner, P. E. (eds.). p. 944-947 4 p.

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

1994

COMPARISON OF MODELS FOR AEROSOL VAPORISATION IN THE DISPERSION OF HEAVY CLOUDS

KUKKONEN, J., KULMALA, M., NIKMO, J., VESALA, T., WEBBER, D. M. & WREN, T., 1994, Air pollution modeling and its application X: Proceedings of the Twentieth NATO/CCMS International Technical Meeting held in Valencia, Spain, November 29-December 3, 1993 . Springer, p. 431-438 8 p. (NATO - Challenges of Modern Society; no. 18).

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

1991

ATMOSPHERIC DISPERSION OF AMMONIA RELEASED IN A MAJOR CHEMICAL ACCIDENT IN IONAVA, LITHUANIA

KUKKONEN, J., SAVOLAINEN, A. L., VALKAMA, I., JUNTTO, S. & VESALA, T., 1991, AIR POLLUTION MODELING AND ITS APPLICATIONS VIII. VANDOP, H. & STEYN, DG. (eds.). NEW YORK: Plenum Press, p. 607-608 2 p. (NATO - CHALLENGES OF MODERN SOCIETY; vol. 15).

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

MODELING THE DYNAMICS OF AEROSOLS IN 2-PHASE RELEASES OF HAZARDOUS MATERIALS

VESALA, T. & KUKKONEN, J., 1991, AIR POLLUTION MODELING AND ITS APPLICATIONS VIII. VANDOP, H. & Steyn, DG. (eds.). New York: Plenum Press, p. 613-614 2 p. (NATO - CHALLENGES OF MODERN SOCIETY; vol. 15).

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