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Publications 1988 2019

2004

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

Relaxed eddy accumulation system for size-resolved aerosol particle flux measurements

Gaman, A., Rannik, U., Aalto, P., Pohja, T., Siivola, E., Kulmala, M. & Vesala, T., 2004, In : Journal of Atmospheric and Oceanic Technology. 21, p. 933-943 11 p.

Research output: Contribution to journalArticleScientificpeer-review

Similarities in ground- and satellite-based NDVI time series and their relationship to physiological activity of a Scots pine forest in Finland

Wang, Q., Tenhunen, J., Dinh, NQ., Reichstein, M., Vesala, T. & Keronen, P., 30 Oct 2004, In : Remote Sensing of Environment. 93, 1-2, p. 225-237 13 p.

Research output: Contribution to journalArticleScientificpeer-review

2003

Air temperature triggers the recovery of evergreen boreal forest photosynthesis in spring

Suni, T., Berninger, F., Vesala, T., Markkanen, T., Hari, P., Mäkelä, A., Ilvesniemi, H., Hanninen, H., Nikinmaa, E., Huttula, T., Laurila, T., Aurela, M., Grelle, A., Lindroth, A., Arneth, A., Shibistova, O. & Lloyd, J., 2003, In : Global Change Biology. 9, p. 1410-1426 17 p.

Research output: Contribution to journalArticleScientificpeer-review

Analysis of measurement techniques to determine dry deposition velocities of aerosol particles with diameters less than 100 nm

Buzorius, G., Rannik, U., Nilsson, E. D., Vesala, T. & Kulmala, M., 2003, In : Journal of Aerosol Science. 34, 6, p. 747-764

Research output: Contribution to journalArticleScientificpeer-review

Estimation of different forest-related contributions to the radiative balance using observations in southern Finland

Kurtén, T., Kulmala, M., Dal Maso, M., Suni, T., Reissell, A., Vehkamäki, H., Hari, P., Laaksonen, A., Viisanen, Y. & Vesala, T., 2003, In : Boreal Environment Research. 8, 4, p. 275-285 11 p.

Research output: Contribution to journalArticleScientificpeer-review

Interannual variability and timing of growing-season CO2 exchange in a boreal forest

Suni, T., Berninger, F., Markkanen, T., Keronen, P., Rannik, U. & Vesala, T., 2003, In : Journal of Geophysical Research : Atmospheres. 108, p. - 8 p.

Research output: Contribution to journalArticleScientificpeer-review

Measuring shoot-level NOx flux in field conditions: the role of blank chambers

Raivonen, M., Keronen, P., Vesala, T., Kulmala, M. & Hari, P., 2003, In : Boreal Environment Research. 8, p. 445-455

Research output: Contribution to journalArticleScientificpeer-review

Ozone flux measurements over a scots pine forest using eddy covariance method: performance evaluation and comparison with flux-profile method

Keronen, P., Reissell, A., Rannik, U., Pohja, T., Siivola, E., Hiltunen, V., Hari, P., Kulmala, M. & Vesala, T., 10 Dec 2003, In : Boreal Environment Research. 8, 4, p. 425-443 19 p.

Research output: Contribution to journalArticleScientificpeer-review

Refilling of a hydraulically isolated embolised vessel: Model calculations.

Vesala, T., Hölttä, T., Perämäki, M. K. & Nikinmaa, E., 2003, In : Annals of Botany. 91, 4, p. 419-428

Research output: Contribution to journalArticleScientificpeer-review

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

Sugar transport together with environmental conditions controls time lags between xylem and stem diameter change.

Sevanto, S., Vesala, T., Perämäki, M. K. & Nikinmaa, E., 2003, In : Plant, Cell and Environment. 26, p. 1257-1265

Research output: Contribution to journalArticleScientificpeer-review

Ultraviolet light and leaf emission of NOx

Hari, P., Raivonen, M., Vesala, T., Munger, J. W., Pilegaard, K. & Kulmala, M., 2003, In : Nature. 422, p. 134-134

Research output: Contribution to journalArticleScientificpeer-review

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

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, In : Agricultural and Forest Meteorology. 111, 3, p. 187-202 16 p.

Research output: Contribution to journalArticleScientificpeer-review

Methodology for direct field measurements of ozone flux to foliage with shoot chambers

Altimir, N., Vesala, T., Keronen, P., Kulmala, M. & Hari, P., Jan 2002, In : Atmospheric Environment. 36, 1, p. 19-29 11 p.

Research output: Contribution to journalArticleScientificpeer-review

Relationships between Embolism, Stem Water Tension, and Diameter Changes.

Hölttä, T., Vesala, T., Perämäki, M. K. & Nikinmaa, E., 2002, In : Journal of Theoretical Biology. 215, p. 23-38

Research output: Contribution to journalArticleScientificpeer-review

Time lags for xylem and stem diameter variations in a Scots pine tree

Sevanto, S., Vesala, T., Perämäki, M. K. & Nikinmaa, E., 2002, In : Plant, Cell and Environment. 25, p. 1071-1077

Research output: Contribution to journalArticleScientificpeer-review

2001

Analysing the applicability of heat balance method for estimating sap flow in boreal forest conditions.

Perämäki, M. K., Vesala, T. & Nikinmaa, E., 2001, In : Boreal Environment Research. 6, p. 29-43

Research output: Contribution to journalArticleScientificpeer-review

An open chamber system for measuring soil surface CO2 efflux: Analysis of error sources related to the chamber system

Pumpanen, J., Ilvesniemi, H., Keronen, P., Nissinen, A., Pohja, T., Vesala, T. & Hari, P., 2001, In : Journal of Geophysical Research : Atmospheres. 106, p. 7985-7992 8 p.

Research output: Contribution to journalArticleScientificpeer-review

Eddy covariance fluxes over a boreal Scots pine forest

Markkanen, T., Rannik, U., Keronen, P., Suni, T. & Vesala, T., 2001, In : Boreal Environment Research. 6, 1, p. 65-78 14 p.

Research output: Contribution to journalArticleScientificpeer-review

Gap filling strategies for defensible annual sums of net ecosystem exchange

Falge, E., Baldocchi, D., Olson, R., Anthoni, P., Aubinet, M., Bernhofer, C., Burba, G., Ceulemans, R., Clement, R., Dolman, H., Granier, A., Gross, P., Grunwald, T., Hollinger, D., Jensen, NO., Katul, G., Keronen, P., Kowalski, A., Lai, CT., Law, BE. & 14 othersMeyers, T., Moncrieff, H., Moors, E., Munger, JW., Pilegaard, K., Rannik, U., Rebmann, C., Suyker, A., Tenhunen, J., Tu, K., Verma, S., Vesala, T., Wilson, K. & Wofsy, S., 1 Mar 2001, In : Agricultural and Forest Meteorology. 107, 1, p. 43-69 27 p.

Research output: Contribution to journalArticleScientificpeer-review

Gap filling strategies for long term energy flux data sets

Falge, E., Baldocchi, D., Olson, R., Anthoni, P., Aubinet, M., Bernhofer, C., Burba, G., Ceulemans, G., Clement, R., Dolman, H., Granier, A., Gross, P., Grunwald, T., Hollinger, D., Jensen, NO., Katul, G., Keronen, P., Kowalski, A., Lai, CT., Law, BE. & 14 othersMeyers, T., Moncrieff, J., Moors, E., Munger, JW., Pilegaard, K., Rannik, U., Rebmann, C., Suyker, A., Tenhunen, J., Tu, K., Verma, S., Vesala, T., Wilson, K. & Wofsy, S., 1 Mar 2001, In : Agricultural and Forest Meteorology. 107, 1, p. 71-77 7 p.

Research output: Contribution to journalArticleScientificpeer-review

Tree stem diameter variations and transpiration in Scots pine: an analysis using a dynamic sap flow model.

Perämäki, M. K., Nikinmaa, E., Sevanto, S., Hannu, I., Siivola, E., Hari, P. & Vesala, T., 2001, In : Tree Physiology. 21, p. 889-897

Research output: Contribution to journalArticleScientificpeer-review

Xylem diameter changes as an indicator of stand-level evapo-transpiration

Sevanto, S., Vesala, T., Peramaki, M., Pumpanen, J., Ilvesniemi, H. & Nikinmaa, E., 2001, In : Boreal Environment Research. 6, p. 45-52 8 p.

Research output: Contribution to journalArticleScientificpeer-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, In : Environmental and Chemical Physics. 22, 3-4, p. 97-102

Research output: Contribution to journalArticleScientificpeer-review

Do tree stems shrink and swell with the tides?

Vesala, T., Sevanto, S., Paatero, P., Nikinmaa, E., Perämäki, M. K., Ala-Nissilä, T., Kääriäinen, J., Virtanen, H., Irvine, J. & Grace, J., 2000, In : Tree Physiology. 20, p. 633-635

Research output: Contribution to journalArticleScientificpeer-review

1999

An improvement of the method for calibrating measurements of photosynthetic CO2 flux

Hari, P., Keronen, P., Back, J., Altimir, N., Linkosalo, T., Pohja, T., Kulmala, M. & Vesala, T., 1999, In : Plant, Cell and Environment. 22, 10, p. 1297-1301 5 p.

Research output: Contribution to journalArticleScientificpeer-review

1998

Analytical methods to calculate condensation rates of a multicomponent droplet

Lehtinen, K. E. J., Kulmala, M., Vesala, T. & Jokiniemi, J. K., 1998, In : Journal of Aerosol Science. 29, 9, p. 1035-1044 10 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 othersKulmala, M., 1998, In : Trends in Heat, Mass & Momentum Transfer. 4 , p. 17-35

Research output: Contribution to journalArticleScientificpeer-review

New estimate of the carbon sink strength of EU forests integrating flux measurements, field surveys, and space observations: 0.17-0.35 Gt(C)

Martin, P. H., Valentini, R., Jacques, M., Fabbri, K., Galati, D., Quaratino, R., Moncrieff, J. B., Jarvis, P., Jensen, N. O., Lindroth, A., Grelle, A., Aubinet, M., Ceulemans, R., Kowalski, A. S., Vesala, T., Keronen, P., Matteucci, G., Grainer, A., Berbingier, P., Loustau, D. & 11 othersGrelle, A., Schulze, E. D., Tenhunen, J., Rebman, C., Dolman, A. J., Elbers, J. E., Bernhofer, C., Grunwald, T., Thorgeirsson, H., Kennedy, P. & Folving, S., 1998, In : Ambio. 27, p. 582-584 3 p.

Research output: Contribution to journalArticleScientificpeer-review

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

On the concept of leaf boundary layer resistance for forced convection

Vesala, T., 1998, In : Journal of Theoretical Biology. 194, p. 91-100 10 p.

Research output: Contribution to journalArticleScientificpeer-review

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

Vertical aerosol particle fluxes measured by eddy covariance technique using condensational particle counter

Buzorius, G., Rannik, U., Makela, J. M., Vesala, T. & Kulmala, M., 1998, In : Journal of Aerosol Science. 29, p. 157-171 15 p.

Research output: Contribution to journalArticleScientificpeer-review

1997

Modelling of light-driven RuBP regeneration, carboxylation and CO2 diffusion for leaf photosynthesis

Lushnikov, A. A., Ahonen, T., Vesala, T., Juurola, E., Nikinmaa, E. & Hari, P., 1997, In : Journal of Theoretical Biology. 188, 2, p. 143-151 9 p.

Research output: Contribution to journalArticleScientificpeer-review

Models for condensational growth and evaporation of binary aerosol particles

Vesala, T., Kulmala, M., Rudolf, R., Vrtala, A. & Wagner, P. E., 1997, In : Journal of Aerosol Science. 28, 4, p. 565-598 34 p.

Research output: Contribution to journalArticleScientificpeer-review

On the condensational growth of a multicomponent droplet

Mattila, T., Kulmala, M. & Vesala, T., 1997, In : Journal of Aerosol Science. 28, p. 553-564 12 p.

Research output: Contribution to journalArticleScientificpeer-review

On the damping of temperature fluctuations in a circular tube relevant to the eddy covariance measurement technique

Rannik, U., Vesala, T. & Keskinen, R., 1997, In : Journal of Geophysical Research : Atmospheres. 102, p. 12789-12794 6 p.

Research output: Contribution to journalArticleScientificpeer-review

1996

Analysis of stomatal CO2 uptake by a three-dimensional cylindrically symmetric model

Vesala, T., Ahonen, T., Hari, P., Krissinel, E. & Shokhirev, N., 1996, In : New Phytologist. 132, 2, p. 235-245 11 p.

Research output: Contribution to journalArticleScientificpeer-review

Formation, growth, and properties of atmospheric aerosol particles and cloud droplets

Kulmala, M., Laaksonen, A., Aalto, P., Vesala, T., Pirjola, L., Kerminen, V-M., Korhonen, P., Hillamo, R., Virkkula, A. O. & Aurela, M., 1996, In : Geophysica. 32, 1-2, p. 217-233

Research output: Contribution to journalArticleScientificpeer-review

Generalized Kelvin equation and the water content of a cloud - Comment

Vesala, T. & Arstila, H., 1996, In : Physical review E : Statistical physics, plasmas, fluids, and related interdisciplinary topics. 54, 5, p. 5868-5869 2 p.

Research output: Contribution to journalArticleScientificpeer-review

Model simulation of the amount of soluble mass during cloud droplet formation

Korhonen, P., Kulmala, M. & Vesala, T., 1996, In : Atmospheric Environment. 30, p. 1773-1785 13 p.

Research output: Contribution to journalConference articleScientific

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 effect of hygroscopicity on cloud droplet formation

Kulmala, M., Korhonen, P., Vesala, T., Hansson, H. C., Noone, K. & Svenningsson, B., 1996, In : Tellus. Series B: Chemical and Physical Meteorology. 48, p. 347-360 14 p.

Research output: Contribution to journalArticleScientificpeer-review

Theoretical consideration on sticking probabilities

Clement, C. F., Kulmala, M. & Vesala, T., 1996, In : Journal of Aerosol Science. 27, p. 869-882 14 p.

Research output: Contribution to journalArticleScientificpeer-review