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Publications 1997 2018

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2018

Direct effect of aerosols on solar radiation and gross primary production in boreal and hemiboreal forests

Ezhova, E., Ylivinkka, I., Kuusk, J., Komsaare, K., Vana, M., Krasnova, A., Noe, S., Arshinov, M., Belan, B., Park, S-B., Lavric, J. V., Heimann, M., Petäjä, T., Vesala, T., Mammarella, I., Kolari, P., Bäck, J., Rannik, U., Kerminen, V-M. & Kulmala, M., 17 Dec 2018, In : Atmospheric Chemistry and Physics. 18, 24, p. 17863-17881 19 p.

Research output: Contribution to journalArticleScientificpeer-review

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Uncertainty of eddy covariance flux measurements over an urban area based on two towers

Järvi, L., Rannik, Ü., Kokkonen, T., Kurppa, M., Karppinen, A., Kouznetsov, R. D., Rantala, P., Vesala, T. & Wood, C. R., 2 Oct 2018, In : Atmospheric Measurement Techniques. 11, 10, p. 5421-5438 18 p.

Research output: Contribution to journalArticleScientificpeer-review

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2017

Boreal forest BVOC exchange: emissions versus in-canopy sinks

Zhou, P., Ganzeveld, L., Taipale, D., Rannik, U., Rantala, P., Rissanen, M. P., Chen, D. & Boy, M., 4 Dec 2017, In : Atmospheric Chemistry and Physics. 17, 23, p. 14309-14332 24 p.

Research output: Contribution to journalArticleScientificpeer-review

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Effects of precipitation and temperature on the growth variation of Scots pine-A case study at two extreme sites in Finland

Nöjd, P., Korpela, M., Hari, P., Rannik, U., Sulkava, M., Hollmen, J. & Mäkinen, H., Dec 2017, In : Dendrochronologia. 46, p. 35-45 11 p.

Research output: Contribution to journalArticleScientificpeer-review

Numerical framework for the computation of urban flux footprints employing large-eddy simulation and Lagrangian stochastic modeling

Auvinen, M., Järvi, L., Hellsten, A., Rannik, U. & Vesala, T., 17 Nov 2017, In : Geoscientific Model Development. 10, 11, p. 4187-4205 19 p.

Research output: Contribution to journalArticleScientificpeer-review

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Simulating ozone dry deposition at a boreal forest with a multi-layer canopy deposition model

Zhou, P., Ganzeveld, L., Rannik, Ü., Zhou, L., Gierens, R., Taipale, D., Mammarella, I. & Boy, M., 30 Jan 2017, In : Atmospheric Chemistry and Physics. 17, 2, p. 1361-1379 19 p.

Research output: Contribution to journalArticleScientificpeer-review

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2016

A DNS study of aerosol and small-scale cloud turbulence interaction

Babkovskaia, N., Rannik, U., Phillips, V., Siebert, H., Wehner, B. & Boy, M., 2016, In : Atmospheric Chemistry and Physics. 16, 12, p. 7889-7898 10 p.

Research output: Contribution to journalArticleScientificpeer-review

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Aerosol dynamics within and above forest in relation to turbulent transport and dry deposition

Rannik, U., Zhou, L., Zhou, P., Gierens, R., Mammarella, I., Sogachev, A. & Boy, M., 2016, In : Atmospheric Chemistry and Physics. 16, 5, p. 3145-3160 16 p.

Research output: Contribution to journalArticleScientificpeer-review

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Air humidity thresholds trigger active moss spore release to extend dispersal in space and time

Johansson, V., Lonnell, N., Rannik, U., Sundberg, S. & Hylander, K., Jul 2016, In : Functional Ecology. 30, 7, p. 1196-1204 9 p.

Research output: Contribution to journalArticleScientificpeer-review

Large-eddy simulation and stochastic modeling of Lagrangian particles for footprint determination in the stable boundary layer

Glazunov, A., Rannik, U., Stepanenko, V., Lykosov, V., Auvinen, M., Vesala, T. & Mammarella, I., 31 Aug 2016, In : Geoscientific Model Development. 9, 9, p. 2925-2949 25 p.

Research output: Contribution to journalArticleScientificpeer-review

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Neglecting diurnal variations leads to uncertainties in terrestrial nitrous oxide emissions

Shurpali, N. J., Rannik, U., Jokinen, S., Lind, S., Biasi, C., Mammarella, I., Peltola, O., Pihlatie, M., Hyvonen, N., Raty, M., Haapanala, S., Zahniser, M., Virkajarvi, P., Vesala, T. & Martikainen, P. J., 9 May 2016, In : Scientific Reports. 6, 9 p., 25739.

Research output: Contribution to journalArticleScientificpeer-review

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Random uncertainties of flux measurements by the eddy covariance technique

Rannik, Ü., Peltola, O. & Mammarella, I., 21 Oct 2016, In : Atmospheric Measurement Techniques. 9, 10, p. 5163-5181 19 p.

Research output: Contribution to journalArticleScientificpeer-review

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Seasonal and diurnal variation in CO fluxes from an agricultural bioenergy crop

Pihlatie, M., Rannik, U., Haapanala, S., Peltola, O., Shurpali, N., Martikainen, P. J., Lind, S., Hyvönen, N., Virkajärvi, P., Zahniser, M. & Mammarella, I., 4 Oct 2016, In : Biogeosciences. 13, 19, p. 5471-5485 15 p.

Research output: Contribution to journalArticleScientificpeer-review

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2015

A study of aerosol activation at the cloud edge with high resolution numerical simulations

Babkovskaia, N., Boy, M., Smolander, S., Romakkaniemi, S., Rannik, Ü. & Kulmala, M., Feb 2015, In : Atmospheric Research. 153, p. 49–58 10 p.

Research output: Contribution to journalArticleScientificpeer-review

Carbon dioxide and energy fluxes over a small boreal lake in Southern Finland

Mammarella, I., Nordbo, A., Rannik, U., Haapanala, S., Levula, J., Laakso, H., Ojala, A., Peltola, O., Heiskanen, J., Pumpanen, J. & Vesala, T., Jul 2015, In : Journal of Geophysical Research : Biogeosciences. 120, 7, p. 1296-1314 19 p.

Research output: Contribution to journalArticleScientificpeer-review

Intercomparison of fast response commercial gas analysers for nitrous oxide flux measurements under field conditions

Rannik, U., Haapanala, S., Shurpali, N., Mammarella, I., Lind, S., Hyvönen, N., Peltola, O., Zahniser, M., Martikainen, P. & Vesala, T., 2015, In : Biogeosciences. 12, p. 415-432 18 p.

Research output: Contribution to journalArticleScientificpeer-review

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Testing a mechanistic dispersal model against a dispersal experiment with a wind-dispersed moss

Lonnell, N., Norros, V., Sundberg, S., Rannik, U., Johansson, V., Ovaskainen, O. & Hylander, K., Sep 2015, In : Oikos. 124, 9, p. 1232-1240 9 p.

Research output: Contribution to journalArticleScientificpeer-review

2014

Do small spores disperse further than large spores?

Norros, V., Rannik, U., Hussein, T., Petaja, T., Vesala, T. & Ovaskainen, O., Jun 2014, In : Ecology. 95, 6, p. 1612-1621 10 p.

Research output: Contribution to journalArticleScientificpeer-review

Intercomparison of fast response commercial gas analysers for nitrous oxide flux measurements under field conditions

Rannik, Ü., Haapanala, S., Shurpali, N., Mammarella, I., Lind, S., Hyvönen, N., Peltola, O., Zahniser, M., Martikainen, P. & Vesala, T., 2014, In : Biogeosciences Discussions. 11, p. 11747-11783

Research output: Contribution to journalArticleScientific

Urban nitrous-oxide fluxes measured using the eddy-covariance technique in Helsinki, Finland

Jarvi, L., Nordbo, A., Rannik, U., Haapanala, S., Riikonen, A., Mammarella, I., Pihlatie, M. & Vesala, T., Sep 2014, In : Boreal Environment Research. 19, B, p. 108-121 14 p.

Research output: Contribution to journalArticleScientificpeer-review

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2013

Comparison between static chamber and tunable diode laser-based eddy covariance techniques for measuring nitrous oxide fluxes from a cotton field

Wang, K., Zheng, X., Pihlatie, M., Vesala, T., Liu, C., Haapanala, S., Mammarella, I., Rannik, U. & Liu, H., 15 Apr 2013, In : Agricultural and Forest Meteorology. 171, p. 9-19 11 p.

Research output: Contribution to journalArticleScientificpeer-review

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Evolution of the nocturnal decoupled layer in a Pine forest canopy

Alekseychik, P., Mammarella, I., Launiainen, S., Rannik, U. & Vesala, T., 15 Jun 2013, In : Agricultural and Forest Meteorology. 174-175, p. 15-27 13 p.

Research output: Contribution to journalArticleScientificpeer-review

Species traits and inertial deposition of fungal spores

Hussein, T., Norros, V., Hakala, J. P., Petaja, T., Aalto, P. P., Rannik, U., Vesala, T. & Ovaskainen, O., Jul 2013, In : Journal of Aerosol Science. 61, p. 81-98 18 p.

Research output: Contribution to journalArticleScientificpeer-review

2012

Ozone deposition into a boreal forest over a decade of observations: evaluating deposition partitioning and driving variables

Rannik, U., Altimir, N., Mammarella, I., Back, J., Rinne, J., Ruuskanen, T. M., Hari, P., Vesala, T. & Kulmala, M., 2012, In : Atmospheric Chemistry and Physics. 12, 24, p. 12165-12182 18 p.

Research output: Contribution to journalArticleScientificpeer-review

2011

Long-term aerosol particle flux observations. Part II: Particle size statistics and deposition velocities

Mammarella, I., Rannik, U., Aalto, P., Keronen, P., Vesala, T. & Kulmala, M., 2011, In : Atmospheric Environment. 45, p. 3794-3805 12 p.

Research output: Contribution to journalArticleScientificpeer-review

Particle concentration and flux dynamics in the atmospheric boundary layer as the indicator of formation mechanism

Lauros, J., Sogachev, A., Smolander, S., Vuollekoski, H., Sihto, S-L., Mammarella, I., Laakso, L., Rannik, U. & Boy, M., 16 Jun 2011, In : Atmospheric Chemistry and Physics. 11, p. 5591-5601 11 p.

Research output: Contribution to journalArticleScientificpeer-review

2010

A case study of eddy covariance flux of N2O measured within forest ecosystems: quality control and flux error analysis

Mammarella, I., Werle, P., Pihlatie, M., Eugster, W., Haapanala, S., Kiese, R., Markkanen, T., Rannik, U. & Vesala, T., 2010, In : Biogeosciences. 7, 2, p. 427-440 14 p.

Research output: Contribution to journalArticleScientificpeer-review

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2009

Annual particle flux observations over a heterogeneous urban area

Järvi, L., Rannik, U., Mammarella, I., Sogachev, A., Aalto, P. P., Keronen, P. I. R., Siivola, E., Kulmala, M. & Vesala, T., 2009, In : Atmospheric Chemistry and Physics. 9, 20, p. 7847-7856 10 p.

Research output: Contribution to journalArticleScientificpeer-review

Long-term aerosol particle flux observations part I: Uncertainties and time-average statistics

Rannik, U., Mammarella, I., Aalto, P., Keronen, P., Vesala, T. & Kulmala, M., 2009, In : Atmospheric Environment. 43, p. 3431-3439 9 p.

Research output: Contribution to journalArticleScientificpeer-review

Vertical advection and nocturnal deposition of ozone over a boreal pine forest

Rannik, U., Mammarella, I., Keronen, P. & Vesala, T., 2009, In : Atmospheric Chemistry and Physics. 9, p. 2089-2095 7 p.

Research output: Contribution to journalArticleScientificpeer-review

2008

CO fluxes near a forest edge: a numerical study

Sogachev, A., Leclerc, M. Y., Zhang, G., Rannik, U. & Vesala, T., 2008, In : Ecological Applications. 18, 6, p. 1454-1469 16 p.

Research output: Contribution to journalArticleScientificpeer-review

Flux and concentration footprint modelling: State of the art

Vesala, T., Kljun, N., Rannik, U., Rinne, J., Sogachev, A., Markkanen, T., Sabelfeld, K., Foken, T. & Leclerc, M. Y., 2008, In : Environmental Pollution. 152, p. 653-666 14 p.

Research output: Contribution to journalArticleScientificpeer-review

Surface-atmosphere interactions over complex urban terrain in Helsinki, Finland

Vesala, T., Järvi, L., Launiainen, S., Sogachev, A., Rannik, U., Mammarella, I., Siivola, E., Keronen, P., Rinne, J., Riikonen, A. & Nikinmaa, E., 2008, In : Tellus. Series B: Chemical and Physical Meteorology. 60, 2, p. 188-199 12 p.

Research output: Contribution to journalArticleScientificpeer-review

The dependence of the beta coefficient of REA system with dynamic deadband on atmospheric conditions

Gronholm, T., Haapanala, S., Launiainen, S., Rinne, J., Vesala, T. & Rannik, U., 2008, In : Environmental Pollution. 152, 3, p. 597-603 7 p.

Research output: Contribution to journalArticleScientificpeer-review

Upward fluxes of particles over forests: when, where, why?

Pryor, S. C., Barthelmie, R. J., Grönholm, T., Rannik, U., Kulmala, M. & Vesala, T., 2008, In : Tellus. Series B: Chemical and Physical Meteorology. 60, 3, p. 372-380 9 p.

Research output: Contribution to journalArticleScientificpeer-review

2007

Measurements of aerosol particle dry deposition velocity using the relaxed eddy accumulation technique

Grönholm, T., Aalto, P. P., Hiltunen, V., Rannik, U., Rinne, J., Laakso, L., Hyvönen, S., Vesala, T. & Kulmala, M., 2007, In : Tellus. Series B: Chemical and Physical Meteorology. 59, 3, p. 381-386 6 p.

Research output: Contribution to journalArticleScientificpeer-review

Particle fluxes over forests: analyses of flux methods and functional dependencies

Pryor, S. C., Larsen, S. E., Sorensen, L. L., Barthelmie, R. J., Grönholm, T., Kulmala, M., Launiainen, S., Rannik, U. & Vesala, T., 2007, In : Journal of Geophysical Research.

Research output: Contribution to journalArticleScientificpeer-review

Vertical variability and effect of stability on turbulence characteristics down to the floor of a pine forest

Launiainen, S., Vesala, T., Mölder, M., Mammarella, I., Smolander, S., Rannik, U., Kolari, P., Hari, P., Lindroth, A. & Katul, G., Nov 2007, In : Tellus. Series B: Chemical and Physical Meteorology. 59B, 5, p. 919-936 18 p.

Research output: Contribution to journalArticleScientificpeer-review

2006

Eddy covariance measurements of carbon exchange and latent and sensible heat fluxes over a boreal lake for a full open-water

Vesala, T., Huotari, J., Rannik, U., Suni, T., Smolander, S., Sogachev, A., Launiainen, S. & Ojala, A., 2006, In : Journal of Geophysical Research. 111, D11, p. D11101 12 p.

Research output: Contribution to journalArticleScientificpeer-review

Uncertainties in measurement and modelling of net ecosystem exchange of a forest

Rannik, U., Kolari, P., Vesala, T. & Hari, P., 2006, In : Agricultural and Forest Meteorology. 138, 1-4, p. 244-257 14 p.

Research output: Contribution to journalArticleScientificpeer-review

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, In : Verhandlungen der Internationalen Vereinigung für theoretische und angewandte Limnologie. 29, p. 590-593 4 p.

Research output: Contribution to journalArticleScientificpeer-review

Effect of thinning on surface fluxes in a boreal forest

Vesala, T., Suni, T., Rannik, Ü., Keronen, P., Markkanen, T., Sevanto, S., Grönholm, T., Smolander, S., Kulmala, M., Ilvesniemi, H., Ojansuu, R., Uotila, A., Levula, J., Mäkelä, A., Pumpanen, J., Kolari, P., Kulmala, L., Altimir, N., Berninger, F., Nikinmaa, E. & 1 othersHari, P., 2 Apr 2005, In : Global Biogeochemical Cycles. 19, p. GB2001 11 p.

Research output: Contribution to journalArticleScientificpeer-review

Nitrous oxide emissions from a beech forest floor measured by eddy covariance and soil enclosure technigues

Pihlatie, M., Rinne, J., Ambus, P., Pilegaard, K., Dorsey, J. R., Rannik, U., Markkanen, T., Launiainen, S. & Vesala, T., 2005, In : Biogeosciences. 2, 4, p. 377-387 11 p.

Research output: Contribution to journalArticleScientificpeer-review

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Quality analysis applied on eddy covariance measurements at complex forest sites using footprint modelling

Rebmann, C., Göckede, M., Foken, T., Aubinet, M., Markkanen, T., Rannik, U. & Vesala, T., 2005, In : Theoretical and Applied Climatology. 80, p. 121-141 21 p.

Research output: Contribution to journalArticleScientificpeer-review

Submicron sea spray fluxes

Geever, M., O'Dowd, C. D., van Ekeren, S., Flanagan, R., Nilsson, E. D., de Leeuw, G. & Rannik, U., 2005, In : Geophysical Research Letters. 32, p. L15810 4 p.

Research output: Contribution to journalArticleScientificpeer-review

Wintertime CO2 evolution from a boreal forest ecosystem

Ilvesniemi, H., Kähkönen, M. A., Pumpanen, J., Rannik, U., Wittmann, C., Perämäki, M., Keronen, P., Hari, P., Vesala, T., Salkinoja-Salonen, M. & Kähkönen, M., 2005, In : Boreal Environment Research. 10, 5, p. 401-408 8 p.

Research output: Contribution to journalArticleScientificpeer-review

2004

Aerosols in boreal forest: wintertime relations between formation events and bio-geo-chemical activity

Kulmala, M., Boy, M., Suni, T., Gaman, A., Raivonen, M., Aaltonen, V., Adler, H., Anttila, T., Fiedler, V., Gronholm, T., Hellen, H., Herrmann, E., Jalonen, R., Jussila, M., Komppula, M., Kosmale, M., Plauskaite, K., Reis, R., Savola, N., Soini, P. & 9 othersVirtanen, S., Aalto, P., Dal Maso, M., Hakola, H., Keronen, P., Vehkamäki, H. T. K., Rannik, Ü., Lehtinen, K. E. J. & Hari, P., 2004, In : Boreal Environment Research. 9, p. 63-74 12 p.

Research output: Contribution to journalArticleScientificpeer-review

A new feedback mechanism linking forests, aerosols, and climate

Kulmala, M., Suni, T., Lehtinen, K. E. J., Dal Maso, M., Boy, M., Reissell, A., Rannik, U., Aalto, P., Keronen, P., Hakola, H., Back, J. K., Hoffmann, T., Vesala, T. & Hari, P., 2004, In : Atmospheric Chemistry and Physics. 4, 2, p. 557-562 6 p.

Research output: Contribution to journalArticleScientificpeer-review