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Aki Olavi Virkkula

19952019
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Publications 1995 2019

  • 74 Article
  • 40 Conference contribution
  • 4 Conference article
2019

Interactions between the atmosphere, cryosphere, and ecosystems at northern high latitudes

Boy, M., Thomson, E. S., Acosta Navarro, J-C., Arnalds, O., Batchvarova, E., Bäck, J., Berninger, F., Bilde, M., Brasseur, Z., Dagsson-Waldhauserova, P., Castarède, D., Dalirian, M., de Leeuw, G., Dragosics, M., Duplissy, E-M., Duplissy, J., Ekman, A. M. L., Fang, K., Gallet, J-C., Glasius, M. & 43 othersGryning, S-E., Grythe, H., Hansson, H-C., Hansson, M., Isaksson, E., Iversen, T., Jonsdottir, I., Kasurinen, V., Kirkevåg, A., Korhola, A., Krejci, R., Kristjansson, J. E., Lappalainen, H. K., Lauri, A., Leppäranta, M., Lihavainen, H., Makkonen, R., Massling, A., Meinander, O., Nilsson, E. D., Olafsson, H., Pettersson, J. B. C., Prisle, N. L., Riipinen, I., Roldin, P., Ruppel, M., Salter, M., Sand, M., Seland, Ø., Seppä, H., Skov, H., Soares, J., Stohl, A., Ström, J., Svensson, J., Swietlicki, E., Tabakova, K., Thorsteinsson, T., Virkkula, A., Weyhenmeyer, G. A., Wu, Y., Zieger, P. & Kulmala, M., 14 Feb 2019, In : Atmospheric Chemistry and Physics. 19, 3, p. 2015-2061 47 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
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2018

Aerosol optical properties at SORPES in Nanjing, east China

Shen, Y., Virkkula, A., Ding, A., Wang, J., Chi, X., Nie, W., Qi, X., Huang, X., Liu, Q., Zheng, L., Xu, Z., Petäjä, T., Aalto, P. P., Fu, C. & Kulmala, M., 18 Apr 2018, In : Atmospheric Chemistry and Physics. 18, 8, p. 5265-5292 28 p.

Research output: Contribution to journalArticleScientificpeer-review

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A European aerosol phenomenology-6: scattering properties of atmospheric aerosol particles from 28 ACTRIS sites

Pandolfi, M., Alados-Arboledas, L., Alastuey, A., Andrade, M., Angelov, C., Artinano, B., Backman, J., Baltensperger, U., Bonasoni, P., Bukowiecki, N., Coen, M. C., Conil, S., Coz, E., Crenn, V., Dudoitis, V., Ealo, M., Eleftheriadis, K., Favez, O., Fetfatzis, P., Fiebig, M. & 40 othersFlentje, H., Ginot, P., Gysel, M., Henzing, B., Hoffer, A., Smejkalova, A. H., Kalapov, I., Kalivitis, N., Kouvarakis, G., Kristensson, A., Kulmala, M., Lihavainen, H., Lunder, C., Luoma, K., Lyamani, H., Marinoni, A., Mihalopoulos, N., Moerman, M., Nicolas, J., O'Dowd, C., Petäjä, T., Petit, J-E., Pichon, J. M., Prokopciuk, N., Putaud, J-P., Rodriguez, S., Sciare, J., Sellegri, K., Swietlicki, E., Titos, G., Tuch, T., Tunved, P., Ulevicius, V., Vaishya, A., Vana, M., Virkkula, A., Vratolis, S., Weingartner, E., Wiedensohler, A. & Laj, P., 5 Jun 2018, In : Atmospheric Chemistry and Physics. 18, 11, p. 7877-7911 35 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
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Amines in boreal forest air at SMEAR II station in Finland

Hemmilä, M., Hellén, H., Virkkula, A., Makkonen, U., Praplan, A. P., Kontkanen, J., Ahonen, L., Kulmala, M. & Hakola, H., 4 May 2018, In : Atmospheric Chemistry and Physics. 18, 9, p. 6367-6380 14 p.

Research output: Contribution to journalArticleScientificpeer-review

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Ion-induced sulfuric acid-ammonia nucleation drives particle formation in coastal Antarctica

Jokinen, T., Sipilä, M., Kontkanen, J., Vakkari, V., Tisler, P., Duplissy, E-M., Junninen, H., Kangasluoma, J., Manninen, H. E., Petäjä, T., Kulmala, M., Worsnop, D. R., Kirkby, J., Virkkula, A. & Kerminen, V-M., Nov 2018, In : Science Advances. 4, 11, 6 p., 9744.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
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2017

Features in air ions measured by an air ion spectrometer (AIS) at Dome C

Chen, X., Virkkula, A., Kerminen, V-M., Manninen, H. E., Busetto, M., Lanconelli, C., Lupi, A., Vitale, V., Del Guasta, M., Grigioni, P., Väänänen, R., Duplissy, E-M., Petäjä, T. & Kulmala, M., 20 Nov 2017, In : Atmospheric Chemistry and Physics. 17, 22, p. 13783-13800 18 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
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Observations of aerosol optical properties at a coastal site in Hong Kong, South China

Wang, J., Virkkula, A., Gao, Y., Lee, S., Shen, Y., Chi, X., Nie, W., Liu, Q., Xu, Z., Huang, X., Wang, T., Cui, L. & Ding, A., 22 Feb 2017, In : Atmospheric Chemistry and Physics. 17, 4, p. 2653-2671 19 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
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On Aethalometer measurement uncertainties and an instrument correction factor for the Arctic

Backman, J., Schmeisser, L., Virkkula, A., Ogren, J. A., Asmi, E., Starkweather, S., Sharma, S., Eleftheriadis, K., Uttal, T., Jefferson, A., Bergin, M., Makshtas, A., Tunved, P. & Fiebig, M., 21 Dec 2017, In : Atmospheric Measurement Techniques. 10, 12, p. 5039-5062 24 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
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The Impacts of Emission Control and Regional Transport on PM2.5 Ions and Carbon Components in Nanjing during the 2014 Nanjing Youth Olympic Games

Zhou, D., Li, B., Huang, X., Virkkula, A., Wu, H., Zhao, Q., Zhang, J., Liu, Q., Li, L., Li, C., Chen, F., Yuan, S., Qiao, Y., Shen, G. & Ding, A., Mar 2017, In : Aerosol and Air Quality Research. 17, 3, p. 730-740 11 p.

Research output: Contribution to journalArticleScientificpeer-review

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2016

Enhanced haze pollution by black carbon in megacities in China

Ding, A. J., Huang, X., Nie, W., Sun, J. N., Kerminen, V. -M., Petäjä, T., Su, H., Cheng, Y. F., Yang, X. -Q., Wang, M. H., Chi, X. G., Wang, J. P., Virkkula, A., Guo, W. D., Yuan, J., Wang, S. Y., Zhang, R. J., Wu, Y. F., Song, Y., Zhu, T. & 3 othersZilitinkevich, S., Kulmala, M. & Fu, C. B., 28 Mar 2016, In : Geophysical Research Letters. 43, 6, p. 2873-2879 7 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
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Soot-doped natural snow and its albedo - results from field experiments

Svensson, J., Virkkula, A., Meinander, O., Kivekäs, N., Hannula, H-R., Järvinen, O., Peltoniemi, J. I., Gritsevich, M., Heikkila, A., Kontu, A., Neitola, K., Brus, D., Dagsson-Waldhauserova, P., Anttila, K., Vehkamäki, M., Hienola, A., De Leeuw, G. & Lihavainen, H., 2016, In : Boreal Environment Research. 21, 5-6, p. 481-503 23 p.

Research output: Contribution to journalArticleScientificpeer-review

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2015

Aerosol size distribution and new particle formation in the western Yangtze River Delta of China: 2 years of measurements at the SORPES station

Qi, X. M., Ding, A. J., Nie, W., Petäjä, T., Kerminen, V. -M., Herrmann, E., Xie, Y. N., Zheng, L. F., Manninen, H., Aalto, P., Sun, J. N., Xu, Z. N., Chi, X. G., Huang, X., Boy, M., Virkkula, A., Yang, X. -Q., Fu, C. B. & Kulmala, M., 2015, In : Atmospheric Chemistry and Physics. 15, 21, p. 12445-12464 20 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
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Enhanced sulfate formation by nitrogen dioxide: Implications from in situ observations at the SORPES station

Xie, Y., Ding, A., Nie, W., Mao, H., Qi, X., Huang, X., Xu, Z., Kerminen, V-M., Petäjä, T., Chi, X., Virkkula, A., Boy, M., Xue, L., Guo, J., Sun, J., Yang, X., Kulmala, M. & Fu, C., 27 Dec 2015, In : Journal of Geophysical Research : Atmospheres. 120, 24, p. 12679-12694 16 p.

Research output: Contribution to journalArticleScientificpeer-review

Mobile ground-based measurements of aerosol and trace gases during a prescribed burning experiment in boreal forest in Finland

Pirjola, L., Virkkula, A., Petäjä, T., Levula, J., Kukkonen, J. & Kulmala, M., 27 Feb 2015, In : Boreal Environment Research. 20, 1, p. 105-119 15 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
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On the interpretation of the loading correction of the aethalometer

Virkkula, A., Chi, X., Ding, A., Shen, Y., Nie, W., Qi, X., Zheng, L., Huang, X., Xie, Y., Wang, J., Petäjä, T. & Kulmala, M., 2015, In : Atmospheric Measurement Techniques. 8, 10, p. 4415-4427 13 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
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2014

Absorption Ångström exponents calculated using different aethalometer corrections

Backman, J., Virkkula, A. & Dell’Acqua, A., 2014, Proceedings of ' the Center of Excellence in Atmospheric Sciences (CoE ATM) : From Molecular and Biological Processe s to the Global Climate ’ Annual Meeting 2014. Kulmala, M., Lintunen, A. & Kontkanen, J. (eds.). Finnish Association for Aerosol Research, FAAR, p. 186-189 4 p. (Report Series in Aerosol Science; no. 157).

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

Airborne measurements of aerosols and carbon dioxide during a prescribed fire experiment at a boreal forest site

Virkkula, A., Pohja, T., Aalto, P. P., Keronen, P., Schobesberger, S., Clements, C. B., Petäjä, T., Nikmo, J. & Kulmala, M., Sep 2014, In : Boreal Environment Research. 19, B, p. 153-181 29 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
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Applicability of an integrated plume rise model for the dispersion from wild-land fires

Kukkonen, J., Nikmo, J., Sofiev, M., Riikonen, K., Petäjä, T., Virkkula, A., Levula, J., Schobesberger, S. & Webber, D. M., 2014, In : Geoscientific Model Development. 7, 6, p. 2663-2681 19 p.

Research output: Contribution to journalArticleScientificpeer-review

Biomass-burning smoke episodes in Finland from eastern European wildfires

Leino, K., Riuttanen, L., Nieminen, T., Dal Maso, M., Väänänen, R., Pohja, T., Keronen, P., Järvi, L., Aalto, P. P., Virkkula, A., Kerminen, V-M., Petäjä, T. & Kulmala, M., 30 Sep 2014, In : Boreal Environment Research. 19, p. 275-292 17 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
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Brief communication: Light-absorbing impurities can reduce the density of melting snow

Meinander, O., Kontu, A., Virkkula, A., Arola, A., Backman, L., Dagsson-Waldhauserova, P., Jarvinen, O., Manninen, T., Svensson, J., de Leeuw, G. & Lepparanta, M., 2014, In : Cryosphere. 8, 3, p. 991-995 5 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
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Constrained two-stream algorithm for calculating aerosol light absorption coefficient from the Particle Soot Absorption Photometer

Müller, T., Virkkula, A. & Ogren, J. A., 2014, In : Atmospheric Measurement Techniques. 7, 12, p. 4049-4070 22 p.

Research output: Contribution to journalArticleScientificpeer-review

Differences in aerosol absorption Angstrom exponents between correction algorithms for a particle soot absorption photometer measured on the South African Highveld

Backman, J., Virkkula, A., Vakkari, V., Beukes, J. P., Van Zyl, P. G., Josipovic, M., Piketh, S., Tiitta, P., Chiloane, K., Petäjä, T., Kulmala, M. & Laakso, L., 2014, In : Atmospheric Measurement Techniques. 7, 12, p. 4285-4298 14 p.

Research output: Contribution to journalArticleScientificpeer-review

Differences in aerosol absorption Ångström exponents between correction algorithms for particle soot absorption photometer measured on South African Highveld

Backman, J. C. G., Virkkula, A. O., Vakkari, V., Beukes, P., van Zyl, P., Josipovic, M., Piketh, S., Tiitta, P., Chiloane, K., Petaja, T., Kulmala, M. & Laakso, L., 19 Sep 2014, In : Atmospheric Measurement Techniques Discussions. 7, 9, p. 9733-9769 37 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
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Optical and Chemical Characterization of Aerosols Emitted from Coal, Heavy and Light Fuel Oil, and Small-Scale Wood Combustion

Frey, A. K., Saarnio, K., Lamberg, H., Myllari, F., Karjalainen, P., Teinilä, K., Carbone, S., Tissari, J., Niemela, V., Häyrinen, A., Rautiainen, J., Kytömäki, J., Artaxo, P., Virkkula, A., Pirjola, L., Rönkkö, T., Keskinen, J., Jokiniemi, J. & Hillamo, R., 7 Jan 2014, In : Environmental Science & Technology. 48, 1, p. 827-836 10 p.

Research output: Contribution to journalArticleScientificpeer-review

Prescribed burning of logging slash in the boreal forest of Finland: emissions and effects on meteorological quantities and soil properties

Virkkula, A., Levula, J., Pohja, T., Aalto, P. P., Keronen, P., Schobesberger, S., Clements, C. B., Pirjola, L., Kieloaho, A. -J., Kulmala, L., Aaltonen, H., Patokoski, J., Pumpanen, J., Rinne, J., Ruuskanen, T., Pihlatie, M., Manninen, H. E., Aaltonen, V., Junninen, H., Petaja, T. & 16 othersBackman, J., Dal Maso, M., Nieminen, T., Olsson, T., Gronholm, T., Aalto, J., Virtanen, T. H., Kajos, M., Kerminen, V. -M., Schultz, D. M., Kukkonen, J., Sofiev, M., De Leeuw, G., Back, J., Hari, P. & Kulmala, M., 2014, In : Atmospheric Chemistry and Physics. 14, 9, p. 4473-4502 30 p.

Research output: Contribution to journalArticleScientificpeer-review

2013

Aerosol decadal trends - Part 1: In-situ optical measurements at GAW and IMPROVE stations

Coen, M. C., Andrews, E., Asmi, A., Baltensperger, U., Bukowiecki, N., Day, D., Fiebig, M., Fjaeraa, A. M., Flentje, H., Hyvärinen, A., Jefferson, A., Jennings, S. G., Kouvarakis, G., Lihavainen, H., Myhre, C. L., Malm, W. C., Mihapopoulos, N., Molenar, J. V., O'Dowd, C., Ogren, J. A. & 6 othersSchichtel, B. A., Sheridan, P., Virkkula, A., Weingartner, E., Weller, R. & Laj, P., 2013, In : Atmospheric Chemistry and Physics. 13, 2, p. 869-894 26 p.

Research output: Contribution to journalArticleScientificpeer-review

Airborne measurements over the boreal forest of southern Finland during new particle formation events in 2009 and 2010

Schobesberger, S., Väänänen, R., Leino, K., Virkkula, A. O., Backman, J. C. G., Pohja, T., Siivola, E., Franchin, A., Mikkilä, J., Paramonov, M., Aalto, P. P., Krejci, R., Petäjä, T. & Kulmala, M., 5 Apr 2013, In : Boreal Environment Research. 18, 2, p. 145-163 19 p.

Research output: Contribution to journalArticleScientificpeer-review

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Analysis of particle size distribution changes between three measurement sites in northern Scandinavia

Väänänen, R., Kyrö, E-M., Nieminen, T., Kivekäs, N., Junninen, H., Virkkula, A. O., Dal Maso, M., Lihavainen, H., Viisanen, Y., Svenningsson, B., Holst, T., Arneth, A., Aalto, P. P., Kulmala, M. & Kerminen, V-M., 2013, In : Atmospheric Chemistry and Physics. 13, 23, p. 11887-11903 17 p.

Research output: Contribution to journalArticleScientificpeer-review

Analysis of Particle Size Distribution Changes between Three Measurement Sites in Northern Scandinavia

Väänänen, R., Kyro, E-M., Nieminen, T., Kivekas, N., Junninen, H., Virkkula, A., Dal Maso, M., Lihavainen, H., Viisanen, Y., Svenningsson, B., Holst, T., Arneth, A., Aalto, P. P., Kulmala, M. & Kerminen, V-M., 2013, In : AIP Conference Proceedings. 1527, p. 531-534 4 p.

Research output: Contribution to journalConference articleScientific

Antarctic new particle formation from continental biogenic precursors

Kyrö, E. -M., Kerminen, V. -M., Virkkula, A., Dal Maso, M., Parshintsev, J., Ruiz-Jimenez, J., Forsström, L., Manninen, H. E., Riekkola, M. -L., Heinonen, P. & Kulmala, M., 2013, In : Atmospheric Chemistry and Physics. 13, 7, p. 3527-3546 20 p.

Research output: Contribution to journalArticleScientificpeer-review

Effective particle size estimated from total scattering coefficient and total number concentration

Virkkula, A. O., 2013, Proceedings of FCoE in 'Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change' Annual Meeting 2013. p. 557-562 6 p. (Report Series in Aerosol Science; vol. Nro 142 (2013)).

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

Experimental studies on the effects of black carbon on snow albedo

Virkkula, A. O., Aarva, A., Järvinen, O., Svensson, J., Kivekäs, N., Meinander, O., Hyvärinen, A., Neitola, K., Lihavainen, H., Hannula, H-R., Kontu, A., Anttila, K., Peltoniemi, J., Gritsevich, M., Hakala, T., Kaartinen, H., Lahtinen, P., Raaterova, A., Väänänen, R., Dagsson-Waldhauserova, P. & 2 othersBichell, R. E. & De Leeuw, G., 2013, Proceedings of FCoE in 'Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change' Annual Meeting 2013. p. 554-556 3 p. (Report Series in Aerosol Science; vol. Nro 142 (2013)).

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

NH3, HNO3 and HONO diurnal cycles in the summer of 2010 and 2012

Makkonen, U. & Virkkula, A. O., 2013, Proceedings of FCoE in 'Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change' Annual Meeting 2013. p. 374-376 3 p. (Report Series in Aerosol Science; vol. Nro 142 (2013)).

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

Non-standard measurement method of particle soot absorption photometer for absorption Ångstrom exponents

Backman, J. C. G., Virkkula, A. O., Vakkari, V., Beukes, J. P., van Zyl, P. G., JOSIPOVIC, M., Piketh, S., Tiitta, P., Chiloane, K., Pienaar, J. J., Wiedensohler, A., Tuch, T., Petaja, T., Kulmala, M. & Laakso, L., 2013, Proceedings of FCoE in 'Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change' Annual Meeting 2013. Finnish Association for Aerosol Research, FAAR, p. 176-178 3 p. (Report Series in Aerosol Science; vol. 142).

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

Observations of biomass burning smoke from Russian wild fire episodes in Finland 2010

Leino, K., Nieminen, T., Väänänen, R., Petaja, T., Jarvi, L., Keronen, P., Laurila, T., Virkkula, A., Pohja, T., Aalto, P. P. & Kulmala, M., 2013, In : AIP Conference Proceedings. 1527, p. 606-609 4 p.

Research output: Contribution to journalConference articleScientific

Observations of Russian wild fire smoke in Finland in summer 2010

Paananen, K., Nieminen, T., Riuttanen, L. I., Väänänen, R., Petaja, T., Järvi, L., Keronen, P. I. R., Virkkula, A. O., Pohja, T., Aalto, P. P. & Kulmala, M., 2013, Proceedings of FCoE in 'Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change' Annual Meeting 2013. p. 333-335 3 p. (Report Series in Aerosol Science; vol. Nro 142 (2013)).

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

Seasonal cycle and modal structure of particle number size distribution at Dome C, Antarctica

Järvinen, E., Virkkula, A., Nieminen, T., Aalto, P. P., Asmi, E., Lanconelli, C., Busetto, M., Lupi, A., Schioppo, R., Vitale, V., Mazzola, M., Petäjä, T., Kerminen, V-M. & Kulmala, M., 2013, In : Atmospheric Chemistry and Physics. 13, 15, p. 7473-7487 15 p.

Research output: Contribution to journalArticleScientificpeer-review

Validation of long-term observations using sample-air dilution with Particle Soot Absorption Photometer

Backman, J. C. G., Virkkula, A. O., Vakkari, V., Beukes, J. P., van Zyl, P., Josipovic, M., Tiitta, P., Chiloane, K., Fourie, G., Wiedensohler, A., Tuch, T., Petaja, T., Kulmala, M. & Laakso, L., 2013, AAAR 32nd Annual Conference. American Association for Aerosol Research

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

2012

Antarctic aerosol formation from continental biogenic sources

Kyrö, E-M., Virkkula, A. O., Kerminen, V-M., Dal Maso, M., Parshintsev, J., Ruiz-Jimenez, J., Forsström, L., Manninen, H. E., Heinonen, P., Riekkola, M-L. & Kulmala, M., 19 Sep 2012, Proceedings of the Finnish Center of Excellence in 'Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change' Annual Workshop 19.-21.9.2012. (Report series in aerosol science; no. 134).

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

Antarctic new particle formation from continental biogenic precursors

Kyrö, E-M., Kerminen, V-M., Virkkula, A. O., Dal Maso, M., Parshintsev, J., Ruiz-Jimenez, J., Forsström, L., Manninen, H. E., Riekkola, M-L., Heinonen, P. & Kulmala, M., 19 Dec 2012, In : Atmospheric Chemistry and Physics Discussions. 2012, 12, p. 32741-32794 54 p.

Research output: Contribution to journalArticleScientific

A seven Aethalometer correction algorithm intercomparison

Backman, J. C. G., Virkkula, A. O., Hyvärinen, A. & Dell'acqua, A., 2012, European Aerosol Conference 2012.

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

Continental source for secondary biogenic aerosols in Antarctica

Kyrö, E-M., Virkkula, A. O., Kerminen, V-M., Dal Maso, M., Parshintsev, J., Ruiz-Jimenez, J., Forsström, L., Manninen, H. E., Heinonen, P., Riekkola, M-L. & Kulmala, M., 2012, Proceedings of the Finnish Doctoral Programme in Atmospheric Composition and Climate Change ACCC Annual Meeting 9.–10.1.2012. p. 41 1 p. (Report series in aerosol science; no. 129).

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

Evaluation of sun photometer capabilities for retrievals of aerosol optical depth at high latitudes: The POLAR-AOD intercomparison campaigns

Mazzola, M., Stone, R. S., Herber, A., Tomasi, C., Lupi, A., Vitale, V., Lanconelli, C., Toledano, C., Cachorro, V. E., O'Neill, N. T., Shiobara, M., Aaltonen, V., Stebel, K., Zielinski, T., Petelski, T., Ortiz de Galisteo, J. P., Torres, B., Berjon, A., Goloub, P., Li, Z. & 6 othersBlarel, L., Abboud, I., Cuevas, E., Stock, M., Schulz, K. -H. & Virkkula, A., 2012, In : Atmospheric Environment. 52, p. 4-17 14 p.

Research output: Contribution to journalArticleScientificpeer-review

In-situ observations of Eyjafjallajokull ash particles by hot-air balloon

Petaja, T., Laakso, L., Gronholm, T., Launiainen, S., Evele-Peltoniemi, I., Virkkula, A., Leskinen, A., Backman, J., Manninen, H. E., Sipila, M., Haapanala, S., Hameri, K., Vanhala, E., Tuomi, T., Paatero, J., Aurela, M., Hakola, H., Makkonen, U., Hellen, H., Hillamo, R. & 9 othersVira, J., Prank, M., Sofiev, M., Siitari-Kauppi, M., Laaksonen, A., Iehtinen, K. E. J., Kulmala, M., Viisanen, Y. & Kerminen, V. -M., 2012, In : Atmospheric Environment. 48, p. 104-112 9 p.

Research output: Contribution to journalArticleScientificpeer-review

Long-term trends in air pollution and new particle formation in Eastern Lapland, Finland

Kyrö, E-M., Dal Maso, M., Virkkula, A. O., Nieminen, T., Aalto, P. P., Keronen, P. I. R., Hari, P. & Kulmala, M., 19 Sep 2012, Proceedings of the Finnish Center of Excellence in 'Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change' Annual Workshop 19.-21.9.2012. (Report series in aerosol science; no. 134).

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

Long-term volatility measurements of submicron atmospheric aerosol in Hyytiala, Finland

Häkkinen, S., Aijala, M., Lehtipalo, K., Junninen, H., Backman, J., Virkkula, A., Nieminen, T., Vestenius, M., Hakola, H., Ehn, M., Worsnop, D. R., Kulmala, M., Petaja, T. & Riipinen, I., 2012, In : Atmospheric Chemistry and Physics. 12, 22, p. 10771-10786 16 p.

Research output: Contribution to journalArticleScientificpeer-review

On the diurnal cycle of urban aerosols, black carbon and the occurrence of new particle formation events in springtime São Paulo, Brazil

Backman, J., Rizzo, L., Hakala, J., Nieminen, T., Manninen, H. E., Morais, F., Aalto, P. P., Siivola, E., Carbone, S., Hillamo, R., Artaxo, P., Virkkula, A., Petäjä, T. & Kulmala, M., 11 Dec 2012, In : Atmospheric Chemistry and Physics. 12, 23, p. 11733-11751 19 p.

Research output: Contribution to journalArticleScientificpeer-review