Heikki Laakso

Publications

Research output per year 2008 2010 2011 2019

• 17 Conference contribution
• 11 Article
• 2 Conference article

Research output per year

Research output per year

Search results

• 2011

  CO2 efflux before and after a clear cut and prescribed burning of a boreal spruce forest

  Kulmala, L., Pumpanen, J., Levula, J., Rantanen, S., Laakso, H., Siivola, E., Kolari, P. & Vesala, T., 2011, Proceedings of the Finnish Center of Excellence and Graduate School in 'Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change' : Annual Workshop 18.–20.5.2011. p. 184-187 4 p. (Report series in aerosol science; vol. 126).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific

• New continental African supersite for atmospheric observations

  Laakso, L., Vakkari, V., Laakso, H., Kulmala, M., Beukes, P., Van Zyl, P., Pienaar, J. J., Tiitta, P., Josipovic, M., Venter, A., Jaars, K., Booyens, W., Aurela, M., Laurila, T., Laaksonen, A. & Worsnop, D., 2011, Proceedings of the Finnish Center of Excellence and Graduate School in 'Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change' Annual Workshop 18.–20.5.2011Proceedings of the Finnish Center of Excellence and Graduate School in 'Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change' Annual Workshop 18.–20.5.2011. p. 208-209 2 p. (Report series in aerosol science; vol. 126).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific

• Particle and ion formation and concentrations in the polluted area of Marikana, South- Africa

  Hirsikko, A. E., Tiitta, P., Vakkari, V., Manninen, H. E., Laakso, H., Kulmala, M., Mirme, A., Mirme, S., Mabaso, D., Gagne, S. & Laakso, L., 2011, Proceedings of the Finnish Center of Excellence and Graduate School in 'Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change' Annual Workshop 18.–20.5.2011. p. 131-134 4 p. (Report series in aerosol science; vol. 126).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific

• Sub-micron aerosol particle size distributions in clean and polluted Southern African savannah

  Vakkari, V., Laakso, H., Kulmala, M., Mabaso, D. & Laakso, L., 2011, Proceedings of the Finnish Center of Excellence and Graduate School in 'Physics, Chemistry, Biology and Meteorology ofAtmospheric Composition and Climate Change'. p. 391-394 4 p. (Report series in aerosol science; vol. 126).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific
• 2010

  Air mass history analysis of new particle formation in a semi-clean savannah environment

  Vakkari, V., Laakso, H., Kulmala, M., Mabaso, D., Molefe, M., Kgabi, N. & Laakso, L., 2010, Proceedings of International Aerosol Conference 2010.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific

• A novel automatic chamber to measure soil CO₂ efflux

  Kulmala, L., Pumpanen, J., Pohja, T., Laakso, H., Siivola, E., Hari, P. & Vesala, T., 17 May 2010, Proceedings of the Finnish Center of Excellence and Graduate School in 'Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change' Annual Workshop 17.-19.5.2010. 3 p. (Report series in aerosol science; vol. 109).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific

• Atmospheric aerosol composition at savannah environment and at mining region in South Africa

  Aurela, M., Laakso, L., Teinilä, K., Vakkari, V., Makkonen, U., Timonen, H., Laakso, H., Beukes, J. P., Pienaar, J. J., van Zyl, P. G. & Hillamo, R., 2010, Proceedings of International Aerosol Conference 2010.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific

• Boundary layer nucleation as a source of new CCN in savannah environment

  Laakso, L., Vakkari, V., Laakso, H., Merikanto, J., Kulmala, M., Molefe, M., Kgabi, N., Mabaso, D., Carslaw, K., Sparccklen, D. & Kerminen, V.-M., 2010, Proceedings of International Aerosol Conference.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific

• Optical properties of aerosol particles on industrialized South African Highveld

  Laakso, L., Virkkula, A. O., Vakkari, V., Backman, J. C. G., Laakso, H., Lihavainen, H., Beukes, P., Van Zyl, P., Pienaar, J. J., Chiloane, K., Wiedensohler, A., Tuch, T. & Kulmala, M., 2010, Proceedings of 4th annual EUCAARI meeting.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific

• Preliminary implications on the role of sulphuric acid in new particle formation in a semi-clean savannah environment

  Vakkari, V., Laakso, H., Kulmala, M., Mabaso, D., Molefe, M., Kgabi, N. & Laakso, L., 2010, EUCAARI annual meeting 2010.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific

• Preliminary results of Raman lidar measurements at the South African EUCAARI site

  Komppula, M., Mielonen, T., Arola, A., Korhonen, K., Lihavainen, H., Laakso, L., Vakkari, V., Laakso, H., Beukes, J. P., van Zyl, P. G., Pienaar, J. J., Chiloane, K., Baars, H., Engelmann, R., Althausen, D., Müller, D., Lehtinen, K. & Viisanen, Y., 2010, Proceedings of International Aerosol Conference 2010.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific

• Seasonal behaviour of new particle formation in a semi-clean savannah environment

  Vakkari, V., Laakso, H., Mabaso, D., Molefe, M., Kgabi, N., Kulmala, M. & Laakso, L., 2010, Proceedings of the Finnish Center of Excellence and Graduate School in 'Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change' Annual Workshop: 17.-19.5.2010. Kulmala, M., Bäck, J. & Nieminen, T. (eds.). Helsinki, 4 p. (Report Series in Aerosol Science; no. 109).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific

• Temporal assessment of atmospheric trace metals and inorganic ions in the industrialised western Bushveld Complex

  van Wyngaardt, G., Mabaso, D., Beukes, J. P., van Zyl, P. G., Laakso, L., Vakkari, V., Laakso, H., Pienaar, J. J. & Kulmala, M., 2010, NACA 2010 Annual Conference Proceedings.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific

• 2009

  Aerosol particle characteristics in a semi-clean savannah environment

  Vakkari, V., Laakso, H., Mabaso, D., Molefe, M., Kgabi, N., Kulmala, M. & Laakso, L., 2009, Proceedings of European Aerosol Conference 2009.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific

• Back-trajectory analysis of new particle formation in a semi-clean savannah environment

  Vakkari, V., Laakso, H., Mabaso, D., Molefe, M., Kgabi, N., Kulmala, M. & Laakso, L., 2009, Proceedings of the Finnish Center of Excellence and Graduate School in "Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change": Annual Workshop 27.–29.4.2009. Kulmala, M., Bäck, J., Nieminen, T. & Lauri, A. (eds.). Helsinki: Finnish Association for Aerosol Research, p. 439-443 5 p. (Report series in aerosol science; no. 102).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific

• New particle formation in a semi-clean savannah environment

  Vakkari, V., Laakso, H., Mabaso, D., Molefe, M., Kgabi, N., Kulmala, M. & Laakso, L., 2009, Proceedings of International Conference on Nucleation and Atmospheric Aerosols 2009.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific

• 2008

  New particle formation and aerosol particle characteristics in a semi-clean savanna environment

  Vakkari, V., Laakso, H., Mabaso, D., Molefe, M., Kgabi, N., Kulmala, M. & Laakso, L., 2008, Proceedings of the Finnish Graduate School “Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change” workshop 22.-23.4.2008: 17.-19.5.2010. Vol. 2008. (Report Series in Aerosol Science A; no. 97).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific