Foto på Leena Järvi
  • PL 68 (Pietari Kalmin katu 5)

    00014

    Finland

  • Yliopistonkatu 3, Porthania

    00100 Helsinki

    Unknown

20062023
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Publikationer 2006 2019

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Konferensbidrag
2018

High-resolution measurements on the spatial variability of urban air quality for model evaluation purposes

Kurppa, M., Pirjola, L., Malinen, A., Kuuluvainen, H., Rönkkö, T., Irjala, M., Balling, A., Niemi, J. V. & Järvi, J., 2018, Proceedings of ‘The Centre of Excellence in Atmospheric Science (CoE ATM): 'From Molecular and Biological processes to The Global Climate’, Annual Meeting 2018. Haapanala, P., Lintunen, A., Enroth, J. & Kulmala, M. (red.). Helsinki: Aerosolitutkimusseura ry – Finnish Association for Aerosol Research FAAR, s. 228-231 4 s. (Report Series in Aerosol Science; nr. 215).

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskaplig

Öppen tillgång
2017

High-resolution dispersion and air quality modelling in urban areas

Kurppa, M. L. V., Hellsten, A., Auvinen, M. J. S. & Järvi, L. J., 2017, Proceedings of 'the Center of Excellence in Atmospheric Sciences (CoE ATM) – From Molecular and Biological Processes to the Global Climate': Annual Meeting 2017. Haapanala, P., Lintunen, A., Enroth, J. & Kulmala, M. (red.). Helsinki: Finnish Association for Aerosol Research, s. 319-321 3 s. (Report Series in Aerosol Science; nr. 202).

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskaplig

Öppen tillgång

Intercomparison of sixparticle counters: impact on eddy covariance measurement data

Enroth, J. A., Järvi, L. J., Aalto, P. P., Zdimal, V. & Petäjä, T. T., 2017, Proceedings of ‘The Centre of Excellence in Atmospheric Science (CoE ATM) – From Molecular and Biological processes to The Global Climate’ Annual Meeting 2017. Haapanala, P., Lintunen, A., Enroth, J. & Kulmala, M. (red.). Helsinki: Finnish Association for Aerosol Research FAAR, s. 196-198 3 s. (Report Series in Aerosol Science; nr. 202).

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskaplig

Öppen tillgång

Sensitivity of the urban land surface model SUEWS to WATCH forcing data

Kokkonen, T. V., Grimmond, S., Räty, O. E., Ward, H., Christen, A., Oke, T., Kotthaus, S. & Järvi, L. J., 2016, I : Report Series in Aerosol Science. 189, s. 242–244 3 s.

Forskningsoutput: TidskriftsbidragKonferensartikelVetenskaplig

2015

An empirical approach to estimate the biogenic components of CO2 flux

Bellucco, V., Grimmond, S., Marras, S., Järvi, L. J. & Spano, D., 2015, 9th International Conference on Urban Climate jointly with 12th Symposium on the Urban Environment. s. 1-12 12 s.

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragProfessionell

Seasonal comparison of three urban land surface schemes in a high-latitude city of Helsinki

Järvi, L. J., Karsisto, P., Fortelius, C., Demuzere, M., Grimmond, S., Oleson, K. & Kouznetsov, R., 2015, Unknown host publication.

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskaplig

Urban Multi-scale Environmental Predictor: An integrated tool for urban climatology and climate sensitive planning applications

Lindberg, F., Grimmond, S., Onomura, S. & Järvi, L. J., 2015, 9th International Conference on Urban Climate jointly with 12th Symposium on the Urban Environment.

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragProfessionell

Using observations to improve modelled energy, water and carbon exchanges for urban areas

Ward, H., Grimmond, S., Kotthaus, S., Järvi, L. J., Lindberg, F., Evans, J., Morrison, W. & Mustchin, J., 2015, Unknown host publication.

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragProfessionell

2014

Greenhouse gases and micrometeorology research team: overview of scientific activities

Mammarella, I., Vesala, T., Alekseychik, P., Dengel, S., Erkkilä, K-M., Heiskanen, J., Keronen, P., Kolari, P., Nordbo, A., Peltola, O., Provenzale, M., Räsänen, M., Rannik, U., Aalto, T., Järvi, L., Laurila, T., Ojala, A., Tuittila, E-S., Levula, J., Praplan, A. & 4 andraPihlatie, M., Rinne, J., Pumpanen, J. & Bäck, J., 2014, Proceedings of 'the Center of Excellence in Atmospheric Sciences (CoE ATM) –From Molecular and Biological Processes to the Global Climate’ Annual Meeting 2014. Kulmala, M., Lintunen, A. & Kontkanen, J. (red.). Helsinki: Finnish Association for Aerosol Research, s. 99-105 7 s. (Report Series in Aerosol Science; vol. 157).

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskaplig

2013

Modelling of surface energy and water balance in high latitude cities – impact of snow

Järvi, L., Grimmond, C. S. B., Nordbo, A., Strachan, I., Taka, M. K. & Setälä, H. M., 2013, Proceedings of FCoE in 'Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change' Annual Meeting 2013. s. 244-248 5 s. (Report Series in Aerosol Science; vol. Nro 142 (2013)).

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskaplig

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, I : AIP Conference Proceedings. 1527, s. 606-609 4 s.

Forskningsoutput: TidskriftsbidragKonferensartikelVetenskaplig

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. s. 333-335 3 s. (Report Series in Aerosol Science; vol. Nro 142 (2013)).

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskaplig

Urban surface cover determined using airborne lidar in Helsinki

Nordbo, A. & Järvi, L., 2013, Proceedings of FCoE in 'Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change' Annual Meeting 2013. s. 423-428 6 s. (Report Series in Aerosol Science; vol. Nro 142 (2013)).

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskaplig

VOC measurements with PTR-MS at urban background site in Helsinki

Rantala, P., Haapanala, S., Kajos, M. K., Patokoski, J., Järvi, L., Taipale, R., Rinne, J. & Ruuskanen, T., 2013, Proceedings of FCoE in 'Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change' Annual Meeting 2013. s. 479-481 3 s. (Report Series in Aerosol Science; vol. Nro 142 (2013)).

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskaplig

2011

Evaluation of the surface urban energy and water balance scheme (SUEWS) in Helsinki

Järvi, L., Grimmond, C. S. B., Nordbo, A., Setälä, H. M., Taka, M., Siivola, E., Ruth, O. & 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'. s. 144-147 4 s. (Report series in aerosol science; vol. 126).

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskaplig

Multisite analysis of urban flux measurements in Helsinki

Nordbo, A., Järvi, L., Haapanala, S. & 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. s. 281-286 6 s. (Report series in aerosol science; vol. 126).

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskaplig

Surface Urban Energy and Water Balance Scheme –SUEWS

Järvi, L., Grimmond, S. & Christen, A., 2011, Unknown host publication. 2 s.

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskaplig

2010

Aerosol Particle number fluxes observed in Helsinki, Finland

Järvi, L., Rannik, U., Mammarella, I., Kulmala, M. & Vesala, T., 2010, Unknown host publication.

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskaplig

Eddy covariance methodologies revisited for urban measurements

Nordbo, A., Järvi, L. & Vesala, T., 2010, Unknown host publication.

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskaplig

Fil

Long-term surface-atmosphere interaction measurements in Helsinki, Finland

Järvi, L., Rannik, U., Mammarella, I., Nordbo, A. I. & Vesala, T., 2010, Unknown host publication.

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskaplig

Recent developments and evaluation of the LUMPS-NARP urban land surface scheme.

Loridan, T., Grimmond, S., Offerle, B., Young, D., Smith, T. & Järvi, L., 2010, Abstracts of the Ninth Symposium on Urban Climate.

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskaplig

Single-source urban evaporation-interception scheme (SUES-2): recent developments

Järvi, L. & Grimmond, S., 2010, Unknown host publication.

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskaplig

Urban water balance in Vancouver: impacts of changes in land cover

Järvi, L., Grimmond, S., Loridan, T., Oke, T., Christen, A. & Crawford, B., 2010, Unknown host publication.

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskaplig

2009

Continuous net CO2 flux measurements in complex urban environment in Helsinki, Finland

Järvi, L., Mammarella, I., Siivola, E., Keronen, P., Eugster, W. & Burba, G., 2009, Proceedings of the 7th International Conference on Urban Climate ICUC-7. 4 s.

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskapligPeer review

Online-measurements of physical and chemistry of urban aerosols.

Järvi, L., Hillamo, R., Saarikoski, S., Hussein, T., Rannik, U., Carbone, S., Vesala, T. & Kulmala, M., 2009, Unknown host publication.

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskaplig

The direct measurements of aerosol particle number fluxes in Helsinki, Finland

Järvi, L., Rannik, U., Mammarella, I., Siivola, E., Aalto, P. P., Kulmala, M. & Vesala, T., 2009, Abstracts of the 7th International Conference on Air Quality-Science and Application.

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskaplig

2008

Aerosol particle number concentrations and turbulent exchange in urban measurement station SMEAR III in Helsinki, Finland

Järvi, L., Vesala, T., Hussein, T., Hannuniemi, H. & Kulmala, M., 2008, Proceedings of the Nordic Center of Excellence BACCI (Biosphere-Atmosphere-Cloud-Climate Interactions) and the Finnish Center of Excellence 'Research Unit on Physics, Chemistry and Biology of Atmospheric Composition Climate Chance' activities in 2002-2007 / editors: Markku Kulmala, Jaana Bäck and Martta Salonen. s. 72-76 5 s. (Report series in aerosol science; nr. 93).

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskaplig

Continuous air pollution and surface-atmosphere interaction measurements at the SMEAR III station in Helsinki, Finland

Järvi, L., Hannuniemi, H., Hussein, T., Junninen, H., Aalto, P. P., Hillamo, R., Mäkelä, T., Keronen, P. I. R., Siivola, E., Vesala, T. & Kulmala, M., 2008, European Aerosol Conference, EAC 2008.

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskaplig

Micrometeorological studies of biosphere-atmosphere exchange

Vesala, T., Launiainen, S., Aalto, P., Aaltonen, H., Grönholm, T., Haapanala, S., Hannuniemi, H., Hölttä, T., Järvi, L., Keronen, P., Kieloaho, A-J., Kulmala, M., Mammarella, I., Pihlatie, M., Rannik, U., Rinne, J., Sevanto, S., Sogachev, A., Suni, T., Taipale, R. & 17 andraAalto, T., Aurela, M., Laurila, T., Viisanen, Y., Markkanen, T. S., Huotari, J., Ojala, A., Ilvesniemi, H., Altimir, N., Kolari, P., Kulmala, L., Mäkelä, A., Nikinmaa, E., Perämäki, M., Riutta, T., Tuittila, E-S. & Hari, P., 2008, Proceedings of the Finnish Center of Excellence "Research Unit on Physics, Chemistry and Biology of Atmospheric Composition and Climate Change" activities in 2002-2007 / editors: Markku Kulmala, Jaana Bäck, and Martta Salonen. Finnish Association for Aerosol Research, s. 5-14 10 s. (Report series in aerosol science; nr. 94).

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskaplig

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. s. 713-715 3 s.

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskapligPeer 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. s. 631-634 4 s.

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskapligPeer review

2006

Black carbon concentrations in Helsinki during ten years

Järvi, L., Junninen, H., Hillamo, R., Mäkelä, T., Virkkula, A. & Kulmala, M., 2006, NOSA 2006 Aerosol symposium, combined with the X Finnish National Aerosol Symposium, Finnish-Czech Aerosol Symposium, and BACCI workshop, Helsinki 8.-10.11.2006. Vehkamäki, H., Bergman, T., Julin, J., Salonen, M. & Kulmala, M. (red.). Helsinki, s. 130-133 4 s. (Report Series in Aerosol Science; vol. 83).

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskapligPeer review

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. s. 475-480 6 s.

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskapligPeer review