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Publications 2006 2019

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2019

Implementation of the sectional aerosol module SALSA2.0 into the PALM model system 6.0: Model development and first evaluation

Kurppa, M., Hellsten, A., Roldin, P., Kokkola, H., Tonttila, J., Auvinen, M., Kent, C. W., Kumar, P., Maronga, B. & Järvi, L., 11 Apr 2019, In : Geoscientific Model Development. 12, 4, p. 1403-1422 20 p.

Research output: Contribution to journalArticleScientificpeer-review

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Simulation of the radiative effect of haze on the urban hydrological cycle using reanalysis data in Beijing

Kokkonen, T. V., Grimmond, S., Murto, S., Huizhi, L., Sundström, A-M. & Järvi, L., 24 May 2019, In : Atmospheric Chemistry and Physics. 19, 10, p. 7001-7017 17 p.

Research output: Contribution to journalArticleScientificpeer-review

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2018

Changes to the Water Balance Over a Century of Urban Development in Two Neighborhoods: Vancouver, Canada

Kokkonen, T. V., Grimmond, C. S. B., Christen, A., Oke, T. R. & Järvi, L., Sep 2018, In : Water Resources Research. 54, 9, p. 6625-6642 18 p.

Research output: Contribution to journalArticleScientificpeer-review

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On the application of spectral corrections to particle flux measurements

Oosterwijk, A., Henzing, B. & Järvi, L., 1 Oct 2018, In : Environmental Science: Nano. 5, 10, p. 2315-2324 10 p.

Research output: Contribution to journalArticleScientificpeer-review

Sensitivity of Surface Urban Energy and Water Balance Scheme (SUEWS) to downscaling of reanalysis forcing data

Kokkonen, T. V., Grimmond, C. S. B., Räty, O., Ward, H. C., Christen, A., Oke, T. R., Kotthaus, S. & Järvi, L., Mar 2018, In : Urban Climate . 23, p. 36-52 17 p.

Research output: Contribution to journalArticleScientificpeer-review

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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Urban Multi-scale Environmental Predictor (UMEP): An integrated tool for city-based climate services

Lindberg, F., Grimmond, C. S. B., Gabey, A., Huang, B., Kent, C. W., Sun, T., Theeuwes, N. E., Järvi, L., Ward, H. C., Capel-Timms, I., Chang, Y., Jonsson, P., Krave, N., Liu, D., Meyer, D., Olofson, K. F. G., Tan, J., Wastberg, D., Xue, L. & Zhang, Z., Jan 2018, In : Environmental Modelling & Software. 99, p. 70-87 18 p.

Research output: Contribution to journalArticleScientificpeer-review

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Ventilation and Air Quality in City Blocks Using Large-Eddy Simulation—Urban Planning Perspective

Kurppa, M., Hellsten, A., Auvinen, M., Raasch, S., Vesala, T. & Jarvi, L., Feb 2018, In : Atmosphere - Ocean. 9, 2, 27 p., 65.

Research output: Contribution to journalArticleScientificpeer-review

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2017

Impact of urban canopy models and external parameters on the modelled urban energy balance in a tropical city

Demuzere, M., Harshan, S., Järvi, L., Roth, M., Grimmond, C. S. B., Masson, V., Oleson, K. W., Velasco, E. & Wouters, H., Apr 2017, In : Quarterly Journal of the Royal Meteorological Society. 143, 704, p. 1581-1596 16 p.

Research output: Contribution to journalArticleScientificpeer-review

Modelling the biogenic CO2 exchange in urban and non-urban ecosystems through the assessment of light-response curve parameters

Bellucco, V., Marras, S., Grimmond, C. S. B., Järvi, L., Sirca, C. & Spano, D., 15 Apr 2017, In : Agricultural and Forest Meteorology. 236, p. 113-122 10 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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Warming effects on the urban hydrology in cold climate regions

Järvi, L., Grimmond, C. S. B., McFadden, J. P., Christen, A., Strachan, I. B., Taka, M., Warsta, L. & Heimann, M., 19 Jul 2017, In : Scientific Reports. 7, 8 p., 5833.

Research output: Contribution to journalArticleScientificpeer-review

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2016

Anthropogenic and biogenic influence on VOC fluxes at an urban background site in Helsinki, Finland

Rantala, P., Järvi, L., Taipale, R., Laurila, T. K., Patokoski, J., Kajos, M. K., Kurppa, M., Haapanala, S., Siivola, E., Petäjä, T., Ruuskanen, T. M. & Rinne, J., 2016, In : Atmospheric Chemistry and Physics. 16, 12, p. 7981-8007 27 p.

Research output: Contribution to journalArticleScientificpeer-review

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Enhanced air pollution via aerosol-boundary layer feedback in China

Petäjä, T., Järvi, L., Kerminen, V. -M., Ding, A. J., Sun, J. N., Nie, W., Kujansuu, J., Virkkula, A., Yang, X. -Q., Fu, C. B., Zilitinkevich, S. & Kulmala, M., 12 Jan 2016, In : Scientific Reports. 6, 6 p., 18998.

Research output: Contribution to journalArticleScientificpeer-review

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Environmental and crown related factors affecting street tree transpiration in Helsinki, Finland

Riikonen, A., Järvi, L. & Nikinmaa, E., Dec 2016, In : Urban Ecosystems. 19, 4, p. 1693-1715 23 p.

Research output: Contribution to journalArticleScientificpeer-review

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Seasonal surface urban energy balance and wintertime stability simulated using three land-surface models in the high-latitude city Helsinki

Karsisto, P., Fortelius, C., Demuzere, M., Grimmond, C. S. B., Oleson, K. W., Kouznetsov, R., Masson, V. & Järvi, L., Jan 2016, In : Quarterly Journal of the Royal Meteorological Society. 142, 694, p. 401-417 17 p.

Research output: Contribution to journalArticleScientificpeer-review

Surface Urban Energy and Water Balance Scheme (SUEWS): Development and evaluation at two UK sites

Ward, H. C., Kotthaus, S., Järvi, L. & Grimmond, C. S. B., 2016, In : Urban Climate . 18, p. 1-32 32 p.

Research output: Contribution to journalArticleScientificpeer-review

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2015

Effect of seasonal variability and land use on particle number and CO2 exchange in Helsinki, Finland

Kurppa, M. L. V., Nordbo, A. I., Haapanala, S. A. & Järvi, L. J., 2015, In : Urban Climate . 13, p. 94-109 16 p.

Research output: Contribution to journalArticleScientificpeer-review

Footprint Evaluation for Flux and Concentration Measurements for an Urban-Like Canopy with Coupled Lagrangian Stochastic and Large-Eddy Simulation Models

Hellsten, A., Luukkonen, S-M., Steinfeld, G., Kanani-Suehring, F., Markkanen, T., Järvi, L., Lento, J., Vesala, T. & Raasch, S., Nov 2015, In : Boundary-Layer Meteorology. 157, 2, p. 191-217 27 p.

Research output: Contribution to journalArticleScientificpeer-review

Urban surface cover determined with airborne lidar at 2 m resolution - implications for surface energy balance modelling

Nordbo, A. I., Karsisto, P., Matikainen, L., Wood, C. & Järvi, L. J., 2015, In : Urban Climate . 13, p. 52-72 21 p.

Research output: Contribution to journalArticleScientificpeer-review

2014

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

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Development of the Surface Urban Energy and Water Balance Scheme (SUEWS) for cold climate cities

Järvi, L., Grimmond, C. S. B., Taka, M., Nordbo, A., Setälä, H. & Strachan, I. B., 2014, In : Geoscientific Model Development. 7, 4, p. 1691-1711 21 p.

Research output: Contribution to journalArticleScientificpeer-review

Fingerprints of Urban Particle Number Size Distribution in Helsinki – Finland: Local versus Regional Characteristics

Hussein, T., Mölgaard, B., Hannuniemi, H., Martikainen, J., Järvi, L., Wegner, T., Ripamonti, G., Weber, S., Vesala, T. & Hämeri, K., 2014, In : Boreal Environment Research. 19, p. 1–20 20 p.

Research output: Contribution to journalArticleScientificpeer-review

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Finnish Centre of Excellence in Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change: summary and outlook

Kulmala, M., Lappalainen, H. K., Back, J., Laaksonen, A., Nikinmaa, E., Riekkola, M-L., Vesala, T., Viisanen, Y., Aalto, T., Boy, M., Dal Maso, M., Ehn, M., Hakola, H., Hari, P., Hartonen, K., Hameri, K., Holtta, T., Junninen, H., Jarvi, L., Kurten, T. & 19 othersLauri, A., Laurila, T., Lehtipalo, K., Lihavainen, H., Lintunen, A., Mammarella, I., Manninen, H. E., Petaja, T., Pihlatie, M., Pumpanen, J., Rinne, J., Romakkaniemi, S., Ruuskanen, T., Sipila, M., Sorvari, S., Vehkamaki, H., Virtanen, A., Worsnop, D. R. & Kerminen, V-M., 2014, In : Boreal Environment Research. 19, suppl. B, p. 2-19 18 p.

Research output: Contribution to journalArticleScientificpeer-review

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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

An overview on the Urban Boundary-layer Atmosphere Network in Helsinki

Wood, C. R., Jarvi, L., Kouznetsov, R. D., Nordbo, A., Joffre, S., Drebs, A., Vihma, T., Hirsikko, A., Suomi, I., Fortelius, C., O'Connor, E., Moiseev, D., Haapanala, S., Moilanen, J., Kangas, M., Karppinen, A., Vesala, T. & Kukkonen, J., Nov 2013, In : Bulletin of the American Meteorological Society. 94, 11, p. 1675-1690 16 p.

Research output: Contribution to journalArticleScientificpeer-review

Intra-city variation in urban morphology and turbulence structure in Helsinki, Finland

Nordbo, A., Järvi, L., Haapanala, S., Moilanen, J. & Vesala, T., 2013, In : Boundary-Layer Meteorology. 3, p. 469-496 28 p.

Research output: Contribution to journalArticleScientificpeer-review

On the Temperature Structure Parameter and Sensible Heat Flux over Helsinki from Sonic Anemometry and Scintillometry

Wood, C. R., Kouznetsov, R. D., Gierens, R., Nordbo, A., Järvi, L., ALLISTRATOVA, M. & Kukkonen, J., 2013, In : Journal of Atmospheric and Oceanic Technology. 30, p. 1604–1615 12 p.

Research output: Contribution to journalArticleScientificpeer-review

The effect of local sources on aerosol particle number size distribution, concentrations and fluxes in Helsinki, Finland

Ripamonti, G., Jarvi, L., Molgaard, B., Hussein, T., Nordbo, A. & Hameri, K., 2013, In : Tellus. Series B: Chemical and Physical Meteorology. 65, 17 p., 19786.

Research output: Contribution to journalArticleScientificpeer-review

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2012

Four-year (2006-2009) eddy covariance measurements of CO2 flux over an urban area in Beijing.

Liu, H., Feng, J., Järvi, L. & Vesala, T., 2012, In : Atmospheric Chemistry and Physics. 12, 17, p. 7881-7892 12 p.

Research output: Contribution to journalArticleScientificpeer-review

Fraction of natural area as main predictor of net CO2 emissions from cities

Nordbo, A., Järvi, L., Haapanala, S., Wood, C. & Vesala, T., 18 Oct 2012, In : Geophysical Research Letters. 39, p. L20802 5 p.

Research output: Contribution to journalArticleScientificpeer-review

Revised eddy covariance flux calculation methodologies - effect on urban energy balance

Nordbo, A., Jarvi, L. & Vesala, T., 2012, In : Tellus. Series B: Chemical and Physical Meteorology. 64, 18184, p. - 20 p.

Research output: Contribution to journalArticleScientificpeer-review

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Seasonal and annual variation of carbon dioxide surface fluxes in Helsinki, Finland, in 2006-2010

Jarvi, L., Nordbo, A., Junninen, H., Riikonen, A., Moilanen, J., Nikinmaa, E. & Vesala, T., 2012, In : Atmospheric Chemistry and Physics. 12, 18, p. 8475-8489 15 p.

Research output: Contribution to journalArticleScientificpeer-review

2011

Local-Scale Urban Meteorological Parameterization Scheme (LUMPS): longwave radiation parameterization and seasonality related developments

Loridan, T., Grimmond, S., Offerle, B., Young, D., Smith, T., Järvi, L. & Lindberg, F., 2011, In : Journal of Applied Meteorology and Climatology. 50, p. 185-202 17 p.

Research output: Contribution to journalArticleScientificpeer-review

The Helsinki Testbed: A Mesoscale Measurement, Research, and Service Platform

Koskinen, J. T., Poutiainen, J., Schultz, D. M., Joffre, S., Koistinen, J., Saltikoff, E., Gregow, E., Turtiainen, H., Dabberdt, W. F., Damski, J., Eresmaa, N., Göke, S., Hyvärinen, O., Järvi, L., Karppinen, A., Kotro, J., Kuitunen, T., Kukkonen, J., Kulmala, M., Moisseev, D. & 5 othersNurmi, P., Pohjola, H., Pylkkö, P., Vesala, T. & Viisanen, Y., 2011, In : Bulletin of the American Meteorological Society. 93, 3, p. 325-342 18 p.

Research output: Contribution to journalArticleScientificpeer-review

The Surface Urban Energy and Water Balance Scheme (SUEWS): Evaluation in Los Angeles and Vancouver

Järvi, L., Grimmond, S. & Christen, A., 2011, In : Journal of Hydrology. 411, 3-4, p. 219-237 18 p.

Research output: Contribution to journalArticleScientificpeer-review

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

Comparison of net CO2 fluxes measured with open- and closed-path infrared gas analyzers in an urban complex environment

Järvi, L., Mammarella, I., Eugster, W., Ibrom, A., Siivola, E., Dellwik, E., Keronen, P., Burba, G. & Vesala, T., 2009, In : Boreal Environment Research. 14, p. 499-514 16 p.

Research output: Contribution to journalArticleScientificpeer-review

Maankäytön ja meteorologian vaikutukset Helsingin ilmanlaatuun

Järvi, L., 2009, In : Ilmansuojelu. 2009, 4, p. 10-11 2 p.

Research output: Contribution to journalArticleGeneral public

2008

Sources of organic carbon in fine particulate matter in northern European urban air

Saarikoski, S., Timonen, H., Saarnio, K., Aurela, M., Järvi, L., Keronen, P., Kerminen, V. -M. & Hillamo, R., 2008, In : Atmospheric Chemistry and Physics. 8, p. 6281-6295 15 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

Temporal variations in black carbon concentrations with different time scales in Helsinki during 1996-2005

Järvi, L., Junninen, H., Karppinen, A., Hillamo, R., Virkkula, A., Mäkelä, T., Pakkanen, T. & Kulmala, M., 2008, In : Atmospheric Chemistry and Physics. 8, p. 1017-1027 11 p.

Research output: Contribution to journalArticleScientificpeer-review

2007

Micrometeorological observations of a microburst in southern Finland

Järvi, L., Punkka, A-J., Schultz, D. M., Petäjä, T., Hohti, H., Rinne, J., Pohja, T., Kulmala, M., Hari, P. & Vesala, T., 2007, In : Boundary-Layer Meteorology. 125, p. 343-359 17 p.

Research output: Contribution to journalArticleScientificpeer-review