Zobrazeno 1 - 10
of 579
pro vyhledávání: '"L Kangas"'
Autor:
L. Kangas, J. Kukkonen, M. Kauhaniemi, K. Riikonen, M. Sofiev, A. Kousa, J. V. Niemi, A. Karppinen
Publikováno v:
Atmospheric Chemistry and Physics, Vol 24, Pp 1489-1507 (2024)
This article has investigated the contribution of residential wood combustion (RWC) to the fine particulate matter (PM2.5) concentrations in the Helsinki metropolitan area (HMA) for 6 years, from 2009 to 2014. We have used the PM2.5 concentrations me
Externí odkaz:
https://doaj.org/article/275b52fbbf344febb68a9969c447803e
Autor:
M. Karl, L. Pirjola, T. Grönholm, M. Kurppa, S. Anand, X. Zhang, A. Held, R. Sander, M. Dal Maso, D. Topping, S. Jiang, L. Kangas, J. Kukkonen
Publikováno v:
Geoscientific Model Development, Vol 15, Pp 3969-4026 (2022)
Numerical models are needed for evaluating aerosol processes in the atmosphere in state-of-the-art chemical transport models, urban-scale dispersion models, and climatic models. This article describes a publicly available aerosol dynamics model, MAFO
Externí odkaz:
https://doaj.org/article/ba92d619f9a2469589db0d8a5f913175
Autor:
L. M. F. Barreira, A. Helin, M. Aurela, K. Teinilä, M. Friman, L. Kangas, J. V. Niemi, H. Portin, A. Kousa, L. Pirjola, T. Rönkkö, S. Saarikoski, H. Timonen
Publikováno v:
Atmospheric Chemistry and Physics, Vol 21, Pp 6297-6314 (2021)
Atmospheric aerosols play an important role in air pollution. Aerosol particle chemical composition is highly variable depending on the season, hour of the day, day of the week, meteorology, and location of the measurement site. Long measurement peri
Externí odkaz:
https://doaj.org/article/8919f19b750c44bb88c2039e59c7654a
Autor:
K. Luoma, J. V. Niemi, M. Aurela, P. L. Fung, A. Helin, T. Hussein, L. Kangas, A. Kousa, T. Rönkkö, H. Timonen, A. Virkkula, T. Petäjä
Publikováno v:
Atmospheric Chemistry and Physics, Vol 21, Pp 1173-1189 (2021)
In this study, we present results from 12 years of black carbon (BC) measurements at 14 sites around the Helsinki metropolitan area (HMA) and at one background site outside the HMA. The main local sources of BC in the HMA are traffic and residential
Externí odkaz:
https://doaj.org/article/31716a148ee84fb88298e94241bc8f44
Autor:
J. Kukkonen, M. Savolahti, Y. Palamarchuk, T. Lanki, V. Nurmi, V.-V. Paunu, L. Kangas, M. Sofiev, A. Karppinen, A. Maragkidou, P. Tiittanen, N. Karvosenoja
Publikováno v:
Atmospheric Chemistry and Physics, Vol 20, Pp 9371-9391 (2020)
We have developed an integrated assessment tool that can be used for evaluating the public health costs caused by the concentrations of fine particulate matter (PM2.5) in ambient air. The model can be used to assess the impacts of various alternative
Externí odkaz:
https://doaj.org/article/c717921f57c646d785ef3f0c02656ee8
Autor:
J. Kukkonen, S. López-Aparicio, D. Segersson, C. Geels, L. Kangas, M. Kauhaniemi, A. Maragkidou, A. Jensen, T. Assmuth, A. Karppinen, M. Sofiev, H. Hellén, K. Riikonen, J. Nikmo, A. Kousa, J. V. Niemi, N. Karvosenoja, G. S. Santos, I. Sundvor, U. Im, J. H. Christensen, O.-K. Nielsen, M. S. Plejdrup, J. K. Nøjgaard, G. Omstedt, C. Andersson, B. Forsberg, J. Brandt
Publikováno v:
Atmospheric Chemistry and Physics, Vol 20, Pp 4333-4365 (2020)
Residential wood combustion (RWC) is an important contributor to air quality in numerous regions worldwide. This study is the first extensive evaluation of the influence of RWC on ambient air quality in several Nordic cities. We have analysed the emi
Externí odkaz:
https://doaj.org/article/e7430309401b4482b6d29c0cd9883fc8
Autor:
J. Kukkonen, L. Kangas, M. Kauhaniemi, M. Sofiev, M. Aarnio, J. J. K. Jaakkola, A. Kousa, A. Karppinen
Publikováno v:
Atmospheric Chemistry and Physics, Vol 18, Pp 8041-8064 (2018)
Reliable and self-consistent data on air quality are needed for an extensive period of time for conducting long-term, or even lifetime health impact assessments. We have modelled the urban-scale concentrations of fine particulate matter (PM2.5) in
Externí odkaz:
https://doaj.org/article/db675d2c67a44574b1c915d37f4da920
Publikováno v:
Geoscientific Model Development, Vol 10, Pp 3793-3803 (2017)
The meteorological input parameters for urban- and local-scale dispersion models can be evaluated by preprocessing meteorological observations, using a boundary-layer parameterisation model. This study presents a sensitivity analysis of a meteorolo
Externí odkaz:
https://doaj.org/article/540c1e4cd0a64d1a879f20d4aa7db742
Autor:
H. Hellén, L. Kangas, A. Kousa, M. Vestenius, K. Teinilä, A. Karppinen, J. Kukkonen, J. V. Niemi
Publikováno v:
Atmospheric Chemistry and Physics, Vol 17, Iss 5, Pp 3475-3487 (2017)
Even though emission inventories indicate that wood combustion is a major source of polycyclic aromatic hydrocarbons (PAHs), estimating its impacts on PAH concentration in ambient air remains challenging. In this study the effect of local small-scale
Externí odkaz:
https://doaj.org/article/29b2ef55d17141a5b5d95e4552fb5c47
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