The influence of residential wood combustion on the concentrations of PM2.5 in four Nordic cities

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Kukkonen, J., López-Aparicio, S., Segersson, D., Geels, C., Kangas, L., Kauhaniemi, M., Maragkidou, A., Jensen, A., Assmuth, T., Karppinen, A., Sofiev, M., Hellén, H., Riikonen, K., Nikmo, J., Kousa, A., Niemi, J. V., Karvosenoja, N., Santos, G. S., Sundvor, I., Im, U., Christensen, J. H., Nielsen, O.-K., Plejdrup, M. S., Nøjgaard, J. K., Omstedt, G., Andersson, C., Forsberg, B., and Brandt, J.: The influence of residential wood combustion on the concentrations of PM2.5 in four Nordic cities, Atmos. Chem. Phys., 20, 4333–4365, https://doi.org/10.5194/acp-20-4333-2020, 2020.

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Title: The influence of residential wood combustion on the concentrations of PM2.5 in four Nordic cities
Author: Kukkonen, Jaakko; López-Aparicio, Susana; Segersson, David; Geels, Camilla; Kangas, Leena; Kauhaniemi, Mari; Maragkidou, Androniki; Jensen, Anne; Assmuth, Timo; Karppinen, Ari; Sofiev, Mikhail; Hellén, Heidi; Riikonen, Kari; Nikmo, Juha; Kousa, Anu; Niemi, Jarkko V.; Karvosenoja, Niko; Santos, Gabriela Sousa; Sundvor, Ingrid; Im, Ulas; Christensen, Jesper H.; Nielsen, Ole-Kenneth; Plejdrup, Marlene S.; Nøjgaard, Jacob Klenø; Omstedt, Gunnar; Andersson, Camilla; Forsberg, Bertil; Brandt, Jørgen
Publisher: European Geosciences Union
Date: 2020
Language: en
Belongs to series: Atmospheric Chemistry and Physics 20 7 (2020)
ISSN: 1680-7316
DOI: https://doi.org/10.5194/acp-20-4333-2020
URI: http://hdl.handle.net/10138/336116
Abstract: 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 emissions and concentrations of PM2.5 in cities within four Nordic countries: in the metropolitan areas of Copenhagen, Oslo, and Helsinki and in the city of Umeå. We have evaluated the emissions for the relevant urban source categories and modelled atmospheric dispersion on regional and urban scales. The emission inventories for RWC were based on local surveys, the amount of wood combusted, combustion technologies and other relevant factors. The accuracy of the predicted concentrations was evaluated based on urban concentration measurements. The predicted annual average concentrations ranged spatially from 4 to 7 µg m−3 (2011), from 6 to 10 µg m−3 (2013), from 4 to more than 13 µg m−3 (2013) and from 9 to more than 13 µg m−3 (2014), in Umeå, Helsinki, Oslo and Copenhagen, respectively. The higher concentrations in Copenhagen were mainly caused by the relatively high regionally and continentally transported background contributions. The annual average fractions of PM2.5 concentrations attributed to RWC within the considered urban regions ranged spatially from 0 % to 15 %, from 0 % to 20 %, from 8 % to 22 % and from 0 % to 60 % in Helsinki, Copenhagen, Umeå and Oslo, respectively. In particular, the contributions of RWC in central Oslo were larger than 40 % as annual averages. In Oslo, wood combustion was used mainly for the heating of larger blocks of flats. In contrast, in Helsinki, RWC was solely used in smaller detached houses. In Copenhagen and Helsinki, the highest fractions occurred outside the city centre in the suburban areas. In Umeå, the highest fractions occurred both in the city centre and its surroundings.
Subject: residential wood combustion
concentrations
PM2.5
cities
Nordic cities
Copenhagen
Oslo
Helsinki
Umeå
RWC
air quality
evaluation
emissions
urban source categories
surveys
combustion
combustion of wood
combustion technologies
heating
housing
Subject (ysa): puun palaminen
pitoisuudet
pohjoismaiset kaupungit
Kööpenhamina
Uumaja
ilmanlaatu
arviointi
evaluaatio
päästöt
kyselyt
kyselytutkimus
survey
survey-tutkimus
palaminen
lämmitys
asuminen
asunnot
Rights: CC BY 4.0


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