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T1  - Greenbelts do not reduce NO2 concentrations in near-road environments 
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UR  - http://hdl.handle.net/10138/225348 
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A1  - Yli-Pelkonen, Vesa Johannes; Viippola, Juho Viljami; Kotze, David Johannes; Setälä, Heikki Martti 
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Y1  - 2017 
LA  - eng 
AB  - Trees are believed to improve air quality, thus providing an important ecosystem service for urban inhabitants. However, empirical evidence on the beneficial effects of urban vegetation on air quality at the local level and in boreal climatic regions is scarce. We studied the influence of greenbelt-type forest patches on NO2 levels (i) in front of, (ii) inside and (iii) behind greenbelts next to major roads in the Helsinki Metropolitan Area, Finland, during summer and winter using passive collec... 
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KW  - 1172 Environmental sciences; Air pollution; Air Pollutants; Urban vegetation; URBAN TREES; Greenbelts; Vegetation barrier; PASSIVE SAMPLERS; HELSINKI; FOREST PATCHES; NO2; Nitrogen dioxide; ECOSYSTEM SERVICES; near-road environment; Road traffic; Urban ecosystems 
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