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Variation in Airborne Particulate Levels at a Newly Opened Underground Railway Station
KTH, School of Industrial Engineering and Management (ITM), Machine Design (Dept.), Tribologi.ORCID iD: 0000-0003-1291-8778
KTH, School of Industrial Engineering and Management (ITM), Machine Design (Dept.), Tribologi.ORCID iD: 0000-0002-8000-0013
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2019 (English)In: Aerosol and Air Quality Research, ISSN 1680-8584, E-ISSN 2071-1409, Vol. 19, no 4, p. 737-748Article in journal (Refereed) Published
Abstract [en]

The construction of a new railway tunnel for commuter trains in Stockholm was completed in 2017. It included two modern stations (Odenplan and Stockholm City) with platform screen doors (PSD) and one old station (Stockholm Sodra) without PSDs. This study evaluates the concentrations of airborne particulates at the new Odenplan station, focusing on the effects of traffic operation, system age and train movement. For comparison, the other two stations in the tunnel and an above-ground railway station (Solna) were also investigated. The new platform was clean prior to opening for traffic (the average concentration of PM10 and PM2.5 was 12 and 2 mu g m(-3), respectively). Substantial increases in the PM10 and PM2.5 levels were observed after it came into service, with the average concentrations increasing to 120 and 30 mu g m(-3) after 1 week and then to 175 and 35 mu g m(-3) after 3 months of operation. The train movement factor (traffic frequency and train stopping period) was found to have a strong effect on the coarse-sized particle concentrations (0.3-10 mu m). Comparable levels of PM10 and PM2.5 were measured at both the new Odenplan station and the old station, where the amount of traffic was similar. For the other new station, Stockholm City, where traffic was only half as frequent, the PM10 and PM2.5 levels were substantially lower.

Place, publisher, year, edition, pages
TAIWAN ASSOC AEROSOL RES-TAAR , 2019. Vol. 19, no 4, p. 737-748
Keywords [en]
Platform air quality, Railway tunnel, New railway station, Particulate matter, Platform screen door
National Category
Transport Systems and Logistics
Identifiers
URN: urn:nbn:se:kth:diva-248315DOI: 10.4209/aaqr.2018.06.0225ISI: 000462169700006OAI: oai:DiVA.org:kth-248315DiVA, id: diva2:1303349
Note

QC 20190409

Available from: 2019-04-09 Created: 2019-04-09 Last updated: 2019-04-09Bibliographically approved

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Cha, YingyingTu, MinghuiOlofsson, Ulf

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