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Modelling road dust emission abatement measures using the NORTRIP model: Vehicle speed and studded tyre reduction
Environment and Health Administration of the City of Stockholm.
The Norwegian Institute for Air Research (NILU).
The Norwegian Meteorological Institute (MET).
Stockholms Universitet.
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2016 (English)In: Atmospheric Environment, ISSN 1352-2310, E-ISSN 1873-2844, Vol. 134, 96-108 p.Article in journal (Refereed) Published
Resource type
Text
Abstract [en]

Road dust emissions in Nordic countries still remain a significant contributor to PM10 concentrations mainly due to the use of studded tyres. Measures to reduce road dust emissions include speed reductions, reductions in studded tyre use, dust binding and road cleaning. In this paper the NORTRIP road dust emission model is used to simulate real world abatement measures that have been carried out in Oslo and Stockholm.

In Oslo both vehicle speed and studded tyre share reductions occurred over a period from 2004 to 2006 on a major arterial road, RV4. In Stockholm a studded tyre ban on Hornsgatan in 2010 saw a significant reduction in studded tyre share together with a reduction in traffic volume. The model is found to correctly simulate the impact of these measures on the PM10 concentrations when compared to available kerbside measurement data.

Meteorology can have a significant impact on the concentrations through both surface and dispersion conditions. The first year after the implementation of the speed reduction on RV4 was much drier than the previous year, resulting in higher mean concentrations than expected. The following year was much wetter with significant rain and snow fall leading to wet or frozen road surfaces for 83 % of the four month study period. This significantly reduced the net PM10 concentrations.

In the years following the studded tyre ban on Hornsgatan road wear production through studded tyres decreased by 72 %, due to a combination of reduced traffic volume and reduced studded tyre share. However, after accounting for exhaust contributions and the impact of meteorological conditions in the model calculations, the net mean reduction in PM10 concentrations was ~50 %. The NORTRIP model is shown to be able to reproduce the impacts of both traffic measures and meteorology on traffic induced PM10 concentrations, making it a unique and valuable tool for predicting the impact of measures for air quality management applications.

Place, publisher, year, edition, pages
2016. Vol. 134, 96-108 p.
Keyword [en]
Particulate matter, Studded tyre, Prohibition, Speed, Traffic concentration, Impact study, Weather, Mathematical model
National Category
Environmental Analysis and Construction Information Technology
Research subject
10 Road: Transport, society, policy and planning, 15 Road: Environment
Identifiers
URN: urn:nbn:se:vti:diva-10228DOI: 10.1016/j.atmosenv.2016.03.035ISI: 000375504100010Scopus ID: 2-s2.0-84961879687OAI: oai:DiVA.org:vti-10228DiVA: diva2:919095
Available from: 2016-04-13 Created: 2016-04-13 Last updated: 2016-05-25Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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Language
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Output format
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