Variation of PM2.5 concentrations in relation to street washing activities

Karanasiou, Angeliki and Moreno, Teresa and Amato, Fulvio and Tobias, Aurelio and Boldo, E. and Linares, C. and Lumbreras Martin, Julio and Borge García, Rafael and Alastuey, Andres and Querol, Xavier (2012). Variation of PM2.5 concentrations in relation to street washing activities. "Atmospheric Environment", v. 54 ; pp. 465-469. ISSN 1352-2310. https://doi.org/10.1016/j.atmosenv.2012.02.006.

Description

Title: Variation of PM2.5 concentrations in relation to street washing activities
Author/s:
  • Karanasiou, Angeliki
  • Moreno, Teresa
  • Amato, Fulvio
  • Tobias, Aurelio
  • Boldo, E.
  • Linares, C.
  • Lumbreras Martin, Julio
  • Borge García, Rafael
  • Alastuey, Andres
  • Querol, Xavier
Item Type: Article
Título de Revista/Publicación: Atmospheric Environment
Date: July 2012
ISSN: 1352-2310
Volume: 54
Subjects:
Freetext Keywords: PM2.5; Road dust; Resuspension; Wind speed; Wind direction; Traffic; Madrid; Spain
Faculty: E.T.S.I. Industriales (UPM)
Department: Ingeniería Química Industrial y del Medio Ambiente
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

Several studies conducted in urban areas have pointed out that road dust resuspension contributes significantly to PM concentration levels. Street washing is one of the methods proposed to reduce resuspended road dust contributions to ambient PM concentrations. As resuspended particles are mainly found in the coarse mode, published studies investigating the effects of street washing have focused on PM10 size fraction. As the PM2.5 mass fraction of particles originating from mechanical abrasion processes may still be significant we conducted a study in order to evaluate the effects of street washing on the mitigation of resuspension of fine particles. The PM2.5 mass concentration data were examined and integrated with the occurrence of street washing activities. In addition, the effect of the meteorological variability, traffic flow and street washing activities, on ambient PM2.5 levels was valuated by means of a multivariate regression model. The results revealed that traffic low is the most important factor that controls PM2.5 hourly concentrations while street washing activities did not influence fine particle mass levels.

More information

Item ID: 16697
DC Identifier: http://oa.upm.es/16697/
OAI Identifier: oai:oa.upm.es:16697
DOI: 10.1016/j.atmosenv.2012.02.006
Official URL: http://www.sciencedirect.com/science/article/pii/S1352231012001215
Deposited by: Memoria Investigacion
Deposited on: 20 Jan 2014 19:29
Last Modified: 21 Apr 2016 17:03
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