Implementation of road dust resuspension in air quality simulations of particulate matter in Madrid (Spain)

Paz Martín, David de la and Borge García, Rafael and Vedrenne, Michel and Lumbreras Martin, Julio and Amato, Fulvio and Karanasiou, Angeliki and Boldo, E. and Moreno, Teresa (2015). Implementation of road dust resuspension in air quality simulations of particulate matter in Madrid (Spain). "Frontiers in Environmental Science", v. 3 (n. 72); pp. 1-11. ISSN 2296-665X. https://doi.org/10.3389/fenvs.2015.00072.

Description

Title: Implementation of road dust resuspension in air quality simulations of particulate matter in Madrid (Spain)
Author/s:
  • Paz Martín, David de la
  • Borge García, Rafael
  • Vedrenne, Michel
  • Lumbreras Martin, Julio
  • Amato, Fulvio
  • Karanasiou, Angeliki
  • Boldo, E.
  • Moreno, Teresa
Item Type: Article
Título de Revista/Publicación: Frontiers in Environmental Science
Date: November 2015
ISSN: 2296-665X
Volume: 3
Subjects:
Freetext Keywords: air quality modelling, resuspension, CMAQ, OSPM, urban PM levels
Faculty: E.T.S.I. Industriales (UPM)
Department: Otro
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

An evaluation of the concentration levels of Particulate Matter (PM) was carried out in Madrid (Spain) by introducing the emissions from road dust resuspension. Road dust resuspension emission factors (EF) for different types of vehicles were calculated from EPA-AP42, a global resuspension factor of 0.097 g veh−1km−1 as described in Amato et al. (2010) and a rain-dependent correction factor. With these resuspension EFs, a simulation at street canyon level was performed with the OSPM model without rainfall. Subsequently, a simulation using the CMAQ model was implemented adding resuspension emissions affected by the rain. These data were compared with monitored data obtained from air quality stations. OSPM model simulations with resuspension EFs but without the effect of rainfall improve the PM estimates in about 20gm−3μ compared to the simulation with default EFs. Total emissions were calculated by adding the emissions estimated with resuspension EFs to the default PM emissions to be used by CMAQ. For the study in the Madrid Area, resuspension emissions are approximately of the same order of magnitude as inventoried emissions. On a monthly scale, rain effects are negligible for resuspension emissions due to the dry weather conditions of Spain. With the exception of April and May, the decrease in resuspension emissions is not >3%. The predicted PM10 concentration increases up to 9μ gm−3 on annual average for each station compared to the same scenario without resuspension. However, in both cases, PM 10 estimates with resuspension are still underestimating observations. It should be noted that although that accounting for resuspension improves the quality of model predictions, other PM sources (e.g., Saharan dust) were not considered in this study.

Funding Projects

TypeCodeAcronymLeaderTitle
Government of SpainSERCA-058/PC08/3-18.1UnspecifiedUnspecifiedUnspecified

More information

Item ID: 40783
DC Identifier: http://oa.upm.es/40783/
OAI Identifier: oai:oa.upm.es:40783
DOI: 10.3389/fenvs.2015.00072
Official URL: http://journal.frontiersin.org/article/10.3389/fenvs.2015.00072/full
Deposited by: Memoria Investigacion
Deposited on: 06 Jun 2016 14:28
Last Modified: 06 Jun 2016 14:56
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