Evidence for a significant contribution of wood burning aerosols to PM2.5 during the winter season in Paris, France

Favez, Olivier; Cachier, H.; Sciare, Jean; Sarda‐Estève, Roland; Martinon, Laurent

doi:10.1016/j.atmosenv.2009.04.035

Cited by 163 publications

(117 citation statements)

References 23 publications

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“…These values are lower than what has been reported for biomass burning aerosols (e.g. Kirchstetter et al, 2004;Bergstrom et al, 2007) but very similar to values observed at populated and polluted sites during winter (Favez et al, 2009;Yang et al, 2009). The diurnal patterns show at all stations lowest α during daytime and especially during the morning rush hours.…”

Section: Light Absorption Measurementscontrasting

confidence: 52%

“…The authors estimated an average contribution of WB to total CM of 88 %. In a recent study, Favez et al (2009) applied the same approach to data sampled in urban Paris during a winter field campaign. The authors determined regression coefficients similar to Sandradewi et al (2008a) and estimated the average contribution of WB to total CM to be 46 %.…”

Section: Introductionmentioning

confidence: 99%

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A 2.5 year's source apportionment study of black carbon from wood burning and fossil fuel combustion at urban and rural sites in Switzerland

2011

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Abstract. The contributions of fossil fuel (FF) and wood burning (WB) emissions to black carbon (BC) have been investigated in the recent past by analysis of multi-wavelength aethalometer data. This approach utilizes the stronger light absorption of WB aerosols in the near ultraviolet compared to the light absorption of aerosols from FF combustion.Here we present 2.5 years of seven-wavelength aethalometer data from one urban and two rural background sites in Switzerland measured from 2008-2010. The contribution of WB and FF to BC was directly determined from the aerosol absorption coefficients of FF and WB aerosols which were calculated by using confirmedÅngstrom exponents and aerosol light absorption cross-sections that were determined for all sites. Reasonable separation of total BC into contributions from FF and WB was achieved for all sites and seasons. The obtained WB contributions to BC are well correlated with measured concentrations of levoglucosan and potassium while FF contributions to BC correlate nicely with NO x . These findings support our approach and show that the applied source apportionment of BC is well applicable for long-term data sets.During winter, we found that BC from WB contributes on average 24-33 % to total BC at the considered measurement sites. This is a noticeable high fraction as the contribution of wood burning to the total final energy consumption is in Switzerland less than 4 %.

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Section: Light Absorption Measurementscontrasting

confidence: 52%

Section: Introductionmentioning

confidence: 99%

A 2.5 year's source apportionment study of black carbon from wood burning and fossil fuel combustion at urban and rural sites in Switzerland

2011

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“…These findings are also in accordance with studies on other European areas. Caseiro et al (2009) found that in the larger Vienna region, wood smoke was an important contributor to PM10 during the cold season, with contributions around 10% during the winter months, and Favez et al (2009) estimated that the contribution of wood burning carbonaceous aerosols to PM2.5 was around 20% at the studied Paris background site.…”

Section: Discussionmentioning

confidence: 99%

Contribution of residential wood combustion to PM10 levels in Portugal

Borrego

Valente

Carvalho

et al. 2010

Atmospheric Environment

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a b s t r a c tWood is commonly used in residential combustion for heating purposes; however, it can be a major source of air pollutants, namely fine particles, volatile organic compounds and carbon monoxide. Since 2004, the PM10 daily limit value has been surpassed in Portugal, and the European Commission has stated that plans and programs must be designed in order to reduce these levels. In Portugal, 18% of PM10 emissions are due to residential wood combustion, which may deeply impact the PM10 levels in the atmosphere. The main aim of this study is to investigate the impact of residential wood combustion on the air quality in Portugal. The air quality modelling system MM5/CHIMERE was applied over Portugal for a winter month, for the following three scenarios: the reference scenario, considering the actual emissions of PM10; scenario 1, where residential wood combustion emissions are not considered; and scenario 2, which takes into account a complete conversion from traditional fireplaces to certified appliances (with a 90% reduction in PM emissions). The residential wood combustion contribution to PM10 air quality concentration values during January 2007 ranges from 0 to 14 mg m À3 , with a mean contribution of 10 mg m À3 in the Lisboa area and 6 mg m À3 in the Porto region. Concerning the legislated values, the area where the daily average limit value (50 mg m À3 ) is exceeded decreases by 46% in the simulation when residential combustion is not considered. The modelling results for scenario 2 are not significantly different from those for scenario 1. In summary, the regulation of the residential wood combustion sector is as an effective way to reduce the PM10 levels in the atmosphere as regards air quality plans and programs.

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“…Some studies have attempted to perform this attribution based on the assumption of the wavelength dependence of absorption (e.g. Favez et al, 2009;Yang et al, 2009). It is often assumed that the imaginary RI of BC is independent of wavelength (λ) and that the absorption crosssection of BC varies as λ -1 (Bond and Bergstrom, 2006).…”

Section: Instrumentationmentioning

confidence: 99%

Optical and microphysical properties of natural mineral dust and anthropogenic soil dust near dust source regions over Northwestern China

Wen¹,

Wang²

2017

Preprint

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Abstract.From 3 April to 16 May 2014, a ground-based mobile laboratory was deployed to measure the optical and microphysical properties of tropospheric aerosols near dust source regions in Wuwei, Zhangye, and Dunhuang along the Hexi Corridor over Northwestern China. This study is novel in that we not only captured natural mineral 5 dust near the Taklimakan and Badain Jaran desert regions but also characterized the properties of anthropogenic soil dust produced by agricultural cultivations (e.g., land planning, ploughing, and disking), especially during floating dust episodes. In this dust campaign, the aerosol scattering (absorption) coefficient ( "# and $# ), single scattering albedo ( ), scattering Ångström exponent (Å sp ), mass scattering efficiency 10 (MSE), and aerosol size distribution were observed at 5-min intervals. The results indicate that large differences were found between the optical and microphysical properties of anthropogenic and natural dust because of floating dust episodes and dust storms. The values of "# , $# and of PM 2.5 measured at 550 nm range from ~37-

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Evidence for a significant contribution of wood burning aerosols to PM2.5 during the winter season in Paris, France

Cited by 163 publications

References 23 publications

A 2.5 year's source apportionment study of black carbon from wood burning and fossil fuel combustion at urban and rural sites in Switzerland

A 2.5 year's source apportionment study of black carbon from wood burning and fossil fuel combustion at urban and rural sites in Switzerland

Contribution of residential wood combustion to PM10 levels in Portugal

Optical and microphysical properties of natural mineral dust and anthropogenic soil dust near dust source regions over Northwestern China

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