Airborne particles in city bus: concentrations, sources and simulated pulmonary solubility

Miler, Miloš

doi:10.1007/s10653-020-00770-5

Cited by 11 publications

(2 citation statements)

References 77 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Previous studies report the presence of Co, Cu, Fe, Na, Sb and Zn in the fine particle size range linked with vehicular emissions (Fuentealba, 2018 ) in samples collected near the highway Autopista Central. Miler, ( 2021 ) in the city of Ljubljana (Slovenia) also found some of those elements coming from vehicle exhaust emissions, brake disc dust and road sediment. Thursday September 5 presented a predominant SE wind direction and lower frequency regimes varying during the day as NW, NE and N (Fig.…”

Section: Discussionmentioning

confidence: 98%

Representativeness of the particulate matter pollution assessed by an official monitoring station of air quality in Santiago, Chile: projection to human health

Préndez

Nova

Romero-Aravena

et al. 2022

Environ Geochem Health

View full text Add to dashboard Cite

Santiago, capital city of Chile, presents air pollution problems for decades mainly by particulate matter, which significantly affects population health, despite national authority efforts to improve air quality. Different properties of the particulate matter (PM10, PM2.5 and PM1 fractions, particle surface and number) were measured with an optical spectrometer. The sampling was done during spring 2019 at different sites within the official representative area of Independencia monitoring station (ORMS-IS). The results of this study evidence large variations in PM mass concentration at small-scale areas within the ORMS-IS representative zone, which reports the same value for the total area. Results from PM properties such as PM1, particle number and particle surface distribution show that these properties should be incorporated in regular monitoring in order to improve the understanding of the effects of these factors on human health. The use of urban-climate canopy-layer models in a portion of the sampled area around the monitoring station demonstrates the influence of street geometry, building densities and vegetation covers on wind velocity and direction. These factors, consequently, have an effect on the potential for air pollutants concentrations. The results of this study evidence the existence of hot spots of PM pollution within the area of representativeness of the ORMS-IS. This result is relevant from the point of view of human health and contributes to improve the effectiveness of emission reduction policies.

show abstract

Section: Discussionmentioning

confidence: 98%

Representativeness of the particulate matter pollution assessed by an official monitoring station of air quality in Santiago, Chile: projection to human health

Préndez

Nova

Romero-Aravena

et al. 2022

Environ Geochem Health

View full text Add to dashboard Cite

show abstract

“…PM could be toxic, carcinogenic, mutagenic, and teratogenic (Apte et al, 2015;Atkinson et al, 2014;Franklin et al, 2008). To characterize the complex mixture of elements within the PM and for source appointment purposes, scanning electron microscopy coupled with energy dispersive spectroscopy (SEM-EDX) is often used (Aragón-Piña, 2011;Huang et al, 2020;Kicińska & Bożęcki, 2018;Miler, 2020;Puławska et al, 2021;USEPA, 2002). Models that can predict the behaviour of PM concentrations, considering sources, such as forest fires, traffic build-up, industrial emission, or multiple weather scenarios, are important inputs when designing early warning systems.…”

Section: Introductionmentioning

confidence: 99%

PM2.5 exceedances and source appointment as inputs for an early warning system

Rincón

Morantes

Gonzalez

et al. 2022

Environ Geochem Health

View full text Add to dashboard Cite

Between June 2018 and April 2019, a sampling campaign was carried out to collect PM2.5, monitoring meteorological parameters and anthropogenic events in the Sartenejas Valley, Venezuela. We develop a logistic model for PM2.5 exceedances (≥ 12.5 µg m−3). Source appointment was done using elemental composition and morphology of PM by scanning electron microscopy coupled with energy dispersive spectroscopy (SEM–EDS). A proposal of an early warning system (EWS) for PM pollution episodes is presented. The logistic model has a holistic success rate of 94%, with forest fires and motor vehicle flows as significant variables. Source appointment analysis by occurrence of events showed that samples with higher concentrations of PM had carbon-rich particles and traces of K associated with biomass burning, as well as aluminosilicates and metallic elements associated with resuspension of soil dust by motor-vehicles. Quantitative source appointment analysis showed that soil dust, garbage burning/marine aerosols and wildfires are three majority sources of PM. An EWS for PM pollution episodes around the Sartenejas Valley is proposed considering the variables and elements mentioned.

show abstract

Natural and anthropogenic impact on the microclimate and particulate matter in the UNESCO show cave

Miler,

Zupančič,

Šebela

et al. 2024

Environ Sci Pollut Res

View full text Add to dashboard Cite

Particulate matter concentrations (PM10, PM2.5, PM1) and microclimatic parameters (air temperature, CO2) were monitored in the Škocjan Caves (Slovenia). The effects of tourist visits on the PM concentrations and the cave’s microclimate are immediate and direct, but these values normalise relatively quickly. The results showed seasonal, diurnal, and spatial differences in all parameters studied. Due to the higher number of visitors, their influence on the cave’s microclimate and PM10 and PM2.5 concentrations is greater in summer than in winter. The measured PM1 levels depend on the ventilation in the cave, as air transport plays an important role in their introduction into the cave. PM consists of minerals of natural origin resulting from the re-suspension of cave sediments due to strong air currents generated by the opening of the doors to tourists and their walks. The second most common influence is the anthropogenic phases originating from maintenance work in the cave, electronic devices, cave lighting and emissions from outside the cave (aerosols from the polluted Reka River, industry, traffic, gypsum waste disposal). In order to upgrade the sustainable use of the UNESCO-listed Škocjan Caves for tourism, we propose regular monitoring of PM and a detailed characterization of individual PMs and their sources, in addition to monitoring of the cave’s microclimate and biology.

show abstract

Airborne particles in city bus: concentrations, sources and simulated pulmonary solubility

Cited by 11 publications

References 77 publications

Representativeness of the particulate matter pollution assessed by an official monitoring station of air quality in Santiago, Chile: projection to human health

Representativeness of the particulate matter pollution assessed by an official monitoring station of air quality in Santiago, Chile: projection to human health

PM2.5 exceedances and source appointment as inputs for an early warning system

Natural and anthropogenic impact on the microclimate and particulate matter in the UNESCO show cave

Contact Info

Product

Resources

About