Evidence for heterogeneous SO2 oxidation in Ljubljana, Yugoslavia

Bizjak, M.; Hudnik, V.; Hansen, A. D. A.; Novakov, T.

doi:10.1016/0004-6981(86)90311-2

Cited by 17 publications

(8 citation statements)

References 10 publications

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“…This particle size information and the S042-/(SO2 + SO42-) ratios suggest fog-assisted particle growth and SO2 to S042-conversion by a heterogeneous mechanism. Studies of Bizjak et al (9) in Yugoslavia support these conclusions.…”

Section: Air Pollution Concentrations and Source Contributionsmentioning

confidence: 76%

Teplice Program: The Impact of Air Pollution on Human Health

Srám¹,

Beneš²,

Binková³

et al. 1996

Environmental Health Perspectives

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Reproductive studies were conducted in both males and females. A study of the effects of exposure on pregnancy and birth found an excess prevalence of low birth weight and premature births in Teplice; these adverse effects were more common in infants conceived in the winter and whose mothers were smokers. Based on questionnaires and medical examination, the reproductive development of young men was not different between districts and seasons, however, measures of semen quality suggest that exposure to high levels of air pollution are associated with transient decrements in semen quality. Environ Health Perspect 1 04(Suppl 4): 699-714 (1996)

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Section: Air Pollution Concentrations and Source Contributionsmentioning

confidence: 76%

Teplice Program: The Impact of Air Pollution on Human Health

Srám¹,

Beneš²,

Binková³

et al. 1996

Environmental Health Perspectives

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“…The carbon surface may contain a variety of adsorbed organic compounds and, in the presence of water, may act as a site for catalytic SO2 oxidation (Brodzinsky et al, 1980). A possible mechanistic link between particulate carbon concentrations and the formation of aerosol sulfate has been deduced from the examination of wintertime data from a highly polluted urban location (Bizjak et al, 1986). In addition, aerosol black carbon has a very large cross section for the absorption of visible light, much larger than that of other aerosol species (Faxvog and Roessler, 1978;Rosen et al, 1978;Japar et al, 1986).…”

Section: Introductionmentioning

confidence: 99%

Aerosol black carbon measurements in the Arctic haze during AGASP-II

Hansen

Novakov

1989

J Atmos Chem

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During the second Arctic Gas and Aerosol Sampling Program conducted in April 1986, we performed measurements of the optically absorbing carbonaceous component of the ambient aerosol from the NOAA WP-3D aircraft operating between sea level and 10 km altitude. We collected the aerosol on filters that were exposed for several hours; we also operated the aethalometer to measure the concentration of aerosol black carbon in real time. The filter analyses represent averages over the altitude range and time span during which the filter was collecting. The real-time results were sorted by altitude to calculate vertical profiles of black carbon concentration. Values typically ranged from 300 to 500 ng m -3 at lower altitudes, decreasing gradually to 25 to 100 ng m -3 at 8-10 kin. Strong stratification at lower altitudes was frequently observed. The magnitude of these conoentrations suggests that the sources axe distant regions of considerable fuel consumption. The presence of this material in the tropospheric column and its probable deposition to the high-albedo surface may result in perturbations of the solar radiation balance. The concentrations measured at the highest altitudes may mean that particulate carbon and accompanying emissions for which it is a tracer are mixing into the stratosphere.

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“…This particle size information and the S042-/(SO2 + SO42-) ratios suggest fog-assisted particle growth and SO2 to S042conversion by a heterogeneous mechanism. Studies of Bizjak et al (9) in Yugoslavia support these conclusions.…”

Section: Air Pollution Concentrations and Source Contributionsmentioning

confidence: 76%

“…The average particulate matter concentrations (measured by the blackness of the filter, "smoke") and SO2 (measured by the hydrogen peroxide method) concentrations in London were about 1600 pg/m3 and 1800 pg/m3 (0.7 ppm), respectively. Figure 4 is a time series plot of PM1o and SO2 concentrations measured in Teplice compared to data for the 1952 London episode (December [5][6][7][8][9]. In London, the number of deaths per day reached approximately 900 compared to 250 before the episode (10) and the norm was even less.…”

Section: Air Pollution Concentrations and Source Contributionsmentioning

confidence: 99%

Teplice program--the impact of air pollution on human health.

Šrám

Beneš

Binková

et al. 1996

Environ Health Perspect

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The aim of the Teplice Program is to investigate and assess the impact of air pollution on the health of the population in the district of Teplice, Czech Republic. Characterization of the air pollutants demonstrated unusually high concentrations during winter inversions of fine particles dominated by acidic sulfates, genotoxic organic compounds, and toxic trace elements. The major source of airborne fine particles is the burning of coal for heating and power. Human exposure and biomarker studies demonstrated large seasonal variations in air pollution within the Teplice District and higher seasonal average pollution levels than the comparative district, Prachatice. Personal exposures to fine particles and organic carcinogens [e.g., polycyclic aromatic hydrocarbons (PAH)] were correlated with excretion of PAH metabolites in urine, several trace metals in blood, and DNA adducts in white blood cells. Respiratory and neurobehavioral studies of school children were conducted using questionnaires and clinical measures. A significantly higher prevalence of adverse respiratory symptoms and decreased lung function were found in the Teplice district than in Prachatice. The neurobehavioral studies indicated significantly higher teacher referrals for clinical assessment in Teplice, but the majority of objective performance measures did not differ. Reproductive studies were conducted in both males and females. A study of the effects of exposure on pregnancy and birth found an excess prevalence of low birth weight and premature births in Teplice; these adverse effects were more common in infants conceived in the winter and whose mothers were smokers. Based on questionnaires and medical examination, the reproductive development of young men was not different between districts and seasons, however, measures of semen quality suggest that exposure to high levels of air pollution are associated with transient decrements in semen quality.

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Evidence for heterogeneous SO2 oxidation in Ljubljana, Yugoslavia

Cited by 17 publications

References 10 publications

Teplice Program: The Impact of Air Pollution on Human Health

Teplice Program: The Impact of Air Pollution on Human Health

Aerosol black carbon measurements in the Arctic haze during AGASP-II

Teplice program--the impact of air pollution on human health.

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