Distribution of ozone and other air pollutants in forests of the Carpathian Mountains in central Europe

Bytnerowicz, Andrzej; Godzik, Barbara; Frączek, Witold; Grodzińska, K.; Krywult, Marek; Badea, Ovidiu; Barančok, Peter; Blum, Oleg; Černý, Martin; Godzik, S.; Maňkovská, B.; Manning, William J.; Moravčík, P.; Musselman, Robert C.; Oszlányi, J.; Postelnicu, Daniela; Szdzuj, J.; Varsavová, M.; Zota, M.

doi:10.1016/s0269-7491(01)00187-7

Cited by 66 publications

(40 citation statements)

References 39 publications

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“…), and mean values from April through August as well as in the AOT40. These changes in O 3 concentrations were typical for other parts of Central Europe (Bytnerowicz et al 2002;Bytnerowicz et al 2004;Solberg et al 2005). Higher ozone concentrations were mostly observed when air masses were transported from western Europe (Girgzdiene et al 2007).…”

Section: Seasonal Variability Of Air Temperature and Precipitation Anmentioning

confidence: 57%

The seasonal variability of air pollution effects on pine conditions under changing climates

Augustaitis¹,

Augustaitienė²,

Kliučius³

et al. 2009

Eur J Forest Res

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The multiple-stressor effects of air pollution, nutrient and water availability are the key issues of present forest ecosystem research. However, too little is known about the seasonal effect of pollutants on tree crown defoliation and their interaction with changes in climate. Therefore, data on seasonal variation in air pollution, including surface ozone, deposition of acidifying compounds and meteorological conditions, were tested against pine defoliation to identify the periods when the effect of the considered contaminants is most pronounced. The findings of the study revealed that a higher level of air concentrations of acidifying pollutants and their deposition was observed during the dormant period, with the exception of only RNH4 ? air concentrations and their monthly deposition. An increase in precipitation over the vegetation period and mean monthly temperature from September to December, as well as a decrease in temperature and precipitation over the remaining months of the dormant period represented the climate change condition over the 14-year period in the observed region. Detected changes in the considered parameters during the dormant period were found to be most significant to changes in pine crown defoliation. Therefore, we concluded that climate changes, if they occur by the detected scenarios, should mitigate the negative effect of air pollutants and acid deposition on pine crown condition.

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Section: Seasonal Variability Of Air Temperature and Precipitation Anmentioning

confidence: 57%

The seasonal variability of air pollution effects on pine conditions under changing climates

Augustaitis¹,

Augustaitienė²,

Kliučius³

et al. 2009

Eur J Forest Res

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“…Comparison of these two sampling methods indicated that passive sample measurements of ozone were likely to be biased low, on the order of a factor of 20-30%, possibly due to deposition of particles on the sampling pad that might have reduced the diffusion process. However, passive samplers have been used extensively to monitor ambient O 3 in Europe (Bytnerowicz et al, 2002a) and North America (Bytnerowicz et al, 2002b). Nonetheless, this has important public health relevance as O 3 levels higher than 100 µg m -3 are associated with 1-2% increase in daily mortality (WHO, 2005).…”

Section: Temporal Variations Measurements During 2013mentioning

confidence: 99%

Variability of Anthropogenic Gases: Nitrogen Oxides, Sulfur Dioxide, Ozone and Ammonia in Kathmandu Valley, Nepal

Kiros

Shakya

Rupakheti

et al. 2016

Aerosol Air Qual. Res.

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Kathmandu Valley is one of the largest and most polluted metropolitan regions in the Himalayan foothills. Rapidly expanding urban sprawl and a growing fleet of vehicles, and industrial facilities such as brick factories across the valley have led to conditions where ambient concentrations of key gaseous air pollutants are expected to exceed Nepal's National Ambient Air Quality Standards (NAAQS) and World Health Organization (WHO) guidelines. In order to understand the spatial variation of the trace gases in the Kathmandu Valley, passive samples of SO 2 , NO x , NO 2 , NH 3, and O 3 were collected simultaneously from fifteen locations between March and May 2013. A follow-up study during two separate campaigns in 2014 sampled these gases, except ammonia, one site at a time from thirteen urban, suburban and rural stationary sites. In 2013, urban sites were observed to have higher weekly averaged NO 2 and SO 2 (22.4 ± 8.1 µg m -3 and 14.5 ± 11.1 µg m -3 , respectively) than sub-urban sites (9.2 ± 3.9 µg m -3 and 7.6 ± 2.8 µg m -3 , respectively). Regions located within 3 km of brick factories had higher SO 2 concentrations (22.3 ± 14.7 µg m -3 ) than distant sites (5.8 ± 1.1 µg m -3 ). Higher O 3 (108.5 ± 31.4 µg m -3 ) was observed in rural locations compared to urban sites (87.1 ± 9.2 µg m -3 ), emphasizing the importance of meteorological factors and precursor species for ozone production and titration. Parallel to previous studies, these results suggest that ground-level O 3 , as its levels frequently exceeded guidelines throughout the sampling periods, is an important concern throughout the valley. NH 3 near polluted rivers and SO 2 around brick factories are also important pollutants that need more intensive monitoring, primarily due to their importance in particulate matter formation chemistry.

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“…In addition, O 3 intrusions with stratospheric origin and reduced loss processes at greater altitudes may explain this phenomenon [14]. Some studies previously performed in mountainous regions of the EU and USA also refer that surface ozone mixing ratios increase with altitude, showing high nocturnal concentrations [14][15][16]. Throughout the experimental campaign, 30 VOCs were identified whose total concentrations are shown in Figure 4.…”

Section: Resultsmentioning

confidence: 76%

Atmospheric volatile organic compounds in a Portuguese mountain region

Evtyugina¹,

Nunes²,

Alves³

et al. 2007

WIT Transactions on Ecology and the Environment, Vol 101

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Ambient air volatile organic compounds (VOCs) samples were simultaneously collected at two sites during two consecutive weeks of June 2006 at Alvão Natural Park, in the north of Portugal, where spring and summer ozone exceedances have been registered over the last years. One of the sites was located at the background air quality monitoring site of Lamas de Olo, in the Alvão Mountain. Other site was sampled on the outskirts of the Park to characterise the predominant upwind air masses associated with higher ozone levels. Stainless steel canister and sorbent tube sampling was performed for the determination of C 2 -C 6 and C 6 -C 11 non-methane hydrocarbons, respectively, after analysis by gas chromatography coupled with flame ionisation detection or mass spectrometry.

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Distribution of ozone and other air pollutants in forests of the Carpathian Mountains in central Europe

Cited by 66 publications

References 39 publications

The seasonal variability of air pollution effects on pine conditions under changing climates

The seasonal variability of air pollution effects on pine conditions under changing climates

Variability of Anthropogenic Gases: Nitrogen Oxides, Sulfur Dioxide, Ozone and Ammonia in Kathmandu Valley, Nepal

Atmospheric volatile organic compounds in a Portuguese mountain region

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