Variability of air pollutants, and PM composition and sources at a regional background site in the Balearic Islands: Review of western Mediterranean phenomenology from a 3-year study

Cerro, José Carlos; Cerdà, Vı́ctor; Querol, Xavier; Alastuey, Andrés; Bujosa, Carles; Pey, Jorge

doi:10.1016/j.scitotenv.2020.137177

Cited by 18 publications

(9 citation statements)

References 74 publications

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“…Although the gas-phase oxidation pathway is considered slower in comparison with aqueous phase reactions, under a low humidity environment (0–30%) and high solar radiation, gas-phase reactions are considered to play a key role in sulfate formation, while aqueous-phase formation reactions are more pronounced in a high humidity and weak solar radiation environment [ 54 ]. It is considered that levels of ambient SO 4 2− in marine environments are related to anthropogenic emissions such as industry and shipping emissions [ 31 , 55 , 56 ].…”

Section: Resultsmentioning

confidence: 99%

Sources, Ionic Composition and Acidic Properties of Bulk and Wet Atmospheric Deposition in the Eastern Middle Adriatic Region

Gluščić

Žužul

Pehnec

et al. 2023

Toxics

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Atmospheric bulk and wet deposition samples were collected simultaneously at the background coastal site in the Eastern Middle Adriatic region in order to assess the impact of major ions (Cl−, NO3−, SO42−, Na+, K+, NH4+, Mg2+, Ca2+) on deposition acidity and distinguish the main sources. Higher ion levels were observed during the cold period, especially for Cl−, Na+, Mg2+ and K+. Dust intrusion caused significant increases in levels of Ca2+, Mg2+ and K+, while open-fire events increased the levels of K+. Deposition acidity showed seasonal differences as well as the influence of dust intrusion. Low ionic balance ratios indicated acidic deposition properties and the presence of organic anions. The highest neutralization ability was found for Ca2+, Na+ and NH4+. Several natural (marine, crustal) and anthropogenic sources were determined, as well as the formation of secondary aerosols. Wet deposition was characterized by higher contribution of sea salt fraction compared to bulk deposition and lower contribution of crustal fraction.

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Section: Resultsmentioning

confidence: 99%

Sources, Ionic Composition and Acidic Properties of Bulk and Wet Atmospheric Deposition in the Eastern Middle Adriatic Region

Gluščić

Žužul

Pehnec

et al. 2023

Toxics

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“…Organic carbon and elemental carbon were determined in the IDAEA-CSIC laboratories, in Barcelona (Spain) by means of a thermo-optical SUNSET analyzer (Sunset Laboratory Inc., Tigard, OR, USA) in a 0.196 cm 2 subsection of each filter, following EUSAAR_2 temperature protocol [33]. Given the remoteness of the sampling sites, organic carbon concentrations were converted into organic matter by applying a 2.1 factor, as in [34].…”

Section: Analytical Determinationsmentioning

confidence: 99%

Snow Impurities in the Central Pyrenees: From Their Geochemical and Mineralogical Composition towards Their Impacts on Snow Albedo

et al. 2020

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The aim of this work is to understand aerosol transfers to the snowpack in the Spanish Pyrenees (Southern Europe) by determining their episodic mass-loading and composition, and to retrieve their regional impacts regarding optical properties and modification of snow melting. Regular aerosol monitoring has been performed during three consecutive years. Complementarily, short campaigns have been carried out to collect dust-rich snow samples. Atmospheric samples have been chemically characterized in terms of elemental composition and, in some cases, regarding their mineralogy. Snow albedo has been determined in different seasons along the campaign, and temporal variations of snow-depth from different observatories have been related to concentration of impurities in the snow surface. Our results noticed that aerosol flux in the Central Pyrenees during cold seasons (from November to May, up to 12–13 g m−2 of insoluble particles overall accumulated) is much higher than the observed during the warm period (from June to October, typically around 2.1–3.3 g m−2). Such high values observed during cold seasons were driven by the impact of severe African dust episodes. In absence of such extreme episodes, aerosol loadings in cold and warm season appeared comparable. Our study reveals that mineral dust particles from North Africa are a major driver of the aerosol loading in the snowpack in the southern side of the Central Pyrenees. Field data revealed that the heterogeneous spatial distribution of impurities on the snow surface led to differences close to 0.2 on the measured snow albedo within very short distances. Such impacts have clear implications for modelling distributed energy balance of snow and predicting snow melting from mountain headwaters.

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“…In recent years, the research on SO2 involve the measurement of emissions [8][9][10], the design of air quality monitoring network [11,12], and the treatment policy discussion [13][14][15]. However, the most concerning of previous studies is the identification of the influencing factors [16,17].…”

Section: Introductionmentioning

confidence: 99%

Spatial Dependence of SO2 Emissions and Energy Consumption Structure in Northern China

2023

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China has made achievements in SO2 emissions reduction in recent years. However, the emissions of SO2 in northern China remain high, which need to be reduced. To effectively control SO2 emissions in northern China, this paper from the perspective of the coordinated treatment of air pollution discusses the impact of energy consumption, economic development, and environmental regulation on SO2 emissions in 14 provinces and regions by the Spatial Lag Model (SLM), Spatial Error Model (SEM), and Spatial Durbin Model (SDM). The study shows that (1) there is an obvious spatial dependence between SO2 emissions and energy consumption; (2) the increase in the scale of industry enterprise can exacerbate SO2 emissions in local and adjacent regions; and (3) the consumption of electricity suppresses SO2 emissions in the local region, and increases SO2 emissions in adjacent regions, which indicated that the electricity transmission can transfer the emissions of SO2. Therefore, in the treatment of SO2, it is necessary to fully consider the characteristics of SO2 transfer in the electric power industry.

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Variability of air pollutants, and PM composition and sources at a regional background site in the Balearic Islands: Review of western Mediterranean phenomenology from a 3-year study

Cited by 18 publications

References 74 publications

Sources, Ionic Composition and Acidic Properties of Bulk and Wet Atmospheric Deposition in the Eastern Middle Adriatic Region

Sources, Ionic Composition and Acidic Properties of Bulk and Wet Atmospheric Deposition in the Eastern Middle Adriatic Region

Snow Impurities in the Central Pyrenees: From Their Geochemical and Mineralogical Composition towards Their Impacts on Snow Albedo

Spatial Dependence of SO2 Emissions and Energy Consumption Structure in Northern China

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