Enrichment of road dust particles and adjacent environments with metals and metalloids in eastern Moscow

Касимов, Н.С.; Власов, Д.В.; Кошелева, Н. Е.

doi:10.1016/j.uclim.2020.100638

Cited by 61 publications

(29 citation statements)

References 66 publications

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“…Besides the above-mentioned Na, Ca, Sr, K, and V due to the transport impact, the snow cover near all types of roads is highly polluted (CF > 3) with dissolved Mo and Mg, with W, Co, and Ba near the MRR, with W, Sn, Bi, Co, Ni, Ba, Sb, Fe, and Ti near highways, with Sb and Co near large roads, with Cd, Mn, and Co near medium roads, and with Sb, Ba, and Ni along small roads. The possible source of these MMs could be non-exhaust vehicle emissions [91][92][93][94], which is supported by the data on the intensive enrichment of Moscow road dust and especially its fractions PM 1 and PM 1-10 with Sb, W, Sn, Bi, and Cd [67,95,96], and nanoscale particles of road dust enriched with Pb, Cu, Zn, Ni, Cd, Cr, Co, and Sn [97]. Therefore, the highest CF values for many of these MMs, in particular W and Sn, are characteristic of snow cover along the MRR and highways.…”

Section: Dissolved Forms Of Mmsmentioning

confidence: 63%

“…Input of a large group of MMs as a result of blowing and splashing mud material from the surface of roads is indicated by the formation of associations of suspended Ni-Al-Mg-Ti-Ca-Sr-Mn-Co-W-K-Rb-Ba-Ni-Fe-V and dissolved Ti-Fe-Pb-Al-Sn-Bi-W. Thus, Al, Ti, Fe, Mn, Rb, and K come predominantly with soil particles upon blowing [118][119][120]; Na, Ca, Mg, and Sr-with construction dust and large DISs particles; W, Sn, Bi, Co, Ni, Ba, Pb, and Ti-with various size fractions of road dust [67,95,119,[121][122][123][124][125].…”

Section: Indication Of Sources (Cluster Analysis)mentioning

confidence: 97%

“…The pH of snow water in the territory of the MO MSU is 7.3, which is close to the mean value for residential zones. In Moscow, like most other cities, there is alkalinization of surface soil horizons [29,30,[64][65][66], road dust particles [65,67,68], and bottom sediments of lakes and ponds [69]. Previous studies on Moscow soil water extract and the composition of salts in soils showed a significant increase in the amount of carbonates [29], as opposed to the background sod-podzolic soils that do not contain carbonates at all.…”

Section: Physicochemical Properties and Macrocomposition Of Snow Meltmentioning

confidence: 99%

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Dissolved and Suspended Forms of Metals and Metalloids in Snow Cover of Megacity: Partitioning and Deposition Rates in Western Moscow

et al. 2020

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Concentrations and ratio of dissolved and suspended forms of metals and metalloids (MMs) in snow cover and their deposition rates from the atmosphere in the western part of Moscow were studied. Forms of MMs were separated using a filter with pore diameter of 0.45 μm; their concentrations were measured by ICP-MS and ICP-AES methods. Anthropogenic impact in Moscow caused a significant increase in dust load (2–7 times), concentration of solid particles in snow cover (2–5 times), and mineralization of snow meltwater (5–18 times) compared to the background level. Urban snow contains Sn, Ti, Bi, Al, W, Fe, Pb, V, Cr, Rb, Mo, Mn, As, Co, Cu, Ba, Sb, Mg mainly in suspended form, and Ca and Na in dissolved form. The role of suspended MMs in the city significantly increases compared to the background region due to high dust load, usage of de-icing salts, and the change of acidic background conditions to alkaline ones. Anthropogenic emissions are the main sources of suspended Ca, W, Co, V, Sr, Ti, Mg, Na, Mo, Zn, Fe, Sb, and Cu in the snow cover of traffic zone. These elements’ concentrations in roadside snow cover exceed the background values more than 25 times. The highest concentrations and deposition rates of MMs in the snow of Moscow are localized near the large and medium roads.

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Section: Dissolved Forms Of Mmsmentioning

confidence: 63%

Section: Indication Of Sources (Cluster Analysis)mentioning

confidence: 97%

Section: Physicochemical Properties and Macrocomposition Of Snow Meltmentioning

confidence: 99%

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Dissolved and Suspended Forms of Metals and Metalloids in Snow Cover of Megacity: Partitioning and Deposition Rates in Western Moscow

et al. 2020

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“…Sb, Zn, Sn, Bi, W, and Ni indicate the resuspension of road dust and its various grain size particles, since in Moscow and some other cities road dust is highly enriched with these PTEs (Ladonin and Plyaskina 2009;Fedotov et al 2014;Ermolin et al 2018;Kasimov et al 2019a;Ladonin and Mikhaylova 2020;Vlasov et al 2021b). For example, in the eastern part of Moscow, the fine fraction PM 1 and the coarser PM 1-10 of road dust are significantly (EF > 5) enriched in Sb, W, Sn, Cd, Zn, Cu, Pb, Mo, and Bi, especially on Moscow Ring Road and highways (Vlasov et al 2015;Kasimov et al 2020). Al, Fe, and Na are emitted by blowing out particles of contaminated urban soils (Morera-Gómez et al 2020).…”

Section: Sources Of Ptes In Rainwatermentioning

confidence: 99%

Daily Variations In Wet Deposition And Washout Rates Of Potentially Toxic Elements In Moscow During Spring Season

Власов

Еремина

Shinkareva

et al. 2021

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For the first time, the wet deposition and washout rates of soluble forms of potentially toxic elements (PTEs) were estimated in rains during the spring AeroRadCity experiment in Moscow. Rains are an important factor in reducing atmospheric pollution with PTEs in Moscow. Due to the resuspension of contaminated particles of road dust and urban soils, industrial and traffic impact, waste and biomass burning, rainwater is highly enriched in Sb, Pb, Se, Cd, and S, and less enriched in P, Ba, As, W, Mn, Sn, Na, Co, Ni, and Be. Significant wet deposition (μg/m2 per event) and washout rates (μg/m2 per hour) of PTEs were revealed during the public holidays in May which corresponded to the elevated aerosol content due to predominant air advection from southern and south-western regions in this period. During continuous rains, the level of PTEs wet deposition sharply decreases on the second and subsequent days due to the active below-cloud washout of aerosols during the initial precipitation events. We show that the length of the dry period and aerosol content before the onset of rain determines the amount of solid particles in rainwater, which leads to an increase in rainwater pH, and strongly affects wet deposition and washout rates of PTEs of mainly anthropogenic origin (W, Zn, Bi, Cd, Sb, Ni, B, S, K, and Cu). At the same time rainfall intensity contributes to an increase in wet deposition and washout rates of Se, As, B, Cu, Sb, S, Cd, Ba, Rb, and K. The obtained results provide a better understanding of atmospheric deposition processes and can be useful in assessing the urban environmental quality.

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“…Vlasov, N.E. Kosheleva [5], B.B. Prokhorov et al [6][7], N. Huneeus, H. Denier van der Gon, P. Castesana, C. Menares, R.Y.…”

Section: Introductionmentioning

confidence: 99%

Assessment of the impact of technogenic air pollution on the social processes of large urbanized regions

et al. 2020

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According to the Federal Information Fund for Social and Hygienic Monitoring FCFHE of Rospotrebnadzor air pollution in urbanized cities of Central Russia was studied. The most toxic anthropogenic pollutants and regions with the highest excesses of the maximum one-time and daily average maximum permissible concentrations of anthropogenic pollutants in the urban environment were identified. To assess the impact of technogenic air pollution on the medical and demographic processes of large urban areas in the GIS environment in the studied territories of Central Russia, we studied the dynamics of the general mortality of the population from malignant neoplasms of various organs, as well as the dynamics of mortality from leukemia. Studies have shown that a number of medical demographic processes directly correlate with atmospheric pollution by anthropogenic pollutants.

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Enrichment of road dust particles and adjacent environments with metals and metalloids in eastern Moscow

Cited by 61 publications

References 66 publications

Dissolved and Suspended Forms of Metals and Metalloids in Snow Cover of Megacity: Partitioning and Deposition Rates in Western Moscow

Dissolved and Suspended Forms of Metals and Metalloids in Snow Cover of Megacity: Partitioning and Deposition Rates in Western Moscow

Daily Variations In Wet Deposition And Washout Rates Of Potentially Toxic Elements In Moscow During Spring Season

Assessment of the impact of technogenic air pollution on the social processes of large urbanized regions

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