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Article

Dissolved Metal (Fe, Mn, Zn, Ni, Cu, Co, Cd, Pb) and Metalloid (As, Sb) in Snow Water across a 2800 km Latitudinal Profile of Western Siberia: Impact of Local Pollution and Global Transfer

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BIO-GEO-CLIM Laboratory, Tomsk State University, 36 Lenina, 634050 Tomsk, Russia
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Shirshov Institute of Oceanology, Russian Academy of Sciences, 36 Nakhimovsky Pr., 117997 Moscow, Russia
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Geosciences Environment Toulouse, UMR 5563 CNRS, University of Toulouse, 14 Avenue Edouard Belin, 31400 Toulouse, France
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N Laverov Center for Integrated Arctic Research, Institute of Ecological Problems of the North, 23 Nab Severnoi Dviny, RAS, 163000 Arkhangelsk, Russia
*
Authors to whom correspondence should be addressed.
Academic Editor: Domenico Cicchella
Water 2022, 14(1), 94; https://doi.org/10.3390/w14010094
Received: 1 December 2021 / Revised: 20 December 2021 / Accepted: 31 December 2021 / Published: 4 January 2022
Snow cover is known to be an efficient and unique natural archive of atmospheric input and an indicator of ecosystem status. In high latitude regions, thawing of snow provides a sizable contribution of dissolved trace metals to the hydrological network. Towards a better understanding of natural and anthropogenic control on heavy metals and metalloid input from the atmosphere to the inland waters of Siberian arctic and subarctic regions, we measured chemical composition of dissolved (<0.22 µm) fractions of snow across a 2800 km south–north gradient in Western Siberia. Iron, Mn, Co, Ni, and Cd demonstrated sizable (by a factor of 4–7) decrease in concentration northward, which can be explained by a decrease in overall population density and the influence of dry aerosol deposition. Many elements (Mn, Ni, Cu, Cd, Pb, As, and Sb) exhibited a prominent local maximum (a factor of 2–3) in the zone of intensive oil and gas extraction (61–62° N latitudinal belt), which can be linked to gas flaring and fly ash deposition. Overall, the snow water chemical composition reflected both local and global (long-range) atmospheric transfer processes. Based on mass balance calculation, we demonstrate that the winter time atmospheric input represents sizable contribution to the riverine export fluxes of dissolved (<0.45 µm) Mn, Co, Zn, Cd, Pb, and Sb during springtime and can appreciably shape the hydrochemical composition of the Ob River main stem and tributaries. View Full-Text
Keywords: snow; heavy metal; trace element; river flux; gas flaring; pollution; Western Siberia snow; heavy metal; trace element; river flux; gas flaring; pollution; Western Siberia
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MDPI and ACS Style

Krickov, I.V.; Lim, A.G.; Shevchenko, V.P.; Vorobyev, S.N.; Candaudap, F.; Pokrovsky, O.S. Dissolved Metal (Fe, Mn, Zn, Ni, Cu, Co, Cd, Pb) and Metalloid (As, Sb) in Snow Water across a 2800 km Latitudinal Profile of Western Siberia: Impact of Local Pollution and Global Transfer. Water 2022, 14, 94. https://doi.org/10.3390/w14010094

AMA Style

Krickov IV, Lim AG, Shevchenko VP, Vorobyev SN, Candaudap F, Pokrovsky OS. Dissolved Metal (Fe, Mn, Zn, Ni, Cu, Co, Cd, Pb) and Metalloid (As, Sb) in Snow Water across a 2800 km Latitudinal Profile of Western Siberia: Impact of Local Pollution and Global Transfer. Water. 2022; 14(1):94. https://doi.org/10.3390/w14010094

Chicago/Turabian Style

Krickov, Ivan V., Artem G. Lim, Vladimir P. Shevchenko, Sergey N. Vorobyev, Frédéric Candaudap, and Oleg S. Pokrovsky. 2022. "Dissolved Metal (Fe, Mn, Zn, Ni, Cu, Co, Cd, Pb) and Metalloid (As, Sb) in Snow Water across a 2800 km Latitudinal Profile of Western Siberia: Impact of Local Pollution and Global Transfer" Water 14, no. 1: 94. https://doi.org/10.3390/w14010094

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