Temporal Changes in Mountain Slope Gradients in the Concentrations of Pollutants and Pb Isotope Ratios Near the Ostrava Conurbation (Upper Silesia, Czech-Polish Border)

Přechová, Eva; Šebek, Ondřej; Strnad, Ladislav; Novák, Martin; Chrastný, Vladislav; Štěpánová, Markéta; Pašava, Jan; Veselovský, František; Čuřík, Jan; Pacherova, Petra; Bohdálková, Leona; Housková, Marie

doi:10.1007/s11270-020-04615-w

Cited by 8 publications

(3 citation statements)

References 46 publications

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“…However, we observed no clear seasonal single-element pattern that could be unambiguously attributed to atmospheric deposition. This is in conflict with observations made in other mid-to high-elevation forests of the Czech Republic where increased wet and dry airborne metal deposition during winter occurs in relation with the current E-W pollution gradient and frequent air-temperature inversions (Novák et al 2005;Bohdalkova et al 2012;Prechova Buzek et al 2023). Yet, the mobilization of metal pollutants could be linked to increased seasonality, with wet and dry periods marked by torrential rains and droughts that could significantly affect soil pore connectivity and biogeochemical responses (Blaurock et al 2021;Patel et al 2021).…”

Section: Absolute Seasonal Be Cr and Pb Soil Solution Concentrationscontrasting

confidence: 87%

Soil solution data from Bohemian headwater catchments record atmospheric metal deposition and legacy pollution

Petrash

Krám

Pérez-Rivera

et al. 2023

Environ Sci Pollut Res

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Soil solution chemistry depends largely on mineralogy and organic matter properties of soil horizons with which they interact. Differing lithologies within a given catchment area can influence variability in soil cation exchange capacities and affect solute transport. Zero-tension and tension lysimeters were used to evaluate the fast transport of solutes in the topsoil vs. slow diffusional matrix flow at the subsoil of three contrasting lithology catchments in a mid-elevation mountain forest. Our aim was to test the feasibility of lysimeters’ hydrochemical data as a gauge for legacy subsoil pollution. Due to contrasting lithologies, atmospheric legacy pollution prevailing at the soil-regolith interface is differently yet consistently reflected by beryllium, lead, and chromium soil solution concentrations of the three catchments. Geochemical (dis)equilibrium between the soil and soil matrix water governed the hydrochemistry of the soil solutions at the time of collection, potentially contributing to decreased dissolved concentrations with increased depths at sites with higher soil pH. A complementary isotopic δ18O runoff generation model constrained potential seasonal responses and pointed to sufficiently long water-regolith interactions as to permit important seasonal contributions of groundwater enriched in chemical species to the topsoil levels. Our study also reflects subsoil equilibration with atmospheric solutes deposited at the topsoil and thus provides guidance for evaluating legacy pollution in soil profiles derived from contrasting lithology.

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Section: Absolute Seasonal Be Cr and Pb Soil Solution Concentrationscontrasting

confidence: 87%

Soil solution data from Bohemian headwater catchments record atmospheric metal deposition and legacy pollution

Petrash

Krám

Pérez-Rivera

et al. 2023

Environ Sci Pollut Res

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“…Acidifying compounds deposited at the study site originated from (i) North Bohemian soft-coal burning power plants located 300 km to the west (Novak et al 2000 ), (ii) the Silesian industrial area near Ostrava (eastern Czech Republic, stone coal and metallurgy; 40 km to the north) and (iii) Olkusz industrial area (southern Poland, base metals and thermal power plants; 140 km to the northeast; Fig. 1 a; Buzek et al 2017 , 2023 ; Prechova et al 2020 , 2023 ). After 1994, reactive nitrogen (N r ) deposition at CER fluctuated between 5 and 14 kg ha −1 yr −1 (Oulehle et al 2021 ; Fig.…”

Section: Methodsmentioning

confidence: 99%

Sizeable net export of base cations from a Carpathian flysch catchment indicates their geogenic origin while the 26Mg/24Mg, 44Ca/40Ca and 87Sr/86Sr isotope ratios in runoff are indistinguishable from atmospheric input

Novak,

Kochergina,

Andronikov

et al. 2024

Environ Sci Pollut Res

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Nutrient imbalances may negatively affect the health status of forests exposed to multiple stress factors, including drought and bark beetle calamities. We studied the origin of base cations in runoff from a small Carpathian catchment underlain by base-poor flysch turbidites using magnesium (Mg), calcium (Ca) and strontium (Sr) isotope composition of 10 ecosystem compartments. Our objective was to constrain conclusions drawn from long-term hydrochemical monitoring of inputs and outputs. Annual export of Mg, Ca and Sr exceeds 5-to-15 times their atmospheric input. Mass budgets per se thus indicate sizeable net leaching of Mg, Ca and Sr from bedrock sandstones and claystones. Surprisingly, δ26Mg, δ44Ca and 87Sr/86Sr isotope ratios of runoff were practically identical to those of atmospheric deposition and soil water but significantly different from bedrock isotope ratios. We did not find any carbonates in the studied area as a hypothetical, easily dissolvable source of base cations whose isotope composition might corroborate the predominance of geogenic base cations in the runoff. Marine carbonates typically have lower δ26 Mg and 87Sr/86Sr ratios, and silicate sediments often have higher δ26Mg and 87Sr/86Sr ratios than runoff at the study site. Mixing of these two sources, if confirmed, could reconcile the flux and isotope data.

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“…62 Zinc concentrations in waters and exchangeable-Zn extracts were determined on an X-series (Thermo Fisher) Q-ICP-MS with a detection limit of 0.5 μg L −1 . Zinc concentrations in total digests of mineral soil, bedrock, coal, ore, and fly ash were determined on an ICP-OES (Agilent Technologies 5110) 63 with a detection limit of 0.3 μg L −1 . A total of 122 samples were analyzed for Zn isotope ratios on a MC-ICP-MS (Neptune, Thermo Fisher) following elution chromatography.…”

Section: ■ Materials and Methodsmentioning

confidence: 99%

Catchment Runoff in Industrial Areas Exports Legacy Pollutant Zinc from the Topsoil Rather than Geogenic Zn

Andronikov

Novák

Oulehle

et al. 2021

Environ. Sci. Technol.

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In highly industrialized, densely populated parts of Central Europe, mobilization of legacy Zn pollution from forest ecosystems may negatively affect the quality of water resources. To test this hypothesis, we determined the 66 Zn/ 64 Zn isotope ratios of 15 Zn reservoirs and fluxes in an acidified, spruce die-back affected mountain-slope catchment in northern Czech Republic. The δ 66 Zn values of precipitation, organic horizon, and runoff were statistically indistinguishable. In contrast, δ 66 Zn values of bedrock orthogneiss and mineral soil were significantly different from δ 66 Zn values of runoff. The magnitude of within-site Zn isotope fractionations appeared to be relatively small. Despite the large potential source of Zn in bedrock, runoff exported mostly young pollutant Zn that had been temporarily stored in the organic horizon. This conclusion was corroborated by comparing Zn input−output mass balances in the polluted northern catchment and in a relatively unpolluted catchment situated 250 km to the south. Seven-times higher Zn export via runoff at the northern site was controlled by a combination of 10-times higher atmospheric Zn input and five-times higher DOC leaching, compared to the southern site. In industrial areas, atmospherically deposited Zn is leached from headwater catchments in a direct analogy to leaching of highly toxic pollutant Pb.

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Temporal Changes in Mountain Slope Gradients in the Concentrations of Pollutants and Pb Isotope Ratios Near the Ostrava Conurbation (Upper Silesia, Czech-Polish Border)

Cited by 8 publications

References 46 publications

Soil solution data from Bohemian headwater catchments record atmospheric metal deposition and legacy pollution

Soil solution data from Bohemian headwater catchments record atmospheric metal deposition and legacy pollution

Sizeable net export of base cations from a Carpathian flysch catchment indicates their geogenic origin while the 26Mg/24Mg, 44Ca/40Ca and 87Sr/86Sr isotope ratios in runoff are indistinguishable from atmospheric input

Catchment Runoff in Industrial Areas Exports Legacy Pollutant Zinc from the Topsoil Rather than Geogenic Zn

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