Search Results - "Shotyk, W"

Natural and anthropogenic sources of copper to organic soils: a global, geochemical perspective by Shotyk, W.

“…Copper (Cu) is essential for all organisms but is commonly deficient in organic soils or found locally in excess. Natural and anthropogenic inputs of Cu were…”
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Application of asymmetric flow field-flow fractionation to the study of aquatic systems: Coupled methods, challenges, and future needs by Wang, Yu, Cuss, C.W., Shotyk, W.

“…•The theoretical background and limitations of AF4 techniques are outlined.•Hyphenated AF4 methods for analyzing natural and manufactured nanoparticles are…”
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Stibiconite (Sb3O6OH), senarmontite (Sb2O3) and valentinite (Sb2O3): Dissolution rates at pH 2–11 and isoelectric points by Biver, M., Shotyk, W.

“…Batch reactor experiments were carried out in order to derive rate laws for the proton promoted dissolution of the main natural antimony oxide phases, namely…”
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The chronology of anthropogenic, atmospheric Pb deposition recorded by peat cores in three minerogenic peat deposits from Switzerland by Shotyk, W

“…Peat cores were collected from three minerogenic peatlands in Switzerland: La Tourbière des Genevez (TGE), in Canton Jura; Gola di Lago (GDL), in Canton…”
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Trace elements in the culturally significant plant Sarracenia purpurea in proximity to dust sources in the oil sands region of Alberta, Canada by Dennett, J.M., Dersch, A., Chipewyan Prairie First Nation, Barraza, F., Shotyk, W., Nielsen, S.E.

“…Accessible populations of plants are critical to the meaningful exercise of Aboriginal and treaty rights in Canada. In the oil sands region of Alberta,…”
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Measuring the distribution of trace elements amongst dissolved colloidal species as a fingerprint for the contribution of tributaries to large boreal rivers by Cuss, C.W., Donner, M.W., Grant-Weaver, I., Noernberg, T., Pelletier, R., Sinnatamby, R.N., Shotyk, W.

“…Organic and inorganic colloids play important roles governing the speciation, transport, and bioaccessibility of trace elements in aquatic systems. These…”
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Isotopic evolution of atmospheric Pb from metallurgical processing in Flin Flon, Manitoba: Retrospective analysis using peat cores from bogs by Shotyk, W., Rausch, N., Outridge, P.M., Krachler, M.

“…Atmospheric Pb deposition was reconstructed using peat cores from bogs in the vicinity of Flin Flon, Manitoba, Canada, home to a zinc refinery and copper…”
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Size-resolved analysis of trace elements in the dissolved fraction (<0.45 μm) of soil solutions using a novel lysimeter and asymmetrical flow field-flow fractionation coupled to ultraviolet absorbance and inductively coupled plasma mass spectrometry by Du, L., Cuss, C.W., Dyck, M.F., Noernberg, T., Shotyk, W.

“…The distributions of dissolved (<0.45 μm) trace elements (TEs) amongst major colloidal forms in soils have implications for their availability, accessibility,…”
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The isotopic evolution of atmospheric Pb in central Ontario since AD 1800, and its impacts on the soils, waters, and sediments of a forested watershed, Kawagama Lake by Shotyk, W., Krachler, M.

“…A peat core from an ombrotrophic bog documents the isotopic evolution of atmospheric Pb in central Ontario since AD 1804 ± 53 ( 210Pb dating). Despite the…”
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Qualitative comparison between raw peat and related humic acids in an ombrotrophic bog profile by Zaccone, C., Miano, T.M., Shotyk, W.

“…A peat core (10 × 10 × 81 cm) removed from Etang de la Gruère (Switzerland) was divided into 27 slices of 3 cm and the peat samples were freeze-dried and…”
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Interdependence of peat and vegetation in a tropical peat swamp forest by Page, S. E., Rieley, J. O., Shotyk, Ø. W., Weiss, D.

“…The visual uniformity of tropical peat swamp forest masks the considerable variation in forest structure that has evolved in response to differences and…”
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A record of Late Pleistocene and Holocene carbon accumulation and climate change from an equatorial peat bog (Kalimantan, Indonesia): implications for past, present and future carbon dynamics by Page, S. E., Wűst, R. A. J., Weiss, D., Rieley, J. O., Shotyk, W., Limin, S. H.

“…A 9.5 m core from an inland peatland in Kalimantan, Indonesia, reveals organic matter accumulation started around 26 000 cal. yr BP, providing the oldest…”
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Spatiotemporal variations of total and dissolved trace elements and their distributions amongst major colloidal forms along and across the lower Athabasca River by Ghotbizadeh, M., Cuss, C.W., Grant-Weaver, I., Markov, A., Noernberg, T., Ulrich, A., Shotyk, W.

“…With a wide variety of natural and potential anthropogenic inputs, the Athabasca River (AR) has been the focus of recent attention. In addition to natural…”
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Critical examination of trace element enrichments and depletions in soils: As, Cr, Cu, Ni, Pb, and Zn in Swiss forest soils by Blaser, P., Zimmermann, S., Luster, J., Shotyk, W.

“…The aim of this study was to obtain an overview of trace element concentrations in Swiss forest soils and to critically assess the measured values with respect…”
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Comment on: “A novel approach to peatlands as archives of total cumulative spatial pollution loads from atmospheric deposition of airborne elements complementary to EMEP data: Priority pollutants (Pb, Cd, Hg)” by Ewa Miszczak, Sebastian Stefaniak, Adam Michczyński, Eiliv Steinnes and Irena Twardowska by De Vleeschouwer, F., Baron, S., Cloy, J.M., Enrico, M., Ettler, V., Fagel, N., Kempter, H., Kylander, M., Li, C., Longman, J., Martinez-Cortizas, A., Marx, S., Mattielli, N., Mighall, T., Nieminen, T.M., Piotrowska, N., Pontevedra-Pombal, X., Pratte, S., Renson, V., Shotyk, W., Shuttleworth, E., Sikorski, J., Stromsoe, N., Talbot, J., von Scheffer, C., Weiss, D., Zaccone, C., Le Roux, G.

“…A recent paper by Miszczak et al. (2020) examines metal contamination of mires in Poland and Norway. The authors conclude that lead (Pb) records in…”
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Atmospheric Pb and Ti Accumulation Rates from Sphagnum Moss: Dependence upon Plant Productivity by Kempter, H, Krachler, M, Shotyk, W

“…The accumulation rates of atmospheric Pb and Ti were obtained using the production rates of Sphagnum mosses collected in four ombrotrophic bogs from two…”
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Comparison of mercury and zinc profiles in peat and lake sediment archives with historical changes in emissions from the Flin Flon metal smelter, Manitoba, Canada by Outridge, P.M., Rausch, N., Percival, J.B., Shotyk, W., McNeely, R.

“…The copper–zinc smelter at Flin Flon, Manitoba, was historically the largest single Hg point-source in Canada, as well as a major source of Zn. Although…”
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Interpreting the ash trend within ombrotrophic bog profiles: atmospheric dust depositions vs. mineralization processes. The Etang de la Gruère case study by Zaccone, C., Miano, T. M., Shotyk, W.

“…Introduction Ash peaks along ombrotrophic bog profiles may arise from several different processes. In a recent paper, Leifeld and co-authors (Plant Soil…”
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Anthropogenic contributions to atmospheric Hg, Pb and As accumulation recorded by peat cores from southern Greenland and Denmark dated using the 14C “bomb pulse curve” by Shotyk, W., Goodsite, M.E., Roos-Barraclough, F., Frei, R., Heinemeier, J., Asmund, G., Lohse, C., Hansen, T.S.

“…Mercury concentrations are clearly elevated in the surface and sub-surface layers of peat cores collected from a minerotrophic (“groundwater-fed”) fen in…”
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Enrichment and depletion of major and trace elements, and radionuclides in ombrotrophic raw peat and corresponding humic acids by Zaccone, C., Cocozza, C., Cheburkin, A.K., Shotyk, W., Miano, T.M.

“…An ombrotrophic peat core (10 × 10 × 81 cm) was collected from Etang de la Gruère (Switzerland) and divided in 27 slices of 3 cm. Humic acids (HAs) were…”
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