Research Topics
| W ShotykSummaryAffiliation: University of Heidelberg Country: Germany Publications
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Detail Information
Publications
Anthropogenic impacts on the biogeochemistry and cycling of antimonyWilliam Shotyk
Institute of Environmental Geochemistry, University of Heidelberg, Im Neuenheimer Feld 236, D 69120 Heidelberg, Germany
Met Ions Biol Syst 44:171-203. 2005..Further study of this problem is needed, as well as the chemical speciation of Sb in soil-water-plant-sediment systems, and the implications which this has for human and ecosystem health...
Atmospheric deposition of silver and thallium since 12 370 14C years BP recorded by a Swiss peat bog profile, and comparison with lead and cadmiumWilliam Shotyk
Institute of Environmental Geochemistry, University of Heidelberg, INF 236, D 69120 Heidelberg, Germany
J Environ Monit 6:427-33. 2004..The Pb/Ag and Tl/Ag ratios show that Pb and Tl are preferentially released, compared to Ag, during smelting of argentiferous Pb ores mined during the Roman and Medieval Periods...
Lithogenic, oceanic and anthropogenic sources of atmospheric Sb to a maritime blanket bog, Myrarnar, Faroe IslandsWilliam Shotyk
Institute of Environmental Geochemistry, University of Heidelberg, INF 236, D 69120, Heidelberg, Germany
J Environ Monit 7:1148-54. 2005....
Natural abundance of Sb and Sc in pristine groundwaters, Springwater Township, Ontario, Canada, and implications for tracing contamination from landfill leachatesWilliam Shotyk
Institute of Environmental Geochemistry, University of Heidelberg, INF 236, D 69120, Heidelberg, Germany
J Environ Monit 7:1238-44. 2005..The Sb and Sc concentrations reported here should serve as reference values for this region, against which contamination by various human impacts in future could be compared...
Biogeochemistry and cycling of leadWilliam Shotyk
Institute of Environmental Geochemistry, University of Heidelberg, Im Neuenheimer Feld 236, D 69120 Heidelberg, Germany
Met Ions Biol Syst 43:239-75. 2005..Accurate and precise measurements of the isotopic composition of Pb employing appropriate clean lab protocols, will continue to advance our understanding of the fate of Pb in the environment and its impact on human and ecosystem health...
Contamination of Canadian and European bottled waters with antimony from PET containersWilliam Shotyk
Institute of Environmental Geochemistry, University of Heidelberg, INF 236, D 69120, Heidelberg, Germany
J Environ Monit 8:288-92. 2006....
New peat bog record of atmospheric lead pollution in Switzerland: Pb concentrations, enrichment factors, isotopic composition, and organolead speciesW Shotyk
Geological Institute, University of Berne, Switzerland
Environ Sci Technol 36:3893-900. 2002..In fact the decline in anthropogenic Pb was probably in response to the introduction of legislation, first in Germany and later in the European Union, establishing a maximum allowable concentration of Pb in gasoline...
The chronology of anthropogenic, atmospheric Pb deposition recorded by peat cores in three minerogenic peat deposits from SwitzerlandW Shotyk
Geological Institute, University of Berne, Switzerland
Sci Total Environ 292:19-31. 2002....
Lead in bottled waters: contamination from glass and comparison with pristine groundwaterWilliam Shotyk
Institute of Environmental Geochemistry, University of Heidelberg, INF 236, D 69120 Heidelberg, Germany
Environ Sci Technol 41:3508-13. 2007..In fact, all of the waters tested were well below the maximum allowable concentration established by the EU, Health Canada, and the WHO for Pb in drinking water (10 microg/L)...
Predominant anthropogenic sources and rates of atmospheric mercury accumulation in southern Ontario recorded by peat cores from three bogs: comparison with natural "background" values (past 8000 years)Nicolas Givelet
Institute of Geological Sciences, University of Berne, Baltzerstrasse 1 3, CH 3012 Berne, Switzerland
J Environ Monit 5:935-49. 2003..While Hg accumulation rates have gone into strong decline since the late 1950's, Hg deposition rates today still exceed the average natural background values by 7 to 13 times...
Use of Br and Se in peat to reconstruct the natural and anthropogenic fluxes of atmospheric Hg: A 10000-year record from Caribou Bog, MaineF Roos-Barraclough
Institute of Geological Sciences, University of Berne, Baltzerstrasse 1-3, CH-3012 Berne, Switzerland
Environ Sci Technol 40:3188-94. 2006..At the peak in Hg deposition in 1961 A.D., Hgex made up >90% of total atmospheric Hg deposition. The AR in the uppermost peat decreased to 25% of peak values by 2000 A.D...
A new approach for quantifying cumulative, anthropogenic, atmospheric lead deposition using peat cores from bogs: Pb in eight Swiss peat bog profilesW Shotyk
Geological Institute, University of Berne, Switzerland
Sci Total Environ 249:281-95. 2000....
Spatial distribution of natural enrichments of arsenic, selenium, and uranium in a minerotrophic peatland, Gola di Lago, Canton Ticino, SwitzerlandZayre I González
Institute of Environmental Geochemistry, Im Neuenheimer Feld 236, 69120 Heidelberg, Germany
Environ Sci Technol 40:6568-74. 2006..In both cases, most of the As was associated with the organic matter fraction (73% and 57% respectively). Although this peatland is an effective geochemical trap for As in the stream waters, the mechanisms of removal remain unclear...
Comparison of atmospheric deposition of copper, nickel, cobalt, zinc, and cadmium recorded by Finnish peat cores with monitoring data and emission recordsNicole Rausch
Institute of Environmental Geochemistry, University of Heidelberg, Im Neuenheimer Feld 236, 69120 Heidelberg, Germany
Environ Sci Technol 39:5989-98. 2005..ARs of Zn were between 3 and 30 mg m(-2) year(-1) and those of Cd between 24 and 140 microg m(-2) year(-1) at all sites and are independent of the chronology of their inputs from the atmosphere...
Atmospheric mercury accumulation rates between 5900 and 800 calibrated years BP in the High Arctic of Canada recorded by peat hummocksNicolas Givelet
Institute of Geological Sciences, University of Berne, Switzerland
Environ Sci Technol 38:4964-72. 2004..In preindustrial times, therefore, the High Arctic was no more important as a sink for global atmospheric mercury than was the temperate zone...
Identifying the sources and timing of ancient and medieval atmospheric lead pollution in England using a peat profile from Lindow bog, ManchesterGaël Le Roux
Institute of Environmental Geochemistry, University of Heidelberg, Im Neuenheimer Feld 236, 69120, Germany
J Environ Monit 6:502-10. 2004....
Atmospheric inputs of Ag and Tl to the Arctic: comparison of a high resolution snow pit (AD 1994-2004) with a firn (AD 1860-1996) and an ice core (previous 16,000 yr)Michael Krachler
Institute of Environmental Geochemistry, University of Heidelberg, Heidelberg, Germany
Sci Total Environ 399:78-89. 2008..Based on the best estimate of natural inputs, more than 80% of the Ag and 90% of the Tl supplied to the Arctic today (AD 1994-2004) are derived from anthropogenic sources...
Two thousand years of atmospheric rare earth element (REE) deposition as revealed by an ombrotrophic peat bog profile, Jura Mountains, SwitzerlandMichael Krachler
Institute of Environmental Geochemistry, University of Heidelberg, Im Neuenheimer Feld 236, 69120 Heidelberg, Germany
J Environ Monit 5:111-21. 2003....
Atmospheric deposition of V, Cr, and Ni since the late glacial: effects of climatic cycles, human impacts, and comparison with crustal abundancesMichael Krachler
Institute of Environmental Geochemistry, University of Heidelberg, Im Neuenheimer Feld 236, 69120 Heidelberg, Germany
Environ Sci Technol 37:2658-67. 2003..This study demonstrates the usefulness of peat bogs as archives of atmospheric metal deposition and underpins the potential of peat cores to help distinguish between lithogenic and anthropogenic metal sources...
Trace and ultratrace metals in bottled waters: survey of sources worldwide and comparison with refillable metal bottlesMichael Krachler
Institute of Earth Sciences, University of Heidelberg, Heidelberg, Germany
Sci Total Environ 407:1089-96. 2009..Pocket flasks, in turn, should be selected with great care to avoid contamination of beverages with harmful amounts of potentially toxic trace metals such as Sb and Tl...
Increasing atmospheric antimony contamination in the northern hemisphere: snow and ice evidence from Devon Island, Arctic CanadaMichael Krachler
Institute of Environmental Geochemistry, University of Heidelberg, Im Neuenheimer Feld 236, 69120, Heidelberg, Germany
J Environ Monit 7:1169-76. 2005..Given that the toxicity of Sb is comparable to that of Pb, Sb has now replaced Pb in the rank of potentially toxic trace metals in the Arctic atmosphere...
Natural and anthropogenic enrichments of molybdenum, thorium, and uranium in a complete peat bog profile, Jura Mountains, SwitzerlandMichael Krachler
Institute of Environmental Geochemistry, University of Heidelberg, Im Neuenheimer Feld 236, 69120, Heidelberg, Germany
J Environ Monit 6:418-26. 2004..Uranium does not show the same enrichment pattern which suggests that steel-making rather than coal combustion is the primary source of atmospheric Mo contamination at this site...
Determination of trace element concentrations in natural freshwaters: how low is "low", and how low do we need to go?William Shotyk
Institute of Earth Sciences, University of Heidelberg, INF 236, D 69120 Heidelberg, Germany
J Environ Monit 11:1747-53. 2009..g. As and U in groundwater), or because of human activities (e.g. atmospheric contamination of snow with Pb and Sb)...
Trace elements in recent groundwater of an artesian flow system and comparison with snow: enrichments, depletions, and chemical evolution of the waterWilliam Shotyk
Institute of Earth Sciences, University of Heidelberg, INF 236, D 69120, Heidelberg, Germany
J Environ Monit 12:208-17. 2010..Elements neither significantly enriched nor depleted at both sites include Fe, Ga, Ge, and P...
Suggested protocol for collecting, handling and preparing peat cores and peat samples for physical, chemical, mineralogical and isotopic analysesNicolas Givelet
Institute of Environmental Geochemistry, University of Heidelberg, Im Neuenheimer Feld 236, D 69120 Heidelberg, Germany
J Environ Monit 6:481-92. 2004..Radiometric methods (the carbon bomb pulse of (14)C, (210)Pb and conventional (14)C dating) are combined to allow reliable age-depth models to be reconstructed for each peat profile...
Contamination of bottled waters with antimony leaching from polyethylene terephthalate (PET) increases upon storageWilliam Shotyk
Institute of Environmental Geochemistry, University of Heidelberg, INF 236, D 69120 Heidelberg, Germany
Environ Sci Technol 41:1560-3. 2007..3+/-0.3 ng/L Sb (n = 3) when sampled from a household faucet in the same village (Bammental, Germany), and 25.7+/-1.5 ng/L Sb (n = 3) from a local artesian flow...
An analytical protocol for the determination of total mercury concentrations in solid peat samplesF Roos-Barraclough
Geological Institute, University of Berne, Switzerland
Sci Total Environ 292:129-39. 2002..Bulk density and water content measurements are performed on every slice using separate subsamples...
Atmospheric Pb and Ti accumulation rates from Sphagnum moss: dependence upon plant productivityH Kempter
Institute of Earth Sciences, University of Heidelberg, INF 236, D 69120 Heidelberg, Germany
Environ Sci Technol 44:5509-15. 2010..The median rates of net Pb accumulation by the mosses are in excellent agreement with the fluxes obtained by direct atmospheric measurements at nearby monitoring stations in both regions (EMEP and MAPESI data)...
Porewater evidence of metal (Cu, Ni, Co, Zn, Cd) mobilization in an acidic, ombrotrophic bog impacted by a smelter, Harjavalta, Finland and comparison with reference sitesNicole Rausch
Institute of Environmental Geochemistry, University of Heidelberg, Im Neuenheimer Feld 236, 69120 Heidelberg, Germany
Environ Sci Technol 39:8207-13. 2005..4). The elevated proton concentrations not only promote mineral dissolution but also compete with cation exchange processes and hinder the formation of metal complexes with organic ligands...
Comparative study of the temporal evolution of atmospheric lead deposition in Scotland and eastern Canada using blanket peat bogsDominik Weis
Department of Earth, Atmospheric, and Planetary Science, MIT, Cambridge, MA 02139, USA
Sci Total Environ 292:7-18. 2002..These results are thus the first to report pre-industrial lead isotope ratios and concentrations of atmospheric derived aerosols in North America...
Antimony: global environmental contaminantWilliam Shotyk
J Environ Monit 7:1135-6. 2005
Millennial-scale records of atmospheric mercury deposition obtained from ombrotrophic and minerotrophic peatlands in the Swiss Jura MountainsFiona Roos-Barraclough
Institute of Geological Sciences, University of Bern, Baltzerstrasse 1-3, CH-3012 Bern, Switzerland
Environ Sci Technol 37:235-44. 2003....
Archives of environmental contaminationWilliam Shotyk
J Environ Monit 6:417. 2004
