Soil Contamination by Toxic Metals Near an Antarctic Refuge in Robert Island, Maritime Antarctica: A Monitoring Strategy

Neto, Elias de Lima; Guerra, Marcelo Braga Bueno; Thomazini, André; Daher, Mayara; Andrade, André Medeiros de; Schaefer, Carlos Ernesto Gonçalves Reynaud

doi:10.1007/s11270-017-3245-4

Cited by 25 publications

(20 citation statements)

References 34 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…At the same time, there is an accumulation of Cd and Cr, which apparently have an anthropogenic origin. The largest amount of Cd is present in the areas where Antarctic scientific stations are based [38,48,49]. Principal component analysis (PCA) analysis ( Figure 3) indicates an accumulation of Zn and Cu in cryoconites at Collins Ice Cap.…”

Section: The Content Of Trace Metals In Studied Cryoconitesmentioning

confidence: 99%

“…These four elements accumulate mainly during the erosion of volcanic rocks on the island and are associated with atmospheric deposition on glaciers [46]. In Antarctica, the areas most affected by anthropogenic activities are those close to oil reservoirs, power generators, or landfills, or those directly affected by fires [38,48,50]. The source of Cd and Cu is mostly fuel spills and paintwork in the Antarctic station areas.…”

Section: The Content Of Trace Metals In Studied Cryoconitesmentioning

confidence: 99%

“…Most of the studies related to the pollution of soil and aquatic ecosystems in Antarctica [21,37,38] have shown that pollution is mainly concentrated around scientific stations. Environmental monitoring studies are extremely important for the conservation of the continent's vulnerable plant and animal species.…”

Section: The Content Of Trace Metals In Studied Cryoconitesmentioning

confidence: 99%

See 2 more Smart Citations

Black Carbon as a Source of Trace Elements and Nutrients in Ice Sheet of King George Island, Antarctica

2020

View full text Add to dashboard Cite

Enormous deglaciation in the polar and mountainous regions of the Earth is associated not only with large-scale climatic changes but also with the global transfer of black carbon (BC) microparticles, which accumulate on the surface of glaciers and lead to changes in albedo and the rate of degradation of ice. BC is the product of an incomplete combustion of fossil fuels, volcanic eruptions, and wildfires. The accumulation of organogenic microparticles leads to the formation of cryoconites, which are dust made of a combination of small rock particles and the result of anthropogenic activities (fossil fuel combustion) that play a special role in deglaciation. Here, we describe the content of trace metals and nutrients in accumulation of the BC from glaciers of Fildes Peninsula, King George Island, Western Antarctica. The analysis of trace metals concentrations showed that most of the studied elements (Cr, Pb, Zn, Ni) have a volcanic origin; at the same time, Cd and Cu have been accumulated as a result of anthropogenic activity. The content of nutrients in BC are most similar with Technosols, which forms near the scientific station at King George Island. The particles of BC can be translocated into organisms, which could pose a significant risk for living organisms and humans.

show abstract

Section: The Content Of Trace Metals In Studied Cryoconitesmentioning

confidence: 99%

Section: The Content Of Trace Metals In Studied Cryoconitesmentioning

confidence: 99%

Section: The Content Of Trace Metals In Studied Cryoconitesmentioning

confidence: 99%

See 1 more Smart Citation

Black Carbon as a Source of Trace Elements and Nutrients in Ice Sheet of King George Island, Antarctica

2020

View full text Add to dashboard Cite

show abstract

“…Indeed, ecological and/or human health concerns linked with elevated soil metal concentrations have been reported in every continent (e.g. Basta and Gradwohl, 2000;de Lima Neto et al, 2017;Farmer et al, 2011;Flynn et al, 2002;Mungai et al, 2016;Pereira et al, 2017;Taylor et al, 2010;Zhao et al, 2015). Contamination can arise from many potential sources, including mining and smelting activities, the use of rock phosphate or sewage sludge in agriculture, gaseous and particulate emissions from coal combustion, other industrial releases, and vehicular emissions (e.g.…”

Section: Introductionmentioning

confidence: 99%

Evaluating cadmium bioavailability in contaminated rice paddy soils and assessing potential for contaminant immobilisation with biochar

Kosolsaksakul

Oliver

Graham

2018

Journal of Environmental Management

View full text Add to dashboard Cite

Cadmium (Cd) contaminated soils from the Mae Sot district in northwest Thailand, a region in which rice Cd concentrations often exceed health limits (0.4 mg/kg) set by the World Health Organisation, were examined for isotopically exchangeable Cd (Cd E values using a 111 Cd spike) to determine how this rates as a predictor of rice grain Cd in comparison with soil total Cd and solution extractable Cd (using the commonly applied BCR scheme and, in an attempt to distinguish carbonate bound forms, the Tessier soil sequential extraction scheme reagents). Step 1 of the BCR scheme (0.11 M CH3COOH) and step 1 of the Tessier scheme (1M MgCl2) showed the highest R 2 values in regressions with rice Cd (91% and 90%, respectively), but all predictors were strongly linked to rice Cd (p<0.001) and could be used for prediction purposes. One soil, of the six tested, was an exception to this, where all predictors overestimated grain Cd by a factor of 2.5 to 5.7, suggesting that rice grain Cd had been restricted here by the differing flooding regime and subsequent changes to redox conditions. E values and Tessier step 1 extractions were closely related, indicating that these measurements access similar pools of soil Cd. Separately, the isotopic exchangeability (representing bioavailability) of Cd was also assessed in two soils amended with rice husk and miscanthus biochars (0, 1, 5, 10, 15 and 20% w/w) in order to assess the utility of the biochars as a soil amendment for immobilising Cd in-situ. One soil showed significant reductions in Cd E value at 5% rice husk biochar addition and at 15% miscanthus biochar addition however, based on the E value-rice grain Cd regression relationship previously established, the E values in the amended soils still predicted for a rice Cd concentration above the health limit. In the second soil, neither of the biochars successfully reduced the Cd E value. This indicates that further work is needed to customise biochar properties to suit specific soil and contaminant situations if they are to be used successfully for remediation of metal contaminated soils.

show abstract

“…La investigación científica en el territorio de la Antártida es relevante para el país y aporta al conocimiento no solo a nivel nacional sino también a la comunidad internacional. Existen pocos reportes sobre los niveles de contaminantes inorgánicos y su impacto antrópico en ese ecosistema (De Lima Neto, 2017;Brugnoli, [s.d.]).…”

Section: Introductionunclassified

Determinación de potenciales contaminantes inorgánicos en muestras de suelos y aguas del territorio uruguayo en la Antártida

Muiños

Fialho

Pistón

2018

INNOTEC

View full text Add to dashboard Cite

show abstract

Soil Contamination by Toxic Metals Near an Antarctic Refuge in Robert Island, Maritime Antarctica: A Monitoring Strategy

Cited by 25 publications

References 34 publications

Black Carbon as a Source of Trace Elements and Nutrients in Ice Sheet of King George Island, Antarctica

Black Carbon as a Source of Trace Elements and Nutrients in Ice Sheet of King George Island, Antarctica

Evaluating cadmium bioavailability in contaminated rice paddy soils and assessing potential for contaminant immobilisation with biochar

Determinación de potenciales contaminantes inorgánicos en muestras de suelos y aguas del territorio uruguayo en la Antártida

Contact Info

Product

Resources

About