Source and background threshold values of potentially toxic elements in soils by multivariate statistics and GIS-based mapping: a high density sampling survey in the Parauapebas basin, Brazilian Amazon

A high-density regional-scale soil geochemical survey comprising 727 samples (one sample per each 5 × 5 km grid) was carried out in the Parauapebas sub-basin of the Brazilian Amazonia, under the Itacaiúnas Basin Geochemical Mapping and Background Project. Samples were taken from two depths at each s...

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Veröffentlicht in:	Environmental geochemistry and health 2020, Vol.42 (1), p.255-282
Hauptverfasser:	Sahoo, Prafulla Kumar, Dall’Agnol, Roberto, Salomão, Gabriel Negreiros, da Silva Ferreira Junior, Jair, da Silva, Marcio Souza, Martins, Gabriel Caixeta, e Souza Filho, Pedro Walfir Martin, Powell, Mike A., Maurity, Clovis Wagner, Angelica, Rômulo Simões, da Costa, Marlene Furtado, Siqueira, José Oswaldo
Format:	Artikel
Sprache:	eng
Schlagworte:	Aluminum Anomalies Anthropogenic factors Barium Brazil Cadmium Calcium Chromium Contamination Copper Distribution Distribution patterns Domains Earth and Environmental Science Environment Environmental Chemistry Environmental Health Environmental Monitoring - methods Environmental Monitoring - statistics & numerical data Feldspars Field strength Geochemical surveys Geochemistry Geographic Information Systems Geographical information systems Geology Hafnium Human influences Iron Iron - chemistry Manganese Mapping Mass spectrometry Mass spectroscopy Metals, Heavy - analysis Metals, Heavy - toxicity Minerals Multivariate Analysis Nickel Niobium Organic chemistry Original Paper Polls & surveys Principal components analysis Public Health Rocks Soil Soil - chemistry Soil contamination Soil mapping Soil Pollutants - analysis Soil Pollutants - toxicity Soil pollution Soil Science & Conservation Soil surfaces Soils Spatial distribution Statistical analysis Statistical methods Surveying Terrestrial Pollution Zinc
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Zusammenfassung:	A high-density regional-scale soil geochemical survey comprising 727 samples (one sample per each 5 × 5 km grid) was carried out in the Parauapebas sub-basin of the Brazilian Amazonia, under the Itacaiúnas Basin Geochemical Mapping and Background Project. Samples were taken from two depths at each site: surface soil, 0–20 cm and deep soil, 30–50 cm. The ground and sieved (
ISSN:	0269-4042 1573-2983
DOI:	10.1007/s10653-019-00345-z