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Catastrophe Vulnerability and Risk Mapping in the Iron Quadrangle, Brazil – Pre...

Vicq, Raphael; Albuquerque, Teresa; Fonseca, Rita; Leite, Mariangela

The geochemistry of fluvial deposits is one of the most used proxies for contamination assessment in mined areas. A river sediment survey was carried out in Iron Quadrangle (IQ), Brazil, between 2013 and 2015. Subsequently, in the last four years, two dam failures happened, causing great environmental damage. Geostatistical modelling was used to model Potentially Toxic Elements’ spatial patterns and the definit...


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