Possible contamination of the Abrolhos reefs by Fundao dam tailings, Brazil – New constraints based on satellite data

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MetadadosDescriçãoIdioma
Autor(es): dc.contributorUniversidade Estadual de Campinas (UNICAMP)-
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.creatorCoimbra, Keyla Thayrinne Oliveira-
Autor(es): dc.creatorAlcântara, Enner [UNESP]-
Autor(es): dc.creatorde Souza Filho, Carlos Roberto-
Data de aceite: dc.date.accessioned2022-08-04T22:08:39Z-
Data de disponibilização: dc.date.available2022-08-04T22:08:39Z-
Data de envio: dc.date.issued2022-04-28-
Data de envio: dc.date.issued2022-04-28-
Data de envio: dc.date.issued2020-09-01-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1016/j.scitotenv.2020.138101-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/221477-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/221477-
Descrição: dc.descriptionThe Fundão dam, located in Mariana city, Minas Gerais State, southeastern Brazil, collapsed in November 2015, causing the discharge of over 50 million m3 of iron ore tailings in the Doce river basin. The mud generated by the disaster was composed of fine particulates (silt and clay), which are more sensitive to wind dispersion. Based on laboratory analyses and hydrodynamic modeling, early research postulates the hypothesis that the mud discharged in the ocean traveled 10,000 km up north and may have reached the Abrolhos coral reefs. This research aims to investigate further this hypothesis based on broad-scale remotely sensed data. Satellite images were used to estimate the suspended particulate matter (SPM) in the coastal zone before, during, and after the dam collapse. Results indicate that higher concentrations of SPM appeared during and post-collapse and were restricted to the coastal zone and its shallower regions, including beaches. However, we demonstrate that under exceptional circumstances the wind blew to the north, carrying fine particulate material and potentially-toxic metals derived from the iron ore tailings towards the northeastern Brazilian coastline and possibly the reefs of the Abrolhos Bank.-
Descrição: dc.descriptionConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)-
Descrição: dc.descriptionInstitute of Geosciences University of Campinas, PO Box 6152-
Descrição: dc.descriptionInstitute of Science and Technology São Paulo State University-
Descrição: dc.descriptionInstitute of Science and Technology São Paulo State University-
Descrição: dc.descriptionCNPq: 303169/2018-4-
Descrição: dc.descriptionCNPq: 309712/2017-3-
Idioma: dc.languageen-
Relação: dc.relationScience of the Total Environment-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectAbrolhos reefs-
Palavras-chave: dc.subjectFundão dam collapse-
Palavras-chave: dc.subjectMining-
Palavras-chave: dc.subjectRemote sensing-
Palavras-chave: dc.subjectTailings-
Título: dc.titlePossible contamination of the Abrolhos reefs by Fundao dam tailings, Brazil – New constraints based on satellite data-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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