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João M. Oliveira ; Lídia Silva ; Fernando P. Carvalho ;Revista de Gestão Costeira IntegradaJournal of Integrated Coastal Zone Management 2013, 13 4

Autor: Margarida Malta

Fuente: http://www.redalyc.org/articulo.oa?id=388340143001


Introducción



Revista de Gestão Costeira Integrada Journal of Integrated Coastal Zone Management E-ISSN: 1646-8872 rgci.editor@gmail.com Associação Portuguesa dos Recursos Hídricos Portugal Malta, Margarida; Oliveira, João M.; Silva, Lídia; Carvalho, Fernando P. Radioactivity from Lisboa urban wastewater discharges in the Tejo River Estuary Revista de Gestão Costeira Integrada - Journal of Integrated Coastal Zone Management, vol.
13, núm.
4, 2013, pp.
399-408 Associação Portuguesa dos Recursos Hídricos Lisboa, Portugal Available in: http:--www.redalyc.org-articulo.oa?id=388340143001 How to cite Complete issue More information about this article Journals homepage in redalyc.org Scientific Information System Network of Scientific Journals from Latin America, the Caribbean, Spain and Portugal Non-profit academic project, developed under the open access initiative Revista da Gestão Costeira Integrada 13(4):399-408 (2013) Journal of Integrated Coastal Zone Management 13(4):399-408 (2013) http:--www.aprh.pt-rgci-pdf-rgci-339_Malta.pdf | DOI:10.5894-rgci339 Radioactivity from Lisboa urban wastewater discharges in the Tejo River Estuary * Radioactividade no estuário do Tejo proveniente das descargas de águas residuais de Lisboa Margarida Malta 1, João M.
Oliveira 1, Lídia Silva 1, Fernando P.
Carvalho @, 1 Abstract Sediments, water, mussels and fish were collected monthly during a 19 month period at eight sampling stations along the North bank of the Tejo estuary (Lisboa, Portugal).
Fresh samples were immediately analysed for short lived gamma emitting radionuclides. Amongst these, 131I and 99mTc were detected in most samples of mussels (Mytilus galloprovincialis) and mullets (Liza ramada).
Spatial distribution of samples containing these radionuclides consistently indicated contamination at Alcântara and Praça do Comércio, and, on occasion, at Chelas, all sites inside the estuary.
Round-the-year, generally there was no contamination at Algés, near the estuar...





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