CHARACTERIZATION OF AQUATIC ORGANIC MATTER IN A NATURAL ENVIRONMENT IN NORTHEASTERN BRAZIL

Autor: Adnívia S. Costa Monteiro, Maria Aparecida A. Santana, Raisa de Siqueira Alves Chielle, Carlos Alexandre Borges Garcia, José do Patrocínio Hora Alves

Publikováno v: Química Nova, Vol 43, Iss 10, Pp 1431-1438 (2021)

The organic matter (OM) contained in a natural aquatic environment, located in a tropical region in Notheastern Brazil, was characterized using synchronous fluorescence spectroscopy and UV-Vis absorbance. The synchronous fluorescence spectra did not

Externí odkaz: https://doaj.org/article/ecde2491a4074217ab56372f2275067e

Surface water quality assessment of the main tributaries in the lower São Francisco River, Sergipe

Autor: Fábio Brandão Britto, Anderson Nascimento do Vasco, Antenor de Oliveira Aguiar Netto, Carlos Alexandre Borges Garcia, Gilsia Fabiane Oliveira Moraes, Marinoé Gonzaga da Silva

Publikováno v: Revista Brasileira de Recursos Hídricos, Vol 23 (2018)

ABSTRACT Contamination of water body by diffuse and point sources in springs has caused concerns mainly due to restrictions on its quality. The problem becomes more serious when contamination affects water for human consumption, as occurs in the rive

Externí odkaz: https://doaj.org/article/bd5d23cb0bf5454e95f2d6b8466324e3

Concentrações e associações geoquímicas de Pb e Zn em sedimentos do rio São Francisco impactados por rejeitos da produção industrial de zinco Concentrations and geochemical associations of Pb and Zn in sediments of the river São Francisco impacted by wastes from industrial zinc production

Autor: Marcos Vinícius Teles Gomes, Adnivia Santos Costa, Carlos Alexandre Borges Garcia, Elisângela Andrade Passos, José do Patrocínio Hora Alves

Publikováno v: Química Nova, Vol 33, Iss 10, Pp 2088-2092 (2010)

Surface sediments from the River São Francisco were analyzed to investigate the impact, due to the presence of metals (Cd, Cu, Pb, Zn) in wastes from a metallurgical industry in the city of Três Marias/MG, Brazil. The concentrations and geochemical

Externí odkaz: https://doaj.org/article/4d425b07738e45cfaa8976ac0c36c43a

Determination and evaluation of mercury concentration in fish in the São Francisco River Watershed, Brazil

Autor: Carlos Alexandre Borges Garcia, Silvânio Silvério Lopes da Costa, Érica Araújo Mendes, Marcos Vinícius Teles Gomes, Yoshimi Sato, Mário Olindo Tallarico de Miranda

Publikováno v: Revista Ambiente & Água, Vol 16, Iss 2, Pp 1-14 (2021)
Revista Ambiente & Água v.16 n.2 2021
Revista Ambiente & Água
Instituto de Pesquisas Ambientais em Bacias Hidrográficas (IPABHI)
instacron:IPABHI
Revista Ambiente & Água, Volume: 16, Issue: 2, Article number: e2647, Published: 21 APR 2021

The objective of this work was to evaluate the bioaccumulation of mercury in 13 species of fish with different eating habits, captured in the Três Marias Reservoir, São Francisco Basin, from March 2012 to April 2013. The results obtained showed tha

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::981b5ccb982c2e6a8cad0694e9574058
https://www.scielo.br/j/ambiagua/a/PnWCD5B9p7FWNvDsFffVrwh/?lang=en

Geochemistry of trace metals in surface sediments from the continental slope of the states of Sergipe and Alagoas, Northeastern Brazil

Autor: Carlos Alexandre Borges Garcia, Adnívia Santos Costa Monteiro, Silvânio Silvério Lopes da Costa, Maria de Lara Palmeira de Macedo Arguelho, Rennan Geovanny Oliveira Araújo, Maria Eulália Rocha Carneiro, José do Patrocínio Hora Alves

Publikováno v: Marine pollution bulletin. 186

Geochemical analyses were used to determine the origin and identify the main factors that lead to the metal trace distribution on the surface sediments from the continental slope of Sergipe in Brazil. Sediment samples were collected during the dry an

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::13aabc8d076fffa7ebdbc01220bc1bdb
https://pubmed.ncbi.nlm.nih.gov/36549239