Baseline concentrations, spatial distribution and origin of trace elements in marine surface sediments of the northern Antarctic Peninsula
Descripción del Articulo
Increased human activity in the Antarctic Peninsula combined with accelerated melting of its glaciers highlights the importance of monitoring trace element concentrations. Surface sediment samples were collected around King George Island, Hope Bay and in the Bransfield Strait in February 2020 and we...
Autores: | , , , , |
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Formato: | artículo |
Fecha de Publicación: | 2023 |
Institución: | Instituto Geológico, Minero y Metalúrgico |
Repositorio: | INGEMMET-Institucional |
Lenguaje: | español |
OAI Identifier: | oai:repositorio.ingemmet.gob.pe:20.500.12544/4307 |
Enlace del recurso: | https://hdl.handle.net/20.500.12544/4307 https://doi.org/10.1016/j.marpolbul.2022.114501 |
Nivel de acceso: | acceso abierto |
Materia: | Elementos traza Análisis de trazas Análisis químico ICP-MS XRF-FP Contaminación http://purl.org/pe-repo/ocde/ford#1.05.00 http://purl.org/pe-repo/ocde/ford#1.05.06 |
Sumario: | Increased human activity in the Antarctic Peninsula combined with accelerated melting of its glaciers highlights the importance of monitoring trace element concentrations. Surface sediment samples were collected around King George Island, Hope Bay and in the Bransfield Strait in February 2020 and were analysed by X-ray fluorescence spectroscopy and inductively coupled plasma mass spectrometry. The methods display a good correlation. Our results show clear distinctions between these regions for selected elements with high local heterogeneities. Hope Bay exhibited lower concentrations of Fe, Mn, Co, V, Zn while most stations in the Bransfield Strait and around King George Island showed moderate to significant enrichment in Cu, As and Cd. Twelve stations presented a moderate ecological risk. The consistency of our values supports a natural rather than anthropogenic origin, possibly related to volcanism and the geology of the area. However, our results suggest an increase in Cr that should be further investigated. |
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La información contenida en este registro es de entera responsabilidad de la institución que gestiona el repositorio institucional donde esta contenido este documento o set de datos. El CONCYTEC no se hace responsable por los contenidos (publicaciones y/o datos) accesibles a través del Repositorio Nacional Digital de Ciencia, Tecnología e Innovación de Acceso Abierto (ALICIA).