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Título: | PAHs and trace metals in marine surficial sediments from the Porcupine Bank (NE Atlantic): A contribution to establishing background concentrations |
Autor: | Viñas, Lucía CSIC ORCID ; Pérez-Fernández, Begoña; Besada, Victoria; Gago, Jesús CSIC ORCID; McHugh, Brendan; Parra, Santiago | Palabras clave: | Background concentrations Marine sediments Metals NE Atlantic PAHs |
Fecha de publicación: | 15-ene-2023 | Editor: | Elsevier | Citación: | Science of the Total Environment 856(2) : 159189 (2023) | Resumen: | Little is known about pollutant concentrations in marine remote areas such as the Porcupine Bank in the NE Atlantic Ocean. Remote locations are much less studied than the more readily accessible coastal areas, nevertheless, are of great importance both to unveil how far human influence has reached and, are more challenging, to infer background concentrations (BCs) of naturally occurring and/or anthropogenic pollutants. Knowledge of contaminant background levels are critical for establishing remediation and management strategies; in addition, background assessment is heavily emphasised in legislative monitoring requirements. Obtaining suitable sampling locations to assess background concentrations can be challenging, as samples should match characteristics to the target area and not be impacted by historical or current inputs of the chemical substances of study. Anthropogenic impacts generally deem local-based sampling to be unsuitable to infer background pollution values. Sampling in remote areas such as the Porcupine Bank better fulfils low impact and pressure requirements making them more suitable for the derivation of background concentration estimates for organic compounds and metals. The total concentrations of polycyclic aromatic hydrocarbons (PAHs) and metal(loid)s in deep sea sediments were evaluated and both an environmental status and a set of concentration data were adequate to derive BCs concentrations is presented. Concentration data indicated, in comparison with previous published data, trace level presence of PAHs and metal(loids) in sediments from the Porcupine Bank. These values will provide a valuable tool to identify the natural presence of organic and inorganic compounds and be the basis to perform a sound environmental assessment. | Versión del editor: | https://doi.org/10.1016/j.scitotenv.2022.159189 | URI: | http://hdl.handle.net/10261/311226 | DOI: | 10.1016/j.scitotenv.2022.159189 | ISSN: | 0048-9697 | E-ISSN: | 1879-1026 |
Aparece en las colecciones: | (IEO) Artículos |
Ficheros en este ítem:
Fichero | Descripción | Tamaño | Formato | |
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Vinas_PAHs_ sediments_Porcupine_Bank2023.pdf | Artículo principal | 1,25 MB | Adobe PDF | Visualizar/Abrir |
Sup_material_Vinas_PAHs_ sediments_Porcupine_Bank2023.pdf | Apéndice A: datos suplementarios | 1,32 MB | Adobe PDF | Visualizar/Abrir |
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