Trace metal concentrations in sediments from the southwest of the Iberian Peninsula

Authors

  • Julián Blasco Instituto de Ciencias Marinas de Andalucía (CSIC)
  • Tania Gomes CIMA, Faculty of Marine and Environmental Sciences, University of Algarve
  • Tamara García-Barrera Departamento Química y Ciencia de los Materiales, Facultad de Ciencias Experimentales, Universidad de Huelva
  • Araceli Rodríguez-Romero Instituto de Ciencias Marinas de Andalucía (CSIC)
  • María Gonzalez-Rey CIMA, Faculty of Marine and Environmental Sciences, University of Algarve
  • Fernando Morán-Roldán Departamento Química y Ciencia de los Materiales, Facultad de Ciencias Experimentales, Universidad de Huelva
  • Chiara Tromibini
  • Michal Miotk CIMA, Faculty of Marine and Environmental Sciences, University of Algarve
  • José Luis Gómez-Ariza Departamento Química y Ciencia de los Materiales, Facultad de Ciencias Experimentales, Universidad de Huelva
  • María Joao Bebianno CIMA, Faculty of Marine and Environmental Sciences, University of Algarve

DOI:

https://doi.org/10.3989/scimar.2010.74s1099

Keywords:

metal, sediment, contamination, coastal zone, potential hazard, southwestern Iberian Peninsula

Abstract


Metal sediment concentrations (As, Cd, Cu, Hg, Ni, Pb and Zn) in surface sediments (0 to 5 cm) from 11 sampling stations in the southwest of the Iberian Peninsula (the Ria Formosa and the Guadiana River, the Ría de Huelva and the Bay of Cadiz) were determined in two seasonal periods (autumn 2006 and spring 2007). No seasonal metal concentration pattern was identified, as similar values were found in both periods. The highest concentrations of copper, zinc, lead and cadmium were reported in the Ria of Huelva area, and those of mercury and nickel in the Bay of Cadiz. The hazard potential index (HPiM) was determined to assess the potential risk associated with metal contamination (Cu, Cd, Pb and Zn), taking into account extractable (presumed bioavailable) fractions of these metals and site-specific sediment quality values. When the HPiM is > 1 there is risk, and according to this index Ría de Huelva is polluted whereas the Bay of Cadiz is not.

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Published

2010-12-30

How to Cite

1.
Blasco J, Gomes T, García-Barrera T, Rodríguez-Romero A, Gonzalez-Rey M, Morán-Roldán F, Tromibini C, Miotk M, Gómez-Ariza JL, Bebianno MJ. Trace metal concentrations in sediments from the southwest of the Iberian Peninsula. Sci. mar. [Internet]. 2010Dec.30 [cited 2025Feb.22];74(S1):99-106. Available from: https://scientiamarina.revistas.csic.es/index.php/scientiamarina/article/view/1222

Issue

Vol. 74 No. S1 (2010)

Section

Articles

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Copyright (c) 2010 Consejo Superior de Investigaciones Científicas (CSIC)

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