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The Zoning of Semi-Enclosed Bodies of Water According to the Sediment Pollution: The Bay of Algeciras as a Case Example

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URI: http://hdl.handle.net/10498/15901

DOI: 10.1007/s12237-011-9389-3

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2011 Algeciras contaminacion sedimentos.pdf (637.8Kb)
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Author/s
Rojo Nieto, E; Garrido Pérez, CarmenAuthority UCA; Anfuso Melfi, GiorgioAuthority UCA; López Aguayo, Francisco; Sales Lérida, DiegoAuthority UCA; Perales Vargas-Machuca, José AntonioAuthority UCA
Date
2011-01-01
Department
Ciencias de la Tierra
Source
Estuaries and Coasts (2011) 34:1129–1139
Abstract
This paper reports a study of the occurrence and levels of polycyclic aromatic hydrocarbons (PAHs) in a bay characterised by a chronic persistent impact. A total of 55 sediment samples were taken at different depths up to 111 m in two sampling campaigns. Chemical analyses were carried out by gas chromatography-mass spectroscopy. The results indicate that: (1) significant spatial variations exist, (2) levels of PAHs are related more strongly to the spatial distribution of sediments than to mineralogy/granulometry, (3) the sediments are slightly-to-moderately contaminated by PAHs, and (4) these PAHs derive from pyrolytic and petrogenic sources. Through use of an innovative data classification system (proposed according to depth and spatial location of sampling points), and using factorial and cluster techniques, five zones have been differentiated depending on the contamination level and source.
Subjects
Spatial classification; Marine; Sediment; Polycyclic aromatic hydrocarbons
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  • Artículos Científicos [4817]
  • Articulos Científicos CC. Tierra [114]
  • Artículos Científicos INMAR [412]

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