Chronological records of metal deposition in sediments from the Strait of Sicily, central Mediterranean: Assessing natural fluxes and anthropogenic alteration

Rodolfo Neri, Adriana Bellanca, Giorgio Tranchida, Bernardo Patti, Leonardo Langone, Salvatore Mazzola, Massimo Angelone, Angelo Bonanno

Risultato della ricerca: Article

12 Citazioni (Scopus)

Abstract

Sediment box-cores were recovered from the Strait of Sicily along two onshore–offshore transects in waterdepths of 29–500 m. Samples were dated by 210Pb and analysed for major and trace elements. Inspections ofchronological profiles integrated with application of statistical algorithms to the geochemical dataset andsupported by in situ hydrological observations were used to assess factors driving element distributions.Mineralogical and chemical variability of sediments offshore of the southwestern Sicily coast reflect the irregularsea floor morphology of the Adventure Bank. Anthropogenic inputs explain enrichments with respect tobackground values for Sb, As, Pb, and Hg, that become more marked since approximately the 1960s. Clearfluctuations of major and trace element concentrations along a+150 year record and high background values ofsome trace metals (notably Cr, Ni, and locally As) are interpreted as signals of geothermal and/or magmaticactivities in the Strait of Sicily. A combined effect of current flowing, sea floor morphology and thermohalinegradient appears to encourage trace metal accumulation in front of the southern coast of Sicily.
Lingua originaleEnglish
pagine (da-a)157-172
Numero di pagine16
RivistaJournal of Marine Systems
Volume79
Stato di pubblicazionePublished - 2010

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sediment deposition
Sicily
trace metal
strait
trace elements
metals
trace element
coast
metal
sediment
seafloor
transect
coasts
sediments
water currents
sampling
chemical
in situ
inspection
distribution

All Science Journal Classification (ASJC) codes

  • Oceanography
  • Ecology, Evolution, Behavior and Systematics
  • Aquatic Science

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Chronological records of metal deposition in sediments from the Strait of Sicily, central Mediterranean: Assessing natural fluxes and anthropogenic alteration. / Neri, Rodolfo; Bellanca, Adriana; Tranchida, Giorgio; Patti, Bernardo; Langone, Leonardo; Mazzola, Salvatore; Angelone, Massimo; Bonanno, Angelo.

In: Journal of Marine Systems, Vol. 79, 2010, pag. 157-172.

Risultato della ricerca: Article

Neri, Rodolfo ; Bellanca, Adriana ; Tranchida, Giorgio ; Patti, Bernardo ; Langone, Leonardo ; Mazzola, Salvatore ; Angelone, Massimo ; Bonanno, Angelo. / Chronological records of metal deposition in sediments from the Strait of Sicily, central Mediterranean: Assessing natural fluxes and anthropogenic alteration. In: Journal of Marine Systems. 2010 ; Vol. 79. pagg. 157-172.
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abstract = "Sediment box-cores were recovered from the Strait of Sicily along two onshore–offshore transects in waterdepths of 29–500 m. Samples were dated by 210Pb and analysed for major and trace elements. Inspections ofchronological profiles integrated with application of statistical algorithms to the geochemical dataset andsupported by in situ hydrological observations were used to assess factors driving element distributions.Mineralogical and chemical variability of sediments offshore of the southwestern Sicily coast reflect the irregularsea floor morphology of the Adventure Bank. Anthropogenic inputs explain enrichments with respect tobackground values for Sb, As, Pb, and Hg, that become more marked since approximately the 1960s. Clearfluctuations of major and trace element concentrations along a+150 year record and high background values ofsome trace metals (notably Cr, Ni, and locally As) are interpreted as signals of geothermal and/or magmaticactivities in the Strait of Sicily. A combined effect of current flowing, sea floor morphology and thermohalinegradient appears to encourage trace metal accumulation in front of the southern coast of Sicily.",
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AU - Neri, Rodolfo

AU - Bellanca, Adriana

AU - Tranchida, Giorgio

AU - Patti, Bernardo

AU - Langone, Leonardo

AU - Mazzola, Salvatore

AU - Angelone, Massimo

AU - Bonanno, Angelo

PY - 2010

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AB - Sediment box-cores were recovered from the Strait of Sicily along two onshore–offshore transects in waterdepths of 29–500 m. Samples were dated by 210Pb and analysed for major and trace elements. Inspections ofchronological profiles integrated with application of statistical algorithms to the geochemical dataset andsupported by in situ hydrological observations were used to assess factors driving element distributions.Mineralogical and chemical variability of sediments offshore of the southwestern Sicily coast reflect the irregularsea floor morphology of the Adventure Bank. Anthropogenic inputs explain enrichments with respect tobackground values for Sb, As, Pb, and Hg, that become more marked since approximately the 1960s. Clearfluctuations of major and trace element concentrations along a+150 year record and high background values ofsome trace metals (notably Cr, Ni, and locally As) are interpreted as signals of geothermal and/or magmaticactivities in the Strait of Sicily. A combined effect of current flowing, sea floor morphology and thermohalinegradient appears to encourage trace metal accumulation in front of the southern coast of Sicily.

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