Geochemical characterization of surficial sediments from the southwestern Iberian continental shelf

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Main Author: J.A. Dias
Format: Artículo científico
Language:en
Published: Universidad Autónoma de Baja California 2005
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author J.A. Dias
author_facet J.A. Dias
contents Geochemical characterization of surficial sediments from the southwestern Iberian continental shelf J.A. Dias M.F. Araújo F. Vitali A. Machado F. Rocha C. Gomes Ciencias de la Tierra trace elements fine sediments continental shelf Iberian Peninsula rare earth elements The impact of trace elements (Ba, Nb, Zr, Y, Sr, Rb, Pb, As, Zn, Cu, Ni, Co, Cr, V, La, Ce, Nd, Sm, Eu, Tb, Yb and Lu)transported by the Guadiana, Tinto-Odiel and Guadalquivir rivers on sediments from the southwestern Iberian continental shelfhas been studied. Shelf surficial sediments from three transects established right in front of the river estuaries were characterizedby specific signatures relative to those trace elements. The Guadiana transect shows high Zr concentration values; the Tinto-Odieltransect shows high heavy metal (Pb, As, Zn and Cu) concentration values; and the Guadalquivir transect shows high Srconcentration values. Data from the statistical analysis indicate three distinct sources for trace elements: lithogenic, biogenic andanthropogenic. 2005 artículo científico 0185-3880 https://www.redalyc.org/articulo.oa?id=48003104 en http://www.redalyc.org/revista.oa?id=480 Ciencias Marinas application/pdf Universidad Autónoma de Baja California Ciencias Marinas (México) Num.1B Vol.31
format Artículo científico
id redalyc_48003104
language en
publishDate 2005
publisher Universidad Autónoma de Baja California
spellingShingle Geochemical characterization of surficial sediments from the southwestern Iberian continental shelf
J.A. Dias
Ciencias de la Tierra
trace elements
fine sediments
continental shelf
Iberian Peninsula
rare earth elements
Geochemical characterization of surficial sediments from the southwestern Iberian continental shelf J.A. Dias M.F. Araújo F. Vitali A. Machado F. Rocha C. Gomes Ciencias de la Tierra trace elements fine sediments continental shelf Iberian Peninsula rare earth elements The impact of trace elements (Ba, Nb, Zr, Y, Sr, Rb, Pb, As, Zn, Cu, Ni, Co, Cr, V, La, Ce, Nd, Sm, Eu, Tb, Yb and Lu)transported by the Guadiana, Tinto-Odiel and Guadalquivir rivers on sediments from the southwestern Iberian continental shelfhas been studied. Shelf surficial sediments from three transects established right in front of the river estuaries were characterizedby specific signatures relative to those trace elements. The Guadiana transect shows high Zr concentration values; the Tinto-Odieltransect shows high heavy metal (Pb, As, Zn and Cu) concentration values; and the Guadalquivir transect shows high Srconcentration values. Data from the statistical analysis indicate three distinct sources for trace elements: lithogenic, biogenic andanthropogenic. 2005 artículo científico 0185-3880 https://www.redalyc.org/articulo.oa?id=48003104 en http://www.redalyc.org/revista.oa?id=480 Ciencias Marinas application/pdf Universidad Autónoma de Baja California Ciencias Marinas (México) Num.1B Vol.31
title Geochemical characterization of surficial sediments from the southwestern Iberian continental shelf
topic Ciencias de la Tierra
trace elements
fine sediments
continental shelf
Iberian Peninsula
rare earth elements
url https://www.redalyc.org/articulo.oa?id=48003104