Contaminación por Metales Pesados en Sedimentos Viales

Contaminación por Metales Pesados en Sedimentos Viales

Carlos Alfonso Zafra Mejía / Nancy Peña / Santiago Alvarez

89,65 €
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Editorial:
KS OmniScriptum Publishing
Año de edición:
2013
Materia
Ciencia, ingeniería y tecnología medioambientales
ISBN:
9783659076725
89,65 €
IVA incluido
Disponible

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Los sedimentos viales acumulados en tiempo seco llevan consigo elementos metálicos que afectan los recursos hídricos cuando son transportados por la escorrentía, y deterioran la calidad del aire cuando son suspendidos por el viento y la turbulencia inducida por el tráfico. En este libro de resultados de investigación se presenta una evaluación de la contaminación por metales pesados en los sedimentos superficiales de dos zonas del corredor vial Soacha-Bogotá D.C. (Colombia). Los elementos metálicos evaluados durante el período de investigación fueron los siguientes: Mn, Fe, Cu, Zn, As, Cd, Ba y Pb. Los resultados muestran que las concentraciones detectadas dan evidencia de contaminación por Pb y Zn. Estos metales exceden los límites establecidos por la normatividad internacional utilizada como de referencia: (i) española, (ii) turca e (iii) italiana a nivel de Europa; y (i) venezolana y (ii) chilena a nivel sudamericano. Adicionalmente, se evidencia que Pb y Zn exceden las normas sudamericanas durante el 60,5 y 53,5% de las veces durante el período de investigación, respectivamente.

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