Arsenic Pollution In The Southwest Of Tuscany:
Monitoring Of Cornia Catchment Basin
Author(s)
F. Rossi, A. Donati, M. Rustici, B. Rugani & E. Tiezzi
Abstract
The territory of Colline Metallifere, in SW Tuscany, is characterized by the
presence of strong arsenic anomalies. Some hypotheses, formulated in the last 20
years, based on geological and mineralogical factors have failed to explain the
peculiar distribution of this toxic element in soil, fluvial sediments and ground
water. Our research group has been studying for four years the problem of
arsenic pollution in this district to investigate the origin and the mechanism of As
diffusion in the environment. In particular we started a comparative study based
on the extensive sampling of the stream sediments of the main waterways of
Colline Metallifere (Pecora, Bruna and Cornia and their tributaries). In this work
we focused our attention on the stream sediments and the soil of the Cornia
basin. The comparative analysis of Cornia and the other rivers of the area,
together with the investigation of historical series of data, provided important
information about the origin of contamination of the territory and the impact of
ancient mining settlements on this phenomenon.
Keywords: arsenic pollution, Tuscany, geochemical investigation, elemental
analysis, anthropogenic activity.
1 Introduction
Arsenic is a naturally occurring element, with an average abundance that range
from 1 to 10 mg/kg (dried soil) in the earth crust ranking as the 20th abundant
element [1].
Keywords
arsenic pollution, Tuscany, geochemical investigation, elemental
analysis, anthropogenic activity.
Related Book
Other papers in this volume
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