File Entry: HISTORICAL RECONSTRUCTION OF HEAVY METAL CONCENTRATION IN THE GULF OF CARIACO, VENEZUELA

Created: 2016-03-19 13:30:41
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Version created on: 2016-03-19 13:30:41


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210-Pb activity is an useful technique in environmental investigation, to
determine sediments accumulation rates, geochronology, and to study metals.
Its activity decline exponentially with depth, and is inversely proportional to the
sedimentation rate at non-impacted ecosystem. Dating of sediments, combined
with chemical profile, allow the study of the impact events in coastal zones.
In the present study, we have investigated the history of metals concentrations
and sedimentation rates of recent sediments (100 years) in the Cariaco Gulf,
Venezuela (Fig. 1), an important fishery area at the Caribbean Sea, with
industrial, harbor, agricultural and urban activities
 


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