AI Article Synopsis
- Investigations of trace metals, major elements, and radionuclides in the EL-C01 sediment core provide insights into sedimentary changes and human impacts in the Po river prodelta over the last 175 years.
- There are identifiable peaks in trace metals and aluminum in the core, particularly associated with major flood events of the Po river in the 20th century.
- Post-1900 sediments show increased concentrations of lead, zinc, and copper, especially after World War II, but a decline in heavy metals since the 1980s suggests a positive impact from Italy's anti-pollution legislation.
Article Abstract
Trace Metals (TMs: Pb, Zn, Cu, Cr, Cd, and Ni), major elements (Al and Fe) and radionuclides (Pb/Cs) investigations on EL-C01 sediment core provides new information on sedimentary regime and anthropogenic impacts during the last 175 years in the Po river prodelta area. The results allow to identify some TMs/Al peak in the upper part of the core, likely related to the major flood events of the Po river during the XXth century. Sediments deposited after the year 1900 exhibit a gradual increase of some TMs concentrations compared to pre-industrial era values. In particular, Pb, Zn, and Cu high contents are detected after the World War II and during the "Italian Economic Miracle" period. The decrease of heavy metal (Zn and Pb) contents from the second half of the 1980s is probably the effect of the Italian Law 319/76 and anti-pollution environmental policies concerning industrial and urban emitters.
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| http://dx.doi.org/10.1016/j.marpolbul.2022.113399 | DOI Listing |
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