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Evolution of the Coast of Río de la Plata and Paraná Delta: Historical Advances and Erosion

This study analyzes the evolution of the coast of Río de la Plata and Paraná Delta, including historical advances and erosion rates. The delta has steadily advanced over the years, while the external de la Plata river and Samborombón Bay have experienced erosion.

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Evolution of the Coast of Río de la Plata and Paraná Delta: Historical Advances and Erosion

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  1. AIACC Project LA26The Coast of the Río de la Plata and the Paraná delta front: evolution Jorge O. Codignotto Buenos Aires University, Argentina

  2. Deltaic progradation1750 and 1800 the delta advance 9km (180m/year)1800 and 1850 the delta advance 5km (100m/year) 1850 and 1900 the delta advance 5km (100m/year)1900 and 1950 the delta advance 3km ( 60m/year) 1900 and 1950 the delta advance 4,5km (90m/year) to day 60-70m/year

  3. CONCLUSIONSThe delta of the Paraná river 27 km advanced in the last 250 years(at the present 60-70m/year)In the external de la Plata river, the coast erosion was 30 m in the last 40 years(0,75m/year)In the Samborombón Bay, the erosion was of 70 m in the last 40 years(0,65 m/year)

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