1. Jorge O. Codignotto Buenos Aires University, Argentina
AIACC Project LA26 The Coast of the Río de la Plata and the Paraná delta front: evolution
Jorge O. Codignotto
Buenos Aires University, Argentina

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

21. CONCLUSIONS The 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)