Evolution of the Black Sea Shore in the Danube Delta Biosphere Reserve Area
AbstractThe intensification of erosion at the Romanian Black Sea coast has resulted in the implementation of measures for protection since 1962. So, in this sense, in the shore area included in the Danube Delta Biosphere Reserve, 60 topographic concrete landmarks were placed in 1962. In 2012, only 16 landmarks were measured (for two landmarks, their status is unknown). Based on the measurements made on the landmarks, changes from the land - sea interface for 50 years have been estimated. This way, two zones with accretion and erosion were analyzed. The accretion phenomenon is for 25 km of shoreline length with a maximum value of 250 m for CSA 28/1962. Erosion processes occur for about 95 km of shoreline length, with an evaluated value over 600 m for the CSA 50/62 transect. Of the 115 km of shoreline studied during 1962 - 2012, coastal erosion was prevalent and was determined on about four times greater seashore length than the accretion phenomenon.
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