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This paper presents a research which consists in measuring potential energy which be obtained on the surface of water in motion and showing the phenomenon of пїЅwavesпїЅ monitoring in the Black Sea basin. For this were measured, processed and analyzed the amplitude of the waves, the frequency and the waves direction, more than 12 Mm shore, isobath of 50 m, to the coastal zone. There are described techniques and measurement accuracy durring one year. Also, are presented monitoring and processing data with graphycal...

The most important problems with a negative impact for Romanian coast, the erosion phenomen, are given by the numerous conflicts between the development of various economic activities and it is necessary to implement a system for preventing the further deterioration of shoreline. Coastal protection systems can be represented by linear structures perpendicular to the shore, called groynes. The groynes trapping sand on the upstream side and in this way, protect the coast behind the sand filet. The protection depends...