DYNAMICAL STEADINESS OF SANDY BEACHES SIZES IN THE BLACK SEA COASTAL ZONE
Journal Title: Вісник Одеського національного університету. Географічні та геологічні науки - Year 2014, Vol 19, Issue 1
Abstract
Sandy beaches are representing primary accumulative shore forms within a surf impact site in coastal zone of a Seas. Usual beaches was made up by drifts and its are most dynamic accumulative forms. They are changing during every storm, they can have expansion and diminution in environment that were formed during past centuries. During past decades began exact instrumental measurements of sandy beaches on natural sites. As a result, various calculative linear and volumetrical beach values were discovered.Sandy beaches are significant recreational resource and mean of natural defence of native shores against wave abrasion. It is basic state indicator of the coastal zone nature features and source of sand and gravel sediments for building usage. In natural coastal condition of the Black Sea shoreline deformation constitute ±47 m maximal along bars and spits and along active cliffs up to ±23 m during decades on the stationary sites. During long time in most causes vertical stormy deformations of a beach surfaces can be ≤ 2,8 m on accumulative coastal relief forms, and along abrasive slopes its limited by thickness of beach stratum sands. On every coastal sector with resemble physical-geographical sandy beaches to-wards gravitate by average linear and volumetric sizes, in spite of stormy values sparseness. Within all of the Black Sea sandy beaches are developing in condition of acute drift deficit.
Authors and Affiliations
G. V. Vykhovanets, A. B. Murkalov, A. A. Stoyan
Keywords
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