Sedimentary dynamics of an ephemeral sand bank island (Kachelotplate, German Wadden Sea: An atlas of sedimentary structures

The Kachelotplate is an ephemeral sand bank island which frequently appeared and disappeared since first recorded in nautical chards of the 17th century. Within the stability field of barrier islands it represents the sole occurrence of an ephemeral sand body showing formation of initial Aeolian dun...

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Bibliographic Details
Published inSenckenbergiana maritima Vol. 38; no. 2; pp. 185 - 198
Main Authors Wehrmann, A, Tilch, E
Format Journal Article
LanguageEnglish
Published 01.01.2008
Subjects
Marine
ANE, Germany, Wadden Sea, Juist I
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Summary:The Kachelotplate is an ephemeral sand bank island which frequently appeared and disappeared since first recorded in nautical chards of the 17th century. Within the stability field of barrier islands it represents the sole occurrence of an ephemeral sand body showing formation of initial Aeolian dunes with vegetation cover. Due to its exposed position the Kachelotplate complex is strongly affected by high hydrodynamic impact of storm surges occurring several times a year. This results in sedimentary dynamics preventing the development of a stable, storm resistant dune belt which would be necessary for the evolution of a barrier island. Nevertheless, most of the sedimentary/structural units of the Kachelotplate are known as typical elements of the adjacent barrier islands. These finding suggest that this ephemeral sand bank island my reflect the missing .link in the well established Barckhausen model of barrier island evolution.
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ISSN:0080-889X