File:Schwemmkegel (Wangerooge).jpg

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Captions

Captions

An alluvial fan created by slowly flowing sea-water at low-tide on the island of Wangerooge (Germany)

Summary

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Description
Deutsch: Bei Ebbe fließt hier Wasser vom oberen Bereich des Bildes nach unten. Dort wo das auf der Sandoberfläche fließende Wasser auf das stehende Wasser eine großen Gezeitenpfütze trifft, sinkt plötzlich die Fließgeschwindigkeit. Zuerst fallen damit die schwere Sandkörner auf den Boden, die leichteren Muschelschalen werden noch etwas weiter transportiert.

In der Geologie spricht man von einem sogenannten Schwemmkegel. Sie treten auch in Gebirgen oder als gigantische Flussdeltas auf. In Sedimenten haben sie zum Teil Jahrmillionen alte Spuren hinterlassen.
Date
Source Own work
Author Rhetos

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I, the copyright holder of this work, hereby publish it under the following license:
Creative Commons CC-Zero This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication.
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current17:06, 24 July 2022Thumbnail for version as of 17:06, 24 July 20221,200 × 674 (846 KB)Rhetos (talk | contribs)Uploaded own work with UploadWizard

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