Spit Formation in Lake and Bay

by Takaaki Uda, Ministry of Construction, Ibaraki, Japan,
Koji Yamamoto, Ministry of Construction, Ibaraki, Japan,

Document Type: Proceeding Paper

Part of: Coastal Sediments


A technique of superimposing beach profiles, as a method for analyzing the characteristics and deformation process of a sand spit topography, is proposed, and the morphological changes of the sand spit formed in a bay, a lake and a laboratory are analyzed. It is confirmed that despite considerable differences in scale, these spits show similar topographic characteristics and deformation process. This indicates that it is possible to understand the erosion process by analyzing data obtained from lakeshore surveys and a small scale model experiment, instead of conducting large scale field investigations on real coasts.

Subject Headings: Soil deformation | Spits (landform) | Lakes | Bays | Soil analysis | Sand (hydraulic) | Field tests | Coastal processes

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