Essential aspects of beach erosion - Lessons from devastation of Ichinomiya coast, Japan

Satoquo Seino, Takaaki Uda, Yasuro Ohtani, Yasuhiro Ohki

Research output: Contribution to journalConference article

3 Citations (Scopus)

Abstract

The fundamental issues of the beach erosion including the difficulty in social and comprehensive adjustments of the beach erosion were discussed through a case study, taking the Ichinomiya coast on south Kujukuri Beach as an example. On this coast, sand supply from the sea cliffs markedly decreased as a result of the preventive measures against cliff erosion on upcoast, resulting in the downcoast erosion. Artificial headlands have been constructed since the 1990 as a measure against shoreline recession, but this caused further downcoast expansion of the beach erosion. Finally, it became difficult to escape from a vicious cycle of seawall construction - downcoast erosion - seawall construction - downcoast erosion, permitting further expansion of the erosion area. Such difficulties were analyzed.

Original languageEnglish
Pages (from-to)446-453
Number of pages8
JournalProcedia Engineering
Volume116
Issue number1
DOIs
Publication statusPublished - Jan 1 2015
Event5th International Conference on Asian and Pacific Coasts, APAC 2009 - Singapore, Singapore
Duration: Oct 13 2009Oct 16 2009

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Beaches
Coastal zones
Erosion
Retaining walls
Sand

All Science Journal Classification (ASJC) codes

  • Engineering(all)

Cite this

Essential aspects of beach erosion - Lessons from devastation of Ichinomiya coast, Japan. / Seino, Satoquo; Uda, Takaaki; Ohtani, Yasuro; Ohki, Yasuhiro.

In: Procedia Engineering, Vol. 116, No. 1, 01.01.2015, p. 446-453.

Research output: Contribution to journalConference article

Seino, Satoquo ; Uda, Takaaki ; Ohtani, Yasuro ; Ohki, Yasuhiro. / Essential aspects of beach erosion - Lessons from devastation of Ichinomiya coast, Japan. In: Procedia Engineering. 2015 ; Vol. 116, No. 1. pp. 446-453.
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