Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering)
Online ISSN : 1883-8944
Print ISSN : 1884-2399
ISSN-L : 1883-8944
Paper (In Japanese)
Sandy beach changes by global warming on the analogy of changes of beach profile and sediment grain size caused by powerful storm
Shin-ichi YANAGISHIMA
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2013 Volume 69 Issue 2 Pages I_551-I_555

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Abstract

Based on the observed data for 27 years from 1986 at Hazaki Oceanographical Research Station, the changes of cross-shore profile and the mean sediment diameter at beach surface by huge storms have been extracted. As results, the longshore bar disappears by storm and high waves come to reach the shore. Therefore, the newly formed bar comes to be eroded easily and fine sand cannot stay near the shoreline. On the assumption that the storm is made huge by global warming, it is expected that the former beach slope becomes steep and the grain diameter near the shoreline roughens.

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© 2013 by Japan Society of Civil Engineers
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