海岸工学論文集
Online ISSN : 1884-8222
Print ISSN : 0916-7897
ISSN-L : 0916-7897
ビーチカスプにおける粒径分級の数値計算
清水 達也小林 昭男宇多 高明熊田 貴之野志 保仁芹沢 真澄
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2007 年 54 巻 p. 691-695

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Topography of beach cusps and grain size sorting was observed at four coasts, as well as the observation of a backwash flow in a bay of a cusp. A movement of sea water flowing obliquely from the apex to the bay was observed, resulting in the generation of a backwash flow. On the basis of this observation, two pairs of sink and source were assumed and three-dimensional cusp topography was predicted, using the contour-line-change model considering the effect of grain size change by Kumada et al.(2005). The formation of a cusp and associated accumulation of coarse materials around the apex were well predicted.

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© 社団法人 土木学会
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