海岸工学論文集
Online ISSN : 1884-8222
Print ISSN : 0916-7897
ISSN-L : 0916-7897
河口干潟の平衡粒度分布の推定と底生動物の生息環境評価
藤田 真人中野 晋安芸 浩資安井 勝志
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2007 年 54 巻 p. 1171-1175

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The aims of this study are the development of methods to evaluate an equilibrium grain size distribution of sediment in a large river mouth and to apply it to a habitat assessment by the HSI model for a fiddler crab Uca arcuata which inhabits on a tidal flat. It was assumed that the sand particles which correspond to the critical shear stress under waves deposit and form a grain size distribution depending on the frequency of disturbance of waves in this model. The particle size distributions which estimated based on a wave statistical data well coincided with field survey data and approached wide areas of environment assessment.

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