Mode Shift of Beach Changes Recently Occurring around Detached Breakwaters on Ryuyo Coast
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概要
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The beach topography around the detached breakwaters of the Ryuyo coast located immediately east of the Tenryu River mouth was observed to investigate the beach changes. On the basis of the aerial photographs and bathymetric survey data taken since 2007, beach changes in the area between the detached breakwaters and the river mouth were analyzed. 5 m3 of color sand was placed at the shoreline and subsequent dispersion of the color sand along the shoreline was measured. The detached breakwaters were found to be the solid boundary at present, although eastward longshore sand transport existed in the past, because of decrease in sand supply from the river mouth.
- Japan Society of Civil Engineersの論文
Japan Society of Civil Engineers | 論文
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