首页> 外文会议>International Conference on Coastal Dynamics >VIDEO DERIVED OBSERVATIONS OF ESTUARINE SAND BANK MIGRATION, TEIGNMOUTH UK
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VIDEO DERIVED OBSERVATIONS OF ESTUARINE SAND BANK MIGRATION, TEIGNMOUTH UK

机译:英国TEIGNMOUTH的Estuarine沙库迁移的视频派生观察

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Teignmouth is a busy commercial and leisure port situated at the mouth of the river Teign, in the south west of the UK. This study describes quantitatively the evolution of a sand bar system present at the Teignmouth estuary mouth. This is based on 5 years of observation utilising a video monitoring system supplemented by bathymetric surveys. Observations suggest that previous models of the sand bars behaviour at Teignmouth describing cyclical dynamics of the sand bar system are no longer completely valid. Instead phases of the cyclical dynamics are observed to occur with increased frequency. There is a strong suggestion that this deviation in behaviour is due in part to the anthropogenic influence of a dredging regime which maintains an adequate navigation channel for shipping access to the inner estuary.
机译:廷茅斯(Teignmouth)是繁忙的商业和休闲港口,位于英国西南部的廷恩河(Teign)河口处。这项研究定量地描述了在廷茅斯河口处存在的沙洲系统的演化。这是基于5年的观察,利用视频监控系统补充了测深调查。观察结果表明,以前在Teignmouth进行的沙洲行为模型描述了沙洲系统的周期性动力学不再完全有效。而是观察到周期性动力学的相位以增加的频率发生。有强烈的建议认为,这种行为上的偏差部分是由于疏an制度的人为影响所致,疏maintain制度保持了足够的航行通道,可将货物运输到内河口。

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