Your feet are taking part in a micro version of a grand coastal process known as longshore transport.

你的脚正经历着一次宏伟的海运过程——沿岸运输，不过是微型版的。

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Using which of the deep water characteristics to compute the breaking wave characteristics and then the longshore transport rate is a problem yet not being clarified.

用什么特征波要素来推求破波要素以计算出沿岸输沙率，尚有一些问题业未澄清。

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Recently, the research on the instability of longshore currents becomes the hotspot. The study on this problem has great effects on the sediment and contamination transport and coastal defences.

沿岸流不稳定运动目前已成为一个研究热点，对于沿岸流不稳定的研究对于近岸泥沙、污染物输移以及海岸养护等都有很重要的意义。

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Longshore transport: movement of material parallel to the shore, also referred to as longshore drift.

UNESCO: L O S S A R Y

Beach downdrift: area of beach towards which material is being moved by longshore transport.

UNESCO: L O S S A R Y

Updrift: direction opposite to the predominant movement of longshore transport.

UNESCO: L O S S A R Y