沙丘砂由分选、磨圆好的石英砂组成，含量大于95%，具单众数粒度分布，无悬移质。
The dune sands are very well sorted and rounded pure quartz sand(>95%) with single mode grain distribution and without suspension materials.
它是全球最大的砂美国沙丘领域之一。
It is one of the largest sand dune fields in the United States.
本文着重论述了在砂质海岸演变研究中，海滩状态，海滩地下水动力，砂坝动力学，海岸沙丘，近岸带过程等方面研究进展。
The paper reviews the progress in the researches on beach states, beach groundwater dynamics, sand bar dynamics, coastal dunes and nearshore processes in the sandy coast.
本文着重论述了在砂质海岸演变研究中，海滩状态，海滩地下水动力，砂坝动力学，海岸沙丘，近岸带过程等方面研究进展。
The paper reviews the progress in the researches on beach states, beach groundwater dynamics, sand bar dynamics, coastal dunes and nearshore processes in the sandy coast.
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