siltation

基本解释

Downstream water flow slow, siltation of the alluvial soil more and more, forming a great many of the Delta islands.
下游水流缓慢，淤积的冲积土愈来愈多，形成一个有许多岛屿的巨大三角洲。
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Local issues range frompollution and siltation due to coastal runoff to an increase in the harvest ofsome seaweeds, fueled by the demand for natural food.
局部问题包括从由海岸径流引起的污染及淤积到因对天然食品的强烈需求而引发对海草采捞的增大。
On a regional scale, TEEB estimates that the rainforest’s role in avoiding siltation in hydro-power reservoirs is worth anything from $60m to $600m a year.
仅仅是一个区域，TEEB估计雨林有效防止水电站泥沙淤积的价值就至少每年可达6亿到60亿美元。

the process of blocking something with sand or soil; the sand or soil that blocks something

淤积
This scheme may also serve as a reference for de-siltation of other river shaped reservoirs.
笔者认为三峡水库挖泥减淤途径基本可行,值得深入研究。这一减淤方式也可为其他河道型水库淤积控制提供参考。
回淤

淤积
Erosion at some portion of meandered river banks and siltation at some foreshore areas.
7.在某些弯曲的河道部分有腐蚀现象而且浅湾部分也有些淤积。
地球科学
淤进
泥沙层；粉沙层
淤积