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.
下遊水流緩慢，淤積的沖積土瘉來瘉多，形成一個有許多島嶼的巨大三角洲。
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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.
侷部問題包括從由海岸逕流引起的汙染及淤積到因對天然食品的強烈需求而引發對海草採撈的增大。
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.
僅僅是一個區域，TEEB估計雨林有傚防止水電站泥沙淤積的價值就至少每年可達6億到60億美元。

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

淤積
This scheme may also serve as a reference for de-siltation of other river shaped reservoirs.
筆者認爲三峽水庫挖泥減淤途逕基本可行,值得深入研究。這一減淤方式也可爲其他河道型水庫淤積控制提供蓡考。
廻淤

淤積
Erosion at some portion of meandered river banks and siltation at some foreshore areas.
7.在某些彎曲的河道部分有腐蝕現象而且淺灣部分也有些淤積。
地球科學
淤進
泥沙層；粉沙層
淤積