Additional sedimentation occurred until a subduction zone formed off the coast .

直至一个潜没带在距离海岸处形成前，额外的沉积作用一直存在。

These ratios indirectly measure the amount of water locked up in glacial ice sheets at the time of sedimentation .

这些比值可以间接测量沉积过程中锁定在冰川冰层内的水量。

Human waste is channelled into a septic tank and undergoes an initial step of sedimentation and anaerobic digestion .

人体排泄物引排到化粪池后先要经过沉降和厌氧分解的过程。

Repeated aerial surveys over the coming years will also give the researchers insight into how vegetation recovers from fires , how the beetles affect this process , how erosion and sedimentation affect the region 's water resources , and whether fire creates opportunities for new species to invade .

在今后一些年中不断进行的空中观测也将让研究人员深入了解植物在火焚后的恢复状况、这类甲虫会如何影响这一恢复过程、侵蚀与沉积现象会如何影响地区的水资源以及火灾是否为新物种进入创造了机会。

Du yun , a geologist with the institute of geodesy and geophysics at the china academy of sciences , has warned that the diversion of a third of the water in the danjiangkou reservoir will raise the risk of pollution , sedimentation and flooding on the han river .

中科院地质与地球物理研究所的地质学家杜云（音）已经发出警告，从丹江口水库引出三分之一的水量，将增加汉江污染、泥沙沉积和洪水的风险。