overyear

Using flow sediment laden formula set by Hanqiwei and overyear runoff,sediment data,the sediment retaining prediction of Manwan reservoir is carried out.

利用韩其为[1]水流挟沙力公式以及戛旧站多年径流、泥沙资料,进行了漫湾水库拦沙预测分析。

Based on the quality data of overyear water table and groundwater, the research studied the dynamic variation of water table and quality of groundwater.

摘要本文总结银川地区地下水监测点多年水位和水质资料基础上，研究地下水水位动态变和水质随时间变。