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多年径流、泥沙资料,进行了漫湾水库的拦沙预测分析。

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

摘要本文总结银川区下水监测点的多年水位和水质资料的基础上，下水水位的动态变化和水质随时间的变化。