当挖方位于天然地下水面以下时或有地下水流经时，排水就成为一个主要的工序。
Dewatering becomes a major operation when the excavation lies below the natural water table and intercepts the groundwater flow.
根据土水特征曲线可以确定非饱和土的强度、体应变和渗透系数，甚至可以确定地下水面以上水份分布。
Strength, volumetric strain and permeability coefficient, and even moisture-distribution above ground water surface can be determined by the soil-water characteristic curve.
为掌握滨海地带无压含水层中的海水楔因地下水位升降及抽水引起的移动规律，采用室内实验的方法，考察了海水楔在不同的水面坡度和抽水位置下的移动特性。
This paper takes as its target at exploring the regularities of the seawater wedge encroachment and attacking influence on the coastal line groundwater level change through laboratory experiments.
应用MODFLOW软件进行数值分析，给出特征点处地下水位随时间的变化规律，并提出现状封闭率条件下的适宜水面率。
Through numerical simulation using Software MODFLOW, the temporal change rules of groundwater table at characteristic spots are educed, and feasible area ratio of water surface is put forward.
鄂尔多斯盆地周边岩溶分布区由22个汇水面积不等的岩溶地下水子系统组成。
The karst groundwater system in Ordos basin consists of 22 sub-systems with various catchment sizes.
鄂尔多斯盆地周边岩溶分布区由22个汇水面积不等的岩溶地下水子系统组成。
The karst groundwater system in Ordos basin consists of 22 sub-systems with various catchment sizes.
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