地下水

Due to overpumping groundwater, hazard of mantled karst collapse may often take place there.

因过量抽取下水，造成覆盖型溶塌陷灾害。

Increased consumption of water has led to rapid depletion of groundwater reserves.

用水量的增加导致了下水贮备迅速枯竭。

The understratum, calcareous sandrock and conglomerate rock, generate dissolution of groundwater.

其下部钙质（砾）在下水作用下产生溶蚀现象。

Interlayer oxidized zone and argillite-sisandstone-argillite sequence occur in red clastic rock formation with ideal artesian and circulating system of ground water.

在红色碎屑建造中有层间氧化带“泥--泥”结构发育，并有良好的下水承压循环体制，是寻找可型铀矿的有利区。

Abstract: In the paper, by integrative using GIS and Geostatistics, we analyzed the special distribution characteristic of groundwater downrange in arid area.

基GIS理统计学的理论、方法对所取观测井下水位降幅数据进行空间分布特征分析。

We propose that As anomalism in groundwater possibly resulted from the combined effects of organic matter-enriched lacustrine sediments, geological setting and topographical characteristics.

通过研究，可以看出以还原环境为主的富含有机质的湖沼相沉积环境、特定的质、形条件为下水砷异常的原因。

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

摘要本文在总结银川区下水监测点的多年水位水质资料的基础上，研究下水水位的动态变化水质随时间的变化。

The karst depression belongs to the accumulative area of surface water and subdrainage area of subsurface water, the karstification is relatively week, and reservoirs are undeveloped.

溶斜坡溶洼为表水汇集区及下水排泄区，溶作用相对较弱，储层不发育。

Overpumping groundwater for drinking water and irrigation has caused water levels to decline by tens of metres in many regions, forcing people to use low-quality water for drinking.

过度抽取下水做为饮用水用来灌溉在许多区已经使水位下降了几十米，迫使人们使用质量较差的水来做为饮水。

The resistance to float relates to the attributes and conditions of the ground water, the pressure and floatage of water, the change of water level and the sudden supplement of water.

结构抗浮验算与下水的性状、压力浮力、下水位变化的影响因素、外补水有关。