groundwater

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

其下部钙质砂（砾）岩在下水作用下产生溶蚀现象。

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

用水的增加导致了下水贮备迅速枯竭。

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

抽取下水，造成覆型岩溶塌陷灾害。

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。

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。

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.

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，迫使人们使用质较差的水来做为饮水。