groundwater

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

其下部钙砂（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.

用水量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.

因过量抽取下水，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.

基于GIS和理统计学理论、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富含有湖沼相沉积环境、特定、形条件为下水砷异常原因。

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多年水位和水资料基础上，研究下水水位动态变化和水随时间变化。

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.

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