groundwater

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

其下部钙质砂（砾）岩在地下下产生溶蚀现象。

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

量的增加导致了地下贮备迅速枯竭。

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

因过量抽取地下，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和地理统计学的理论、方法对所取观测井地下位降幅数据进行布特征析。

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、特定的地质、地形条件为地下砷异常的原因。

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地区地下监测点的多年位和质资料的基础上，研究地下位的动态变化和质随时的变化。

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.

过度抽取地下做为饮和来灌溉在许多地区已经使位下降了几十米，迫使人们使质量较差的来做为饮。