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

因过量抽取地下水，造成覆盖型岩溶塌陷灾害。

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

用水量的增加导致了地下水贮备迅速枯竭。

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

其下部钙质砂（砾）岩地下水作用下产生溶蚀。

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

红色碎屑岩建造中有层间氧化带和“泥-砂-泥”结构发育，并有良好的地下水承压和循体制，是寻找可地浸砂岩型铀矿的有利地区。

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，可以看出以境为主的富含有机质的湖沼相沉积境、特定的地质、地形条件为地下水砷异常的因。

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

摘要本文总结银川地区地下水监测点的多年水位和水质资料的基础上，研究地下水水位的动态变化和水质随时间的变化。

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.

岩溶斜坡和岩溶洼地为地表水汇集区及地下水排泄区，岩溶作用相对较弱，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.

过度抽取地下水做为饮用水和用来灌溉许多地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.

结构抗浮验算与地下水的性状、压力和浮力、下水位变化的影响因素、外补水有关。

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

因过量抽取地下，造成覆盖型岩溶塌陷灾害。

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。

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。

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

在红色碎屑岩建造中有层间氧化带和“泥-砂-泥”结构发育，并有良好的地下承压和循环体制，是寻找可地浸砂岩型铀矿的有利地区。

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有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.

岩溶斜坡和岩溶洼地为地表汇集区及地下排泄区，岩溶相对较弱，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。

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.

结构抗浮验算与地下的性状、压力和浮力、下位变化的影响因素、外补有关。

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

因过量抽取地水，造成覆盖型岩溶塌陷灾害。

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

用水量增加导致了地水贮备迅速枯竭。

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

其部钙质砂（砾）岩在地水作用溶蚀现象。

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

在红色碎屑岩建造中有层间氧化带和“泥-砂-泥”结构发育，并有良好地水承压和循环体制，是寻找可地浸砂岩型铀矿有利地区。

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和地理统计学理论、方法对所取观测井地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含有机质湖沼相沉积环境、特定地质、地形条件为地水砷异常原因。

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地区地水监测点多年水位和水质资料基础上，研究地水水位动态变化和水质随时间变化。

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.

岩溶斜坡和岩溶洼地为地表水汇集区及地水排泄区，岩溶作用相对较弱，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.

过度抽取地水做为饮用水和用来灌溉在许多地区已经使水位降了几十米，迫使人们使用质量较差水来做为饮水。

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.

结构抗浮验算与地水性状、压力和浮力、水位变化影响因素、外补水有关。

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

因过量抽取地下，造成覆盖型岩溶塌陷灾害。

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

用量的增加导致了地下贮备迅速枯竭。

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

其下部钙质砂（砾）岩在地下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.

在红色碎屑岩建造中有层间氧化带“泥-砂-泥”结构发育，并有良好的地下承压循环体制，是寻找可地浸砂岩型铀矿的有利地区。

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地理统计学的理论、方法对所取观测井地下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质资料的基础上，研究地下的动态变化质随时间的变化。

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.

岩溶斜坡岩溶洼地为地表汇集区及地下排泄区，岩溶作用相对较弱，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.

过度抽取地下做为饮用用来灌溉在许多地区已经使下降了几十米，迫使人们使用质量较差的来做为饮。

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.

结构抗浮验算与地下的性状、压力浮力、下变化的影响因素、外补有关。

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。

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

因过量抽取下水，造成覆盖型岩溶塌陷灾害。

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.

其下部钙质砂（砾）岩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.

在红色碎屑岩建造中有层间氧化带和“泥-砂-泥”结构发育，并有良好的下水承压和循环体制，是寻浸砂岩型铀矿的有利区。

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

基于GIS和学的论、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，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和水质资料的基础上，研究下水水位的动态变化和水质随时间的变化。

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.

岩溶斜坡和岩溶洼为表水汇集区及下水排泄区，岩溶作用相对较弱，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、压力和浮力、下水位变化的影响因素、外补水有关。

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.

其下部钙质砂（砾）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.

红色碎屑建造中有层间氧化带和“泥-砂-泥”结构发育，并有良好下水承压和循环体制，是寻找可浸砂型铀矿有利区。

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机质相沉积环境、特定质、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.

摘要本文总结银川区下水监测点多年水位和水质资料基础上，研究下水水位动态变化和水质随时间变化。

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.

溶斜坡和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和用来灌溉许多区已经使水位下降了几十米，迫使人们使用质量较差水来做为饮水。

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性状、压力和浮力、下水位变化影响因素、外补水有关。

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

因过量抽取地水，造成覆盖型岩溶塌陷灾害。

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

用水量增加导致了地水贮备迅速枯竭。

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

其部钙质砂（砾）岩在地水作用溶蚀现象。

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

在红色碎屑岩建造中有层间氧化带和“泥-砂-泥”结构发育，并有良好地水承压和循环体制，是寻找可地浸砂岩型铀矿有利地区。

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和地理统计学理论、方法对所取观测井地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含有机质湖沼相沉积环境、特定地质、地形条件为地水砷异常原因。

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地区地水监测点多年水位和水质资料基础上，研究地水水位动态变化和水质随时间变化。

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.

岩溶斜坡和岩溶洼地为地表水汇集区及地水排泄区，岩溶作用相对较弱，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.

过度抽取地水做为饮用水和用来灌溉在许多地区已经使水位降了几十米，迫使人们使用质量较差水来做为饮水。

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.

结构抗浮验算与地水性状、压力和浮力、水位变化影响因素、外补水有关。

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

因过量抽取水，造成覆盖型岩溶塌陷灾害。

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

用水量增加导致了水贮备迅速枯竭。

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

其部钙砂（砾）岩水作用产生溶蚀现象。

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

红色碎屑岩建造中有层间氧化带和“泥-砂-泥”结构发育，并有良好水承压和循环体制，是寻找可浸砂岩型铀矿有利区。

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

基于GIS和理统计学理论、方法对所取观测井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机沼相沉积环境、特定、形条件为水砷异常原因。

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

摘要本文总结银川区水监测点多年水位和水资料基础上，研究水水位动态变化和水随时间变化。

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.

岩溶斜坡和岩溶洼为表水汇集区及水排泄区，岩溶作用相对较弱，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.

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

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.

结构抗浮验算与水性状、压力和浮力、水位变化影响因素、外补水有关。