摘要:
鄂尔多斯盆地矿产资源丰富,生态环境脆弱,地下水资源分布不均,水质复杂。在研究盆地周边岩溶区岩溶发育规律,地下水富集规律,地下水的补给、径流、排泄条件的基础上,将周边岩溶区划分为9个岩溶水系统,进一步划分为25个岩溶水子系统。白垩系自流盆地初步揭示了深部赋存有丰富的地下水,地下水受岩相古地理、地下水补径排条件等控制,水质差异较大。总结了东部黄土覆盖区的地下水类型及开发利用模式
关键词:
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鄂尔多斯
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盆地
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岩溶水
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白垩系
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地下水
Abstract:
Mineral resources are rich in the Ordos basin where bio-environment is fragile, groundwater distribution is uneven and hydrochemistry is complicated.Based on the Karst development pattern,groundwater enrichment pattern,and recharge,runoff and discharge conditions of groundwater,the Karst areas distributed in the peripheral area of the basin is divided into 9 systems which are further divided into 25 subsystems.Abundant deep ground-water,with great variation on groundwater quality,has been found in the Cretaceous arte-sian basin and groundwater is controlled by lithofacies-paleo-geography and recharge,runoff and discharge conditions of groundwater and etc.Groundwater types and development patterns are summarized over the areas covered by loess in the eastpart of the Ordos Basin.
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