ON THE REGIONAL HYDROLOGIC EFFECT CAUSED BY THE DEVELOPMENT OF WATER RESOURCES AND ITS INFLUENCE ON ECOLOGICAL-ENVIRONMENT IN INLAND ARID AREA
西北内陆平原水资源开发引起的区域水文效应及其对环境的影响

Keywords: Regional hydrologic effect,Decline or rise of groundwater level,Quali-tative deterioration,Desertification,Secondary salinization
区域水文效应,地下水位升降,水质恶化,沙漠化,次生盐渍化

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Abstract:

内陆平原水资源主要的赋存形式是河流-含水层系统。无论是开发利用河水,还是开采地下水,都将引起区域性的水文效应——地下水位大幅度波动、泉水衰竭和水质恶化。在水资源开发条件下,人工绿洲与天然绿洲之间的水源分配是彼长此消的,防止生态环境退化的要义在于:从宏观上合理配置水源,并可靠地预测其可能引起的区域水文效应,防患于未然。

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