论文部分内容阅读
宁夏南部为我国严重缺水地区之一。地下水普遍苦咸化,严重影响该区人民的生存条件和经济发展。地下水苦咸化原因是石炭系—第四系岩层含盐量高;地势低洼;降雨量小,蒸发强烈;封闭型地质构造等
Southern Ningxia is one of the areas with severe water shortage in our country. Groundwater generally bitter and salty, seriously affecting the people’s living conditions and economic development. Groundwater salinization due to the Carboniferous - Quaternary strata with high salinity; low lying; rainfall is small, strong evaporation; closed geological structure