鄂尔多斯白垩系地下水盆地湖眼的形成及其水文地质意义

    Formation of mud springs in the Cretaceous Ordos groundwater basin and their hydrogeological significance

    • 摘要: 在鄂尔多斯盆地北部沙漠高原区,部分湖盆的边部发育有数量不等的“湖眼”。 “湖眼”是分布在湖盆边部的特殊的泉,通过对湖眼的野外调查和物质成分分析,总结了湖眼的分布、结构、动态变化和物质组成特征。研究结果表明,湖眼泥浆来自湖盆底泥,其水分可来自不同循环深度的地下水;湖眼的动态变化可以反映地下水的循环深度;湖眼的分布和动态变化对于研究地下水的排泄方式具有一定的水文地质意义。

       

      Abstract: “Mud springs” of varying quantity occur at edges of part of lake basins in the desert plateau area in the north of the Ordos basin. Based on field investigation and chemical analyses of mud springs, this paper sums up the distribution, structure, dynamic regime and components of the mud springs. This research shows that: mud springs are a special kind of spring, whose mud comes from bottom mud of lakes and water comes from groundwater at different circulation depths. The dynamic regime of the mud springs reflects different circulation depths of groundwater. The distribution and dynamic regime of mud springs have certain hydrogeological significance for the study of the way of groundwater discharge.

       

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