黄河中游区高原地质环境对黄河泥沙的影响

Effects of Plateau Geological Environment on Sediment of the Middle Yellow River

从工程地质角度,通过对黄河中游高原区的地形地貌、地质构造、岩性特征以及水文地质条件等状况的分析,研究了黄土高原黄土堆积的力学性质、结构特征和侵蚀的基本原因。黄河中游地区河流泥沙骤增的原因是多方面的,既有人类对环境的干扰破坏,更是因为该区复杂的地质构造、特殊的岩土层特征和干旱的气候条件综合作用的结果。

It studies the mechanics nature of loess accumulation, structure features and basic reason of erosion of the plateau located on the middle Yellow River from engineering geologic point of view and based on the analysis of topography, landforms, geological structure, lithologic feature and hydrogeologic condition of the plateau. The sharp increase of sediment at the middle reaches of the Yellow River has various reasons. It not only disturbed and destroyed environment by humanity, but also mostly the results of a comprehensive action of complicated geological structure, particular rock stratum behavior and dry climate conditions.