水流侵蚀

地表坡度与薄层水流侵蚀关系的研究

Study on the Relationship between Land Slope and Sheet Flow Erosion

黄土高原的高含沙水流侵蚀研究

Erosion and Sediment Yield of Hyperconcentrated Flows on Loess Plateau

雨滴击溅在薄层水流侵蚀中的作用

The Action of Raindrop Splash on Sheet Flow Erosion

黄土丘陵区坡面薄层水流侵蚀动力机制实验研究

Experimental study on soil erosion dynamic mechanism of slope flow in loess hilly region

坡面薄层水流侵蚀试验研究及土壤抗冲性评价

Experimental research on sheet flow erosion of loessial slope and evaluation on soil anti-scourability

坡长是影响坡面径流和水流侵蚀产沙的重要地貌因素之一。

Slope length is one of the important geomorphologic factors affecting the surface runoff and sediment yield .

该文从薄层水流侵蚀的动力入手，分别研究了薄层水流侵蚀动力及雨滴击溅与薄层水流动力共同作用下地表坡度与薄层水流侵蚀量的关系。

The relationship between land slope and sheet flow erosion was studied on the base of erosion force of sheet flow .

地质构造、水流侵蚀、岩溶作用是百里峡地质遗迹景观成因的主导因素，尤其是与褶皱构造变形关系极为密切。

Geological structure , stream erosion and karstification are dominant in the genesis of Baili Gorge Geopark , especially drape structure distortion .

黄土高原的土壤侵蚀可概括为三种类型：（1）水流侵蚀；（2）重力侵蚀；

Three major erosion types might be summarized as follows : ( 1 ) Water Flow Erosion ,( 2 ) Gravitational Erosion ,( 3 ) Wind-force Erosion .

提出基于能量力学机理的3个土壤水力侵蚀的新理论，即侵蚀平衡理论、最大梯度理论和水流侵蚀力理论。

Three new theories of soil water erosion based on energy mechanics , namely , the erosion equilibrium theory , the most gradient theory and stream erosion mechanics theory are put forward .

也许不会是明天，但几十年之后，美国会为它的政策偏移感到后悔，就像水流侵蚀桥梁的钢架一样，这一政策偏移正缓慢但确定无疑地破坏着它的科研基础。

Not tomorrow , perhaps , but a few decades form now , the U.S.may regret the policy drift that is eroding its research base as slowly and as surely as water rusts the steel girders of a bridge .

侵蚀泥沙中＜0.001mm的粘粒含量随细沟水流流速和细沟侵蚀产沙量的增加而呈增大趋势。

0.05-0.001 mm particle size ( silt ) decreases . Meanwhile , clay content in erosive sediment increases as increase of ru flow velocity and nil sediment delivery .

坡面薄层水流流动型态与侵蚀搬运方式的研究

Research on the Laminar Flow type and Erosion Transportation Manners on the Slope Surface

较高能量的海浪、风暴和近岸水流作用是海岸侵蚀的主要动力因素；

The action of waves with high energy , storms and near-shore currents are the main dynamical factors for erosion in coastal zones .

高含沙水流搬运与重力侵蚀之间存在着很强的耦合关系，这是黄土高原高强度侵蚀产沙过程形成的重要因素。

These exists a strong coupling relation between hyperconcentrated flow transport and gravitational erosion , which ensures a rapid removal of mass wasted materials .

模型还考虑了沟床形态、水流动力、土壤侵蚀与泥沙沉积形成相互依赖的反馈环，具有表达细沟的空间变化和时间演变的能力。

The model takes into accounts of the interdependent feed back loop of rill morphology , hydrodynamics , soil erosion , and sediment deposition .

结晶体与混凝土结构结合成封闭的防水层整体，堵截来自任何方向的水流及其它液体侵蚀。

The crystal and concrete combine into the closed water-proof layer to block the erode of water flow and other liquids from all directions .

小流域水力侵蚀模拟应满足的基本比尺关系为几何相似、降雨相似、水流运动相似，侵蚀产沙运动相似、床面变形相似及土壤水运动相似等。

The basic similarity scale expressions are the ones of the geometric , rainfall , flow , erosion sediment transport , bed deformation and soil water movement similarity etc.

采用人工模拟降雨方法，首次对发生在坡面上部及细沟之间的薄层水流流动型态与侵蚀搬运方式进行试验研究。

The experimental research on the Laminar flow type and erosion Transportation manner occured between the upper part of slope surface and rills was conducted by means of rainfall simulation .

当坡面细沟水流平均深度小于6mm时，在细沟内同时进行水流侵蚀和降雨溅蚀的计算。

Both runoff erosion and splash erosion in rills is calculated at the same time when its runoff is less then 6 mm .