Study on the Forming condition of human debris flows and its prevention

More and more debris flows were caused by human activities. Firstly its definition of human debris flows was set up, the correlation between the two objects was analyzed. It think that human activities destroy the ecological environment, so t hat had effect on the Forming condition and the development of the human debris flows through the following three ways: changing the natural terrain, providing loose solid materials and hydrodynamic. In the end some prevention measures were put forward on the basis of the control status of the debris flows.