Causes and counter measures of debris flow disaster in Sichuan Liangshan

This article discusses the Liangshan Prefecture in Sichuan have three very significant conditions for debris flow formed: steep facilitating catchment, the collection content of landform, Rich loose material, short time could be formed lots of water. Then the article emphatically analyzes the formation of continuity and the circulation rainfall situation and influence factors, and choose July 14, 2006 presents the medium debris flow disaster which take Pingchuan Town the local strong rainfall initiates as the example, from circulation situation, strong convective unstable elements, satellite cloud pictures and radar echo image evolution characteristics, studies the formation cause of debris flow disaster weather causes, summarizes weather forecast target which the debris flow disaster defend, presented the application of Doppler radar technology on Local timely tracking and monitoring of heavy precipitation, establish a meteorological disaster monitoring of geological disasters, debris flows, early warning and forecasting defense system countermeasures.