【摘要】 太行山区是我国北方主要泥石流发育区之一 ,以暴雨型泥石流为主。崩塌、滑坡与洪水的伴生及向泥石流的快速转化是其主要特征。 1999年 8月 14日造成 2 6人死亡的下瓦岔泥石流是其一个典型的实例。在现场调查基础上 ,本文力图忠实记录该次泥石流灾害过程 ,建立泥石流个例档案。以利于今后进一步研究区域泥石流发育规律及成灾原因。更多还原

【Abstract】 The Taihang Mountains is one of the main districts of debris flow development in China. On the windward slope of the Taihang Mountains,the type of debris flow belongs to heavy storm type. The main feature of debris flow is that the rock collapse and the landslide translated into debris flow fleetly under the heavy storm. On Aug. 14,1999, the disastrous debris flow developed in the Xiawacha valley, Pingshan county, Hebei Province. It destroyed the Xiawacha village that is located at the mouth of valley and 26 people died. On the basis of field investigation, the authors wanted to record the process of debris flow verily and built the individual record of debris flow. The purpose is to study developing regularity of regional debris flow and put forward the prevention plan finally.更多还原