云南新平2002-08-14特大滑坡泥石流灾害及防治对策

2002-08-14 Large-scale Landslide Debris-flow Hazard in Xinping County and the Prevention Countermeasure

云南新平2002 08 14发生了超过百年一遇的特大滑坡泥石流灾害。这次灾害点多、面广,几乎同时暴发。通过对灾害的实地考察,分析了灾害发生的地质、气象、地貌等方面原因。崩塌滑坡灾害沿哀牢山东坡的高山与中低山交接处分布,而泥石流灾害则沿戛洒江和现刀河的支流沟口分布,这一区域处于红河大断裂范围内。灾害主要是特大暴雨激发所致。针对本区的社会条件和自然条件,提出了防灾、减灾对策,具体分为近期措施和远期措施。

On August 14, 2002, the special large-scale landslide-debrisflow disaster took place in XINPING county, and the disaster is of return period of more than 100 years The disaster region is located in the upstream of Honghe River(upstream of Mekong River) and at eastern Ailao Mountain After investigating the disaster, the cause of landslide-debrisflow's occurrence is analyzed, including Geology, relief, climate, human activities, and so on The main cause to the occurrence is specially heavy rainstorm Through contrasting the 8～14 hazard with other hazards, the countermeasures of controlling hazards have been put forward For the sake of avoiding similar tragedies, hazard-mitigation training and risk regionation must be strengthened 