关键词: 沉积灾害, 滑坡, 泥石流, Sabo Works, 减灾

Abstract: Sediment related disasters,such as debris flow,landslide,slope failure etc.,always cause tremendous damages to lives and properties of people,deteriorate living environments and block the economic development.How to prevent such destructive sediment disasters and mitigate the damages is still a big problem facing the human beings.Japan is a country suffering many kinds of natural disasters,and amongst them,sediment related disasters occupy lots of the losing.From long time ago,Japanese government began to take measures against sediment related disasters,controlling erosion and sediment.Today,these elaborate and costly works are called Sabo works.Sabo is an effort to prevent sediment related disasters,realize the symbiosis between the nature and humans and renew vitality of the area.Due to different purposes,there are many kinds of Sabo works,and they are practically effective.For example,the 2004 Niigata Earthquake caused serious sediment related disasters,but by taking the correct countermeasures,this region has been renewed same as before the earthquake.Almost the same as Japan,China is also a place where many natural disasters are overwhelming,such as the big Wenchuan earthquake on 12 May,2008 which caused numerous landslides and collapse and damaged this region severely.Now we are facing the reconstruction and have to solve many problems relating to the sediment disaster.For this purpose,this paper introduces applications of SABO works in Japan.Through this,the author sincerely hopes it would be useful for the reconstruction works in the damaged area,and it would be helpful for sediment related disaster mitigation in China.

Key words: sediment related disaster, landslide, debris flow, Sabo works, mitigation