摘要
本文主要阐述珠江流域山地灾害中的一种类型──泥石流。泥石流的分布主要在云贵两省山区及广西的桂北、桂东南等山地的多雨区。泥石流的种类较多，区域特征十分明显，具有暴发突然、历时短、来势猛等特点，常与特大暴雨山洪相伴生，灾害甚为严重。根据调查统计，泥石流有不断加剧的趋势，应积极采取防治对策："以防为主，防治结合。"
In thes paper, a kind of disaster in hill-area in Pearl River Valley, debris flow, is described. It mainly occur in the hill-areas with much rain fall in Yunnan and Guizhou Provinces, as well as the north and southeast parts of Guangxi Region. There are many types of debris flow, with very obvious regional characteristics. It comes suddenly, violently and has a short time period, Often accompanies with major rain storm and freshet, resulting in serious disaster. According to inveshgation data, debris flow has a tendency of aggravation.Prevention and improvement countermeasures should be actively taken, following the principle, 'Prevention first, combining with improvement.
出处
《人民珠江》
1997年第4期13-15,共3页
Pearl River
关键词
泥石流灾害
珠江流域
自然灾害
debris flow disaster characteristics, prevention Anprovement countermeasures Pearl River Valley
