摘要
本文列举了阿拉沟地区泥石流的主要实例和活动状况,根据泥石流危害程度,划分了泥石流弱危害区、中度危害区和强危害区,揭示了泥石流危害的主要方式,讨论了造成泥石流危害的自然和人为的原因,指出山区的开发和城镇建设应重视自然环境,尤其是灾害环境的调查分析.
The main examples of debris flows harmfulness and their active states over the yearsarc given in Alagou Basin in this paper. three districts is devided based on the degree of de-bris harm fulncss,which are weakly harmful,inter mediately harmful and strongly harmfuldistrict.Thus the main types of debris harmfulness are delineated, and the natual factorsand human factors which affect the debris harmfulness are duscussed. At last the authorspoint out that the investigation and analysis of natural environment, especially harmful en-vironment must be payed great attention to in the esploratoin of mountainous district andthe construction of city and town. This can avoid the unnecessary loses because ofinsufficient understanding of environment.
出处
《干旱区地理》
CSCD
北大核心
1991年第S1期84-89,共6页
Arid Land Geography
