小流域山洪灾害及其防御措施

Mountain Torrent Disaster in Small Watershed and Its Defense

研究了小流域山洪灾害及其防御措施,利用文献研究法和综合分析法,分别从我国的地理地貌、山洪灾害造成的历史损失、山洪灾害的特点和危害、山洪灾害发生的诱因及其影响因素、山洪灾害的主要表现形式、山洪灾害防御措施几个方面进行了研究。结果表明:(1)通过研究山洪灾害的特点及危害,分析了山洪灾害发生的诱因及其影响因素,探讨了山洪灾害防御措施,制定了科学合理的预案并认真落实降低山洪灾害的危害;(2)人类的不理智行为导致生态环境破坏是引发山洪灾害的重要因素;(3)小流域综合治理是防御山洪灾害的有效途径。

By using the methods of literature research and comprehensive analysis,this paper studied the mountain torrent disaster in small watershed and its defense from the following aspects： the geographical landscape of China,the historical loss caused by mountain torrent disaster,the characteristics and harm of mountain torrent disaster,the causes of mountain torrent disaster and its influencing factors,the main manifestation patterns of mountain torrent disaster,and the defensive measures of mountain torrent disaster. The results showed that：（1） Formulating and earnestly implementing scientific and rational plan could greatly reduce the harm of mountain torrent disaster;（2） The ecological environmental destruction caused by human some irrational behaviors was one of the important factors triggering mountain torrent disaster;（3） The comprehensive management of small watershed was the effective way to defense against mountain torrent disaster.