摘要
首先论述了长江中游沿岸地区的区域环境基本特征:①以平原为主体的层状地表结构;②亚热带季风气候;③河网密布,湖泊众多;④过渡性的土壤和植被。然后分析了该区洪涝灾害的概况,揭示了洪涝灾害的自然原因与人为影响。
The authors discuss the main features of regional environment along the middlereaches of the Yangtze River as follows:(1)tiered surface structure composed mainly ofplain;(2)subtropical mansoon climate;(3)a dense network of waterways and numer-ous lakes;(4)transitional nature of the soil and vegetation.Then the authors analyzethe general situation of flood disaster in this area,and delineate the natural and anth-ropogenic causes for its occurrence.
出处
《长江流域资源与环境》
CAS
CSCD
1993年第3期275-281,共7页
Resources and Environment in the Yangtze Basin
基金
国家计委研究课题<长江中游沿岸地区水资源开发>成果之一
关键词
长江中游
区域环境
洪涝
灾害
洪水
middle reaches of the Yangtze River
features of regional environment
flood disaster
