论文部分内容阅读
随着我国社会主义建设进入新的历史时期,我国人民居住环境城市化问题变得明显突出。城市作为人们生活与经济活动的实体,将随国民经济的发展而增长,从而改变所在地域的区域水环境,出现一系列以水为中心的问题,如:水资源供需矛盾激化;流域暴雨洪水洪量、历时及径流系数等发生变化;地表、地下水环境质量降低(水质变坏、地下水位下降或升高);市区及下游河湖营养物质增加,富营养化程度加大,增加了以水为媒介的传染病;原有的生态系统遭受破坏等等。
With the socialist construction in our country entering a new historical period, the urbanization of the people’s living environment in our country has become conspicuous. As an entity of people’s life and economic activities, the city will grow with the development of the national economy and thus change the regional water environment in its area. A series of water-centered issues such as the intensification of the contradiction between supply and demand of water resources and the storm flood amount , Duration and runoff coefficient change; surface, groundwater environmental quality (deterioration of water quality, groundwater level decreased or increased); urban and downstream rivers and lakes increased nutrients, increased eutrophication, an increase of water Infectious diseases of the media; destruction of the original ecosystem, etc.