检索规则说明:AND代表“并且”;OR代表“或者”;NOT代表“不包含”;(注意必须大写,运算符两边需空一格)
检 索 范 例 :范例一: (K=图书馆学 OR K=情报学) AND A=范并思 范例二:J=计算机应用与软件 AND (U=C++ OR U=Basic) NOT M=Visual
作 者:王忠福[1]
机构地区:[1]西安邮电学院经济与管理学院,陕西西安710061
出 处:《西安邮电学院学报》2011年第5期122-127,共6页Journal of Xi'an Institute of Posts and Telecommunications
摘 要:水资源是人类赖以生存和社会经济发展不可缺少的物质基础。根据水资源研究发展进程,对水资源的概念给以界定,对我国水资源的现状进行论述,认为我国水资源总量丰富,人均占有量较低;水资源空间分布不均匀;水资源年内分布不均;水资源使用量逐年增加。对我国水资源利用中的问题及原因进行了分析,认为我国水资源有效利用程度低,水资源浪费严重;供需矛盾尖锐;污染严重;污水处理能力有待进一步提高;地下水超采引起地质环境恶化;水资源不合理利用,导致生态环境恶化。结合我国的实际情况,初步对我国水资源可持续利用提出了对策建议,以期对我国水资源的可持续应用,起到积极的作用。The water resources are essential material base for human survival and social-economic development. First, according to the process of water resources research and development, the paper defines the water resources concept. Second, it discusses the current situation of water resources in China and regards that our country's total quantity of water resources is richer; the average amount per capita is lower; the spatial distribution of water resources is non-uniform; water resources distribute non-uniform in a year; water resource usage increases year by year. Third, it analyzes questions and reasons of our country water resources use,thinks that the effective use of water resources in our country is low; the waste of water resources is serious; water resource supply and demand contradiction is sharp; water resource pollution is serious; sewage treatment ability waits for further enhancing; overexploitation of groundwater causes geological environmental degradation; of the unreasonable use water resources causes the ccologlcal environment deterioration. Finally, the paper combines with the actual situation in our country and proposes water resources sustainable use countermeasure in our country, in order to play a positive role in water resources sustainable application in China.
分 类 号:X24[环境科学与工程—环境科学]
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在链接到云南高校图书馆文献保障联盟下载...
云南高校图书馆联盟文献共享服务平台 版权所有©
您的IP:216.73.216.222