摘要
本文在分析西北干旱区的水文气象特征的基础上,讨论了干旱化和沙漠化加剧、水土流失、土壤盐渍化、水质恶化等主要的水环境问题,并提出改善西北水资源环境的措施和对策。
Northwest China occupies about 30% of the total area in China. It has an abundant storage of minerals and energy sources. As the limiting factors on the economic development in Northwest China, however, the shortage of water resources and deterioration of water environment become more and more serious with the population growth and agricultural and industrial development. There are some evidences about the deterioration of water environmerit, i. e., the decline of river discharge and lake water level, intensified pollution, salinization and erosion of soil and water, etc. The water environment problems which ae closely related to the economic develop of Northwest China are discussed in detail. Some appropriate measures are suggested. The natural landscapes in the arid and semiarid regions of Northwest China are diseribed as well in the paper.
出处
《干旱区地理》
CSCD
北大核心
1993年第4期19-24,共6页
Arid Land Geography
关键词
西北
干旱区
水文气象学
arid area of Northwest Chima, hydrometerology, environment of water resources, countermeasure
