As a closure slow-flow water body, urban artificial water system is vulnerable to the pollutant enrichment and the deter......

运用水均衡原理对九寨沟流域进行了专题的水循环研究，初步查明了注以域内各次级含水单元间的水动力联系及量的比例，进而概化出九寨沟......

指出水分循环的关键在于海洋通过大气向大陆输送水分。水分循环的基本环节，都同气候有密切关系。夏季风在输送水分中有极其重要的作......