摘要
基于第二十二届国际大地测量与地球物理大会的动态 ,分析出世纪之交水文学研究的三大基本特点。其一是强调人类活动对水循环的影响的研究 ,主要表现为研究土地利用变化对来自面源的氮负荷的影响、城市化进程加快对地表和地下水质的影响、河流对水文系统、泥沙输送及营养负荷的变化的生态响应和地下水和地表水在质与量上的相互作用。其二是十分重视区域尺度的水文的研究。包括区域及全球尺度资料库的建立和区域水分通量的计算。其三是集成应用示踪剂。
Based on the related sessions on the 22th Assembly of International Union of Geodesy and Geophysics which was held in July 1999 in Birmingham, there are three basic characteristics of hydrological research from the 20th Century to 21th Century. Firstly, the effects of human activities on hydrological cycle both in water quantity and water quantity are stressed very much, which includes impact of land-use change on nutrient loads from diffuse sources;impacts of urban growth on surface and groundwater quality, riverine ecological response to changes in hydrological regime, sediment transport and nutrient loading, and interactions between surface water and goundwater in quality and quantity. Secondly, the hydrological research in regional scale is focused. The hot topics at present are to establish a global hydrological data bases, to explore new methods which are suitable for regional study over continental regions. The study on the interaction between atmosphere and land surface greatly promotes regional hydrological research also. Finally, linkage among tracer techniques, advanced hydrometric and remote sensing is very helpful for understanding hydrological processes in catchment.
出处
《水科学进展》
EI
CAS
CSCD
北大核心
2001年第1期113-117,共5页
Advances in Water Science
基金
国家自然科学基金! ( 4 97710 19和 4 9890 330 )
科技部国家重点基础研究发展规划项目!( 19990 4 360 1)
