中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Environmental Mechanics Research in China

文献类型:期刊论文

作者Li JC(李家春); Liu QQ(刘清泉); Zhou JF(周济福)
刊名Advances in Applied Mechanics
出版日期2003
卷号39页码:217-306
ISSN号0065-2156
通讯作者Li, JC (reprint author), Chinese Acad Sci, Inst Mech, Dept Engn Sci, Beijing 100080, Peoples R China.
中文摘要By recalling mankind's path during past 50 years in the present article, we mainly highlight the significance of environmental issues today. In particular, two major factors leading to environment deterioration in China such as water resources and coal burning are stressed on. Present-day environmental issues are obviously interdisciplinary, of multiple scales and multi-composition in nature. Therefore, a process-based approach for environment research is absolutely necessarily. A series of sub-processes, either physical, chemical or biological, are subsequently analyzed in order to established reasonable parameterization scheme and credible comprehensive model. And we are now in a position to answer questions still open to us, improve existing somewhat empirical engineering approaches and enhance quantitative accuracy in prediction. To illustrate this process-based research approach, three typical examples associated with the Yangtze River Estuary, Loess Plateau and Tenggeli Desert environments have been dealt with respectively. A theoretical model of vertical flow field accounting for runoff and tide interaction has been established to delineate salinity and sediment motion which are responsible for the formation of mouth bar at the outlet and the ecological evolution there. A kinematic wave theory combined with the revised Green-Ampt infiltration formula is applied to the prediction of runoff generation and erosion in three types of erosion region on the Loess Plateau. Three approaches describing water motion in SPAC system in arid areas at different levels have been improved by introducing vegetation sub-models. However, we have found that the formation of a dry sandy layer and biological crust skin are additional primary causes leading to deterioration of water supply and succession of ecological system.
学科主题力学
类目[WOS]Engineering, Mechanical ; Mechanics
研究领域[WOS]Engineering ; Mechanics
关键词[WOS]LARGE-EDDY-SIMULATION ; PLANETARY BOUNDARY-LAYER ; SEDIMENT TRANSPORT CAPACITY ; TURBULENT FLOWS ; ARID AREAS ; MODEL ; FOREST ; INFILTRATION ; TEMPERATURE ; PREDICTION
收录类别SCI
语种英语
WOS记录号WOS:000186916200004
公开日期2007-06-15 ; 2007-12-05 ; 2009-06-23
源URL[http://dspace.imech.ac.cn/handle/311007/15911]  
专题力学研究所_力学所知识产出(1956-2008)
推荐引用方式
GB/T 7714
Li JC,Liu QQ,Zhou JF. Environmental Mechanics Research in China[J]. Advances in Applied Mechanics,2003,39:217-306.
APA 李家春,刘清泉,&周济福.(2003).Environmental Mechanics Research in China.Advances in Applied Mechanics,39,217-306.
MLA 李家春,et al."Environmental Mechanics Research in China".Advances in Applied Mechanics 39(2003):217-306.

入库方式: OAI收割

来源:力学研究所

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