摘要
２０世纪是沙漠化概念形成与发展的主要时期，通过回顾国内外沙漠化研究的兴起与发展历程，阐述了其研究现状，介绍了对沙漠化的定义、成因、时空尺度、过程与指征等有关问题上的主要观点，分析了目前沙漠化研究中所存在的问题及其发展趋势，并提出了今后应研究的主要课题。
This paper reviews the origination and development process of desertification study athome and abroad, and discusses the study status.The debates about the definition,caus-es,time and space dimensions,process and indicators of desertification are introduced.Atlast,this paper analyses the problems in study of desertification and its development per-spective,and puts forward the important study subjects of desertification from now on.
出处
《地球科学进展》
CAS
CSCD
1994年第3期30-34,共5页
Advances in Earth Science
关键词
沙漠化
沙漠化指征
研究现状
Desertification,Desertificution indicator,Research status, Perspective.
