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中国沙漠 ›› 1994, Vol. 14 ›› Issue (2): 84-89.

• 论文 • 上一篇    下一篇

沙漠化评价基本理论初探

李振山, 王一谋   

  1. 中国科学院兰州沙漠研究所, 兰州 730000
  • 收稿日期:1992-10-24 出版日期:1994-06-20 发布日期:1994-06-20

THE BASIC THEORY OF DESERTIFICATION ASSESSMENT

Li Zhenshan, Wang Yimou   

  1. Institute of Desert Research. Academia Sinica, Lanzhou 730000
  • Received:1992-10-24 Online:1994-06-20 Published:1994-06-20

摘要: 沙漠化评价的原则、内容和方法紧密联系。沙漠化研究内容决定其评价内容。沙漠化地图的合适信息负载量,决定各种比例尺的沙漠化评价指征的详细程度,也决定沙漠化分级数与分类数。分级数的下限是沙漠化允许值。

关键词: 沙漠化, 评价指征, 信息载负量, 允许值

Abstract: The principle and content and mothed of desertification assessment are interrelated,The suitable information load of desertification map decides the its severity degrees and classification,Some examples were given in the paper.

Key words: Desertification, Assessment indicator, Information load