Characteristics of Land Cover Change in Mu Us Desert in Recent Years

WANG Yu-hua; YANG Jing-rong; DING Yong; NING Zheng-pimg; ZHANG Hong-lin

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Characteristics of Land Cover Change in Mu Us Desert in Recent Years

- Characteristics of Land Cover Change in Mu Us Desert in Recent Years
- Bulletin of Soiland Water Conservation Vol. 27, Issue 6, Pages: 53-57(2008)
- 作者机构：
  
  1. 内蒙古遥感中心,内蒙古,呼和浩特,010010
  2. 内蒙古大学生态与环境科学系,内蒙古,呼和浩特,010021
  3. 鄂尔多斯市发展和改革委员会,内蒙古,鄂尔多斯市,017000
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2008
- 稿件说明：
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WANG Yu-hua, YANG Jing-rong, DING Yong, et al. Characteristics of Land Cover Change in Mu Us Desert in Recent Years[J]. Bulletin of Soiland Water Conservation, 2008, 27(6): 53-57.
DOI：

WANG Yu-hua, YANG Jing-rong, DING Yong, et al. Characteristics of Land Cover Change in Mu Us Desert in Recent Years[J]. Bulletin of Soiland Water Conservation, 2008, 27(6): 53-57. DOI：

摘要

利用2000年和2006年两期中巴卫星数据

建立了区域尺度沙漠化评价模型

分析了毛乌素沙地土地类型变化趋势及以县域为单位的沙漠化评价。(1)仅从土地类型面积变化来看

研究区沙漠化发展呈现总体稳定

局部恶化趋势;(2)在半固定、半流动和非沙漠化三种类型间沙漠化发展变化剧烈;(3)2006年与2000年的16个县域评价结果显示

极重度沙漠化的县域明显减少

转化为重度和中度

毛乌素沙地总体上呈现出良性发展态势。

Abstract

An assessment model for sandy desertification in regional scale is established based on CBERS images in 2000 and 2006.Tendency of land cover change in Mu Us Desert is analyzed and desertification assessment in county scale is made.The conclusions are as follows:(1) Desertification in the study area tends to be steady.(2) The three types of semi-fixed desertification

semi-flow desertification

and non desertification change severely.(3) Result from desertification assessment in county scale shows that the number of extremely severe desertification counties decreases significantly and the counties turn to severe and moderate sandy desertification.Mu Us Desert is in a good status in general.

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