Image Interpretation and Dynamic Analysis of Desertification of Kubuqi Desert

CUI Yan

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Image Interpretation and Dynamic Analysis of Desertification of Kubuqi Desert

- Image Interpretation and Dynamic Analysis of Desertification of Kubuqi Desert
- Bulletin of Soiland Water Conservation Vol. 29, Issue 6, Pages: 100-102(2010)
- 作者机构：
  
  西安文理学院旅游与环境系,陕西,西安,710065
- 作者简介：
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- Published：2010
- 稿件说明：
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CUI Yan. Image Interpretation and Dynamic Analysis of Desertification of Kubuqi Desert[J]. Bulletin of Soiland Water Conservation, 2010, 29(6): 100-102.
DOI：

CUI Yan. Image Interpretation and Dynamic Analysis of Desertification of Kubuqi Desert[J]. Bulletin of Soiland Water Conservation, 2010, 29(6): 100-102. DOI：

摘要

荒漠化的动态变化分析是荒漠化防治工作的前提和基础

在对选取的库布齐沙漠多个时相的遥感影像数据处理后

根据确立的研究区荒漠化解译标志

借助RS和GIS工具得到研究区不同时间的荒漠化状况

从荒漠化面积变化、等级的空间变化等方面分析了研究区荒漠化的动态变化。分析结果表明

从1989年以来荒漠化总面积减少的趋势明显

尤其在黄河沿岸荒漠化得到有效治理;但在东南部、沙漠腹地和海子周边荒漠化出现了增长。为了从根本上治理库布奇沙漠地区的荒漠化

除了一般的工程、生物措施外

可以借助旅游产业开发

消除不合理人类活动产生的影响

维持生态系统与人文环境的动态平衡。

Abstract

Analysis of dynamic change in desertification is the foundation of desertification prevention.Multi-temporal TM image data of Kubuqi Desert in recent years were analyzed and different periods of desertification grade distribution maps were obtained by image interpretation using RS GIS software.Dynamic desertification process was discussed in terms of desertification area change and spatial changes of desertification levels.Results show an obvious downward trend of total desertification area after 1989.In view of the spatial variations of desertification levels

desertification is reversed in most areas along the main course of Yellow River

but increased in southeastern part

southern desert hinterland

and the surrounding of lakes.In addition to general engineering and biological measures

irrational human activities should be eliminated in order to maintain the dynamic balance of ecological systems and human environment.

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