| 非监督数字化分类与GIS在土地沙漠化动态监测中的应用 |
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| 引用本文： | 毛晓利,赵鹏祥,王得祥,李卫忠,刘淑明. 非监督数字化分类与GIS在土地沙漠化动态监测中的应用[J]. 西北林学院学报, 2005, 20(3): 6-9 |
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| 作者姓名： | 毛晓利 赵鹏祥 王得祥 李卫忠 刘淑明 |
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| 作者单位： | 西北农林科技大学林学院,陕西,杨陵,712100 |
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| 基金项目： | 中德学术交流中心资助项目 |
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| 摘 要： | 介绍了地理信息系统(GIS)在沙漠化动态监测中的应用和遥感图像计算机监督数字化自动分类的理论和方法,对遥感图像计算机非监督自动分类的精度做了检验.对调查区土地沙漠化动态进行了分析.结果表明,从1991年到1997年间该区土地沙漠化趋势有所减弱,综合治理取得了一定效益.
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| 关 键 词： | 遥感 地理信息系统 非监督分类 动态监测 |
| 文章编号： | 1001-7461(2005)03-0006-04 |
| 修稿时间： | 2004-12-17 |
Nonsupervising Digital Classification and GIS in the Dynamic Monitoring of Soil Desertification Application |
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| MAO Xiao-li,ZHAO Peng-xiang,WANG De-xiang,LI Wei-zhong,LIU Shu-ming. Nonsupervising Digital Classification and GIS in the Dynamic Monitoring of Soil Desertification Application[J]. Journal of Northwest Forestry University, 2005, 20(3): 6-9 |
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| Authors: | MAO Xiao-li ZHAO Peng-xiang WANG De-xiang LI Wei-zhong LIU Shu-ming |
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| Abstract: | Theory and method of satellite image automatic nonsupervising digital classification by computer and the application of GIS in the dynamic monitoring of desertification are deseribed. Analyzing the dynamic of desertification of research area, the accuracy of the method of nonsupervising classification was examined. The result showed that from 1991 to 1997, the tendency of soil desertification in this area was weakened. Some improvements have been observed through comprehensive control. |
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| Keywords: | remote sensing GIS nonsupervising classification dynamic monitoring |
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