沙化土地遥感评价方法
龙 晶
国家林业局调查规划设计院,北京100714
THE APPLICATION OF REMOTE SENSING TECHNIQUE
TO SANDY DESERTIFICATION ASSESSMENT
LONG Jing
Academy of Forest Inventory and Planning,SFA,Beijing 100714,China
摘要 应用遥感数据,通过建立线性回归模型,进行沙化土地评价因子的反演,并以地面调查为基础进行遥感评价方法研究,探讨
遥感技术在沙化土地评价中应用的有效途径。
Abstract : The sandy desertification assessment is an important basic work on which the desert control project is
based. The present assessment method mainly depends on ground survey combined with optical interpretation of TM
images. This needs considerable funds and a long period,and hence cannot meet the demands of desert control work.
Remote senseing data were used in this paper to retrieve the factors of sandy desertification assessment based on
the linear regression model. The ground survey criteria were employed in the remote sensing model. These measures
are useful in applying remote senseing data to rapid and effective assessment of sandy desertification.
出版日期: 2009-07-30
基金资助: “863”资助课题研究的基础上完成,项目编号(2001AA136050)。
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