| 沙化土地遥感评价方法 |
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| 引用本文： | 龙晶.沙化土地遥感评价方法[J].国土资源遥感,2005,16(1):17-19. |
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| 作者姓名： | 龙晶 |
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| 作者单位： | 国家林业局调查规划设计院,北京,100714 |
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| 基金项目： | "863"资助课题研究的基础上完成,项目编号(2001AA136050)。 |
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| 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。
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| 关 键 词： | 沙化土地评价 遥感 植被盖度 生物量反演 植被指数 回归模型 |
| 文章编号： | 1001-070X(2005)01-0017-03 |
THE APPLICATION OF REMOTE SENSING TECHNIQUE
TO SANDY DESERTIFICATION ASSESSMENT |
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| LONG Jing.THE APPLICATION OF REMOTE SENSING TECHNIQUE
TO SANDY DESERTIFICATION ASSESSMENT[J].Remote Sensing for Land & Resources,2005,16(1):17-19. |
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| Authors: | LONG Jing |
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| Institution: | Academy of Forest Inventory and Planning,SFA,Beijing 100714,China |
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| 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. |
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| Keywords: | Sandy desertification assessment Remote sensing Vegetation cover percentage Biomass retrieval Vegetation index Regression model |
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