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基于环境星CCD数据的环境植被指数及叶面积指数反演研究
Alternative TitleStudy of Environmental Vegetation Index Based on Environment Satellite CCD Data and LAI Inversion
张瀛; 孟庆岩; 武佳丽; 赵峰
Source Publication光谱学与光谱分析
2011
Volume31Issue:10Pages:2789-2793
ISSN1000-0593
Abstract利用PROSAIL前向模型模拟的植被冠层光谱,在植被指数构造时,引入修正大气、土壤背景影响的蓝、绿波段,构建了避免过早饱和的环境植被指数(environmental vegetation index, EVI)。基于多个典型冬小麦生育期的地面观测数据,建立基于EVI-LAI长时间序列反演模型,并对模型进行不同品种间的交叉检验。研究表明, EVI建立的叶面积指数(leaf area index, LAI)反演模型精度优于同类植被指数模型,并具有较好的普适性,能应用于冬小麦遥感多时相长势监测及LAI反演。
Other AbstractThe present study used the PROSAIL forward model to simulate vegetation canopy spectrum,introducing blue and green bands to amend the effects of atmosphere and soil background,and constructing HuanJing vegetation Index(HJVI) to avoid premature saturation.Based on ground observation data of different typical winter wheat,we established HJVI-LAI long time series inversion models and implemented different varieties cross-validation to the models.The results show that the LAI inversion model of HJVI has higher precision than similar vegetation index model,has good universality,and can be applied to remote sensing multi-temporal winter wheat growth monitoring and LAI inversion. 更多
Keyword光谱 环境植被指数 模型 交叉检验 Lai
Subject Area力学
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Indexed ByEI ; CSCD
Language中文
Funding Organization国家自然科学基金项目(40971227);科技部国际科技合作与交流专项项目(2010DFA21880);中国博士后科学基金项目资助
CSCD IDCSCD:4326204
Department职能与支撑部门
Citation statistics
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/44885
Collection职能与支撑部门
Corresponding Author张瀛
Recommended Citation
GB/T 7714
张瀛,孟庆岩,武佳丽,等. 基于环境星CCD数据的环境植被指数及叶面积指数反演研究[J]. 光谱学与光谱分析,2011,31(10):2789-2793.
APA 张瀛,孟庆岩,武佳丽,&赵峰.(2011).基于环境星CCD数据的环境植被指数及叶面积指数反演研究.光谱学与光谱分析,31(10),2789-2793.
MLA 张瀛,et al."基于环境星CCD数据的环境植被指数及叶面积指数反演研究".光谱学与光谱分析 31.10(2011):2789-2793.
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