| 基于高光谱的橡胶单叶叶绿素含量研究 |
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| 引用本文： | 杨巧明,谢贵水.基于高光谱的橡胶单叶叶绿素含量研究[J].热带农业工程,2011(2):9-14. |
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| 作者姓名： | 杨巧明 谢贵水 |
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| 作者单位： | 海南大学环境与植物保护学院;中国热带农业科学院橡胶研究所农业部儋州热带农业资源与生态环境重点野外科学观测试验站农业部橡胶树生物学重点开放实验室; |
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| 基金项目： | 天然橡胶产业技术体系(No.CARS-34-GW5)、基本科研业务费(No.XJSYWFZX2009-23、1630022011012)资助 |
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| 摘 要： | 采用高光谱分析和线性回归技术分析了3个橡胶树品种单叶片的室内光谱反射数据和叶绿素含量,确定了橡胶单叶高光谱特征参数(三边面积、反射率和一阶微分值)与3个品种综合的不同物候期和物候期综合下的叶绿素含量的敏感波段。结果表明:三边面积均与叶绿素含量的相关达到1%的极显著检验水平;基于反射率和一阶微分值的变量与叶绿素主要呈负相关,敏感波段主要在蓝边范围;利用一阶微分值构建的线性回归模型对叶绿素含量估算较好。
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| 关 键 词： | 橡胶叶片 高光谱参量 叶绿素含量 相关分析 |
Correlation Analysis between Hyper Spectral data and CHL.C of Rubber Leaves |
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| Yang Qiaoming, Xie Guishui.Correlation Analysis between Hyper Spectral data and CHL.C of Rubber Leaves[J].Tropical Agricultural Engineering,2011(2):9-14. |
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| Authors: | Yang Qiaoming Xie Guishui |
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| Institution: | Yang Qiaoming1,2 Xie Guishui2(1 Environment & Plant Protection College,Hainan University,Danzhou,Hainan 571737,2 Rubber Research Institute,Chinese Academy of Tropical Agricultural Sciences,Danzhou Key Field Station of Observation and Research for Tropical Agricultural Resources and Environment,Ministry of Agriculture,Key Laboratory of Rubber Biology,Danzhou Hainan,Hainan 571737) |
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| Abstract: | In this study,the indoor spectral reflectance and total chlorophyll contents of single leaf three rubber clones were analyzed by means of stepwise regression analysis and hyper spectral analysis.The characteristic of rubber single leaf(trilateral area,reflectance spectral data and the first derivative spectra data) and the chlorophyll content sensitive band of three rubber clone,which are under different phenological periods and phenology consolidated were determined,results as followed.The trilateral area ... |
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| Keywords: | rubber blade hyperspectral characteristic variables correlation analysis chlorophyll content |
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