[1]王鑫梅,牟洪香*,李春友,等. 107杨叶片叶绿素含量高光谱反演的研究[J].西北林学院学报,2015,30(03):35-38.[doi:doi:10.3969/j.issn.1001-7461.2015.03.06]
 WANG Xin-mei,MOU Hong-xiang*,LI Chun-you,et al. Inversion of Populus×euramericana cv. “74/76” Chlorophyll Concentration Based on the Hyper-Spectrum[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2015,30(03):35-38.[doi:doi:10.3969/j.issn.1001-7461.2015.03.06]
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 107杨叶片叶绿素含量高光谱反演的研究()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第30卷
期数:
2015年03期
页码:
35-38
栏目:
出版日期:
2015-05-31

文章信息/Info

Title:
 Inversion of Populus×euramericana cv. “74/76” Chlorophyll Concentration Based on the Hyper-Spectrum
文章编号:
1001-7461(2015)03-0035-04
作者:
 王鑫梅1牟洪香1*李春友1杨可伟1赵雪1程志庆2王鹤松34
 (1.河北农业大学 林学院,河北 保定 070100;2.中国林业科学研究院 林业研究所,北京 100091;3.北京林业大学 林学院,北京 100083;4.中国科学院 大气物理研究所,北京 100029)
Author(s):
 WANG Xin-mei1 MOU Hong-xiang1* LI Chun-you1 YANG Ke-wei1 ZHAO Xue1 CHENG Zhi-qing2 WANG He-song34
 (1. College of Forestry,Agricultural University of Hebei, Baoding, Hebei 071000, China;2. Research Institute of Forestry, Chinese Academy of Forestry, Beijing 100091, China; 3.College of Forestry, Beijing Forestry University, Beijing 100083, China; 4. Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China)
关键词:
 107杨叶绿素光谱反射率反演模型植被指数
Keywords:
Populus×euramericana cv.“74/76” chlorophyll spectral reflectance inversion model vegetation index
分类号:
S718.43
DOI:
doi:10.3969/j.issn.1001-7461.2015.03.06
文献标志码:
A
摘要:
 利用Field-Spec Pro测定107杨叶片光谱特征参数,研究不同叶绿素含量的107杨叶片的光谱特性、叶绿素含量与11种植被指数之间的关系以及107杨叶片叶绿素含量的光谱反演模式。结果表明:1)光谱反射率呈现典型的植物光谱特征,蓝紫谷位于350~500 nm之间,其中多集中在350 nm处;绿峰位于500~600 nm之间,其中大部分集中在552 nm处;红谷位于600~700 nm之间,多集中在672 nm处。700 nm后进入近红外高反射平台,以762 nm居多;2)107杨叶片叶绿素含量与11种植被指数之间均具有很强的相关性,其中mND705植被指数与叶片叶绿素含量相关性最强,R2为0.69;3)基于植被指数建立叶绿素反演模型,结果显示mND705植被指数的高光谱反演模型y=0.09x1.621 7反演精度较高,拟合R2和预测R2均达到最大,分别为0.812 4、0.703 5;均方根误差最小,为0.007 0,说明可以利用测量107杨叶片光谱的方法来监测叶片叶绿素含量。
Abstract:
 Parameters of Populus×euramericana cv. “74/76” leaves determined by Field-Spec Pro were adopted to study spectral characteristics of the leaves which contained different chlorophyll contents, to examine the relationships of chlorophyll content and 11 vegetation spectral inversion models, as well as the spectral inversion model of leaf chlorophyll content. The spectral reflectance presented typical plant spectral characteristics. The blue valley appeared in 350-500 nm and centered at 350 nm. The green peak appeared in 500-600 nm and centered at 552 nm. The red valley located in 600-700 nm and centered at 672 nm. Infrared ray,wave length longger than 700 nm, entering the near infrared reflectance platform, and centered at 762 nm. The chlorophyll content of P. × euramericana cv. “74/76” leaves and 11 vegetation indices were highly correlated. The correlation of mND705 vegetation index and chlorophyll content in the leaves was the most significant with a R2 of 0.69. The established chlorophyll retrieval model based on vegetation index showed that inversion precision of inversion model y=0.09x1.621 7 of mND705 vegetation index of high-spectrum was the highest, the fitting R2 and predicted R2 which all reached maximum, were 0.812 4 and 0.703 5, respectively. RMSE was 0.007 0, indicating that the method of monitor the Populus × euramericana cv. “74/76” leaves spectral can be used to the measurement of leaf chlorophyll content.

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备注/Memo

备注/Memo:
 收稿日期:2014-08-04 修回日期:2014-11-07
基金项目:林业公益性行业科研专项(201204105);国家自然科学基金(41105076)。
作者简介:王鑫梅,女,在读硕士,研究方向:森林培育。E-mail:1159299474@qq.com
*通信作者:牟洪香,女,讲师,研究方向:森林培育。E-mail:mouhongxiang@hebau.edu.cn
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