Algorithms for the estimation of the concentrations of chlorophyll A and carotenoids in rice leaves from airborne hyperspectral data

被引：0

作者：

Guan, YN ^{[1
]}

Guo, S ^{[1
]}

Liu, JG ^{[1
]}

Zhang, X ^{[1
]}

机构：

[1] Chinese Acad Sci, Jointly Sponsored Inst Remote Sensing Applicat, State Key Lab Remote Sensing Sci, Beijing 100101, Peoples R China

来源：

COMPUTATIONAL SCIENCE - ICCS 2005, PT 1, PROCEEDINGS | 2005年 / 3514卷

关键词：

D O I：

暂无

中图分类号：

TP301 [理论、方法];

学科分类号：

081202 ;

摘要：

Algorithms based on reflectance band ratios and first derivative have been developed for the estimation of chlorophyll a and carotenoid content of rice leaves by using airborne hyperspectral data acquainted by Pushbroom Hyperspectral Imager (PHI). There was a strong R680/R825 and chlorophyll a relationship with a linear relationship between the ratio of reflectance at 680nm and 825nm. The first derivative at 686 nm and 601 nm correlated best with carotenoid. The relationship between the ratio of R680/R825 and chlorophyll a relationship, the first derivative at 686 nm and carotenoid concentration were used to develop predictive regression equations for the estimation of canopy chlorophyll a and carotenoid concentration respectively. The relationship was applied to the imagery, where a chlorophyll a concentration map was generated in XueBu, which is one of the sites for rice.

引用

页码：908 / 915

页数：8

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