Spectroscopy and Spectral Analysis, Volume. 42, Issue 7, 2278(2022)
Inversion of Leaf Area Index Based on GF-6 WFV Spectral Vegetation Index Model
Figures & Tables(8)
Fig. 3. NDSI3 spectral vegetation index model inversion for LAI of corn at milk stage
Table 1. Remote sensing images of GF-6 WFV satellite
View tableView in ArticleTable 1. Remote sensing images of GF-6 WFV satellite
波段号 波段范围
/μm波段名称 空间分辨
率/m幅宽
/kmB01 0.45~0.52 蓝波段 16 800 B02 0.52~0.59 绿波段 B03 0.63~0.69 红波段 B04 0.77~0.89 近红外波段 B05 0.69~0.73 红边1波段 B06 0.73~0.77 红边2波段 B07 0.40~0.45 紫边波段 B08 0.59~0.63 黄边波段
Table 2. Spectral vegetation indices
View tableView in ArticleTable 2. Spectral vegetation indices
光谱植被指数 计算公式 归一化差值植被指数 NDVI=(P04-PR)/(P04+PR) 归一化差值光谱指数1 NDSI1=(P04-P05)/(P04+P05) 归一化差值光谱指数2 NDSI2=(P04-P06)/(P04+P06) 归一化差值光谱指数3 NDSI3=(P05-P06)/(P05+P06) 增强植被指数 EVI=2.5(P04-PR)/(P04+
6PR-7.5PB+1)增强光谱指数1 EVI=2.5(P04-P05)/(P04+
6P05-7.5PB+1)增强光谱指数2 EVI=2.5(P04-P06)/(P04+
6P06-7.5PB+1)增强光谱指数3 EVI=2.5(P05-P06)/(P05+
6P06-7.5PB+1)抗大气植被指数 ARVI=(P04-1.7PR+0.7PB)/
(P04+1.7PR-0.7PB)抗大气光谱指数1 ARVI=(P04-1.7P05+0.7PB)/
(P04+1.7P05-0.7PB)抗大气光谱指数2 ARVI=(P04-1.7P06+0.7PB)/
(P04+1.7P06-0.7PB)抗大气光谱指数3 ARVI=(P05-1.7P06+0.7PB)/
(P05+1.7P06-0.7PB)土壤调节植被指数 SAVI=(P04-PR)(1+L)/
(P04+PR+L)土壤调节光谱指数1 SAVI=(P04-P05)(1+L)/
(P04+P05+L)土壤调节光谱指数2 SAVI=(P04-P06)(1+L)/
(P04+P06+L)土壤调节光谱指数3 SAVI=(P05-P06)(1+L)/
(P05+P06+L)土壤调节植被指数 RVI=P04/PR 土壤调节光谱指数1 RVI=P04/P05 土壤调节光谱指数2 RVI=P04/P06 土壤调节光谱指数3 RVI=P05/P06
Table 3. Correlation coefficient types between spectral vegetation index and LAI of maize at milk stage
View tableView in ArticleTable 3. Correlation coefficient types between spectral vegetation index and LAI of maize at milk stage
光谱指数 相关系数 光谱指数 相关系数 NDVI 0.532 6 ESI2 0.587 2 NDSI1 0.662 3 ESI3 0.602 3 NDSI2 0.653 6 ARVI 0.452 6 NDSI3 0.881 0 ARSI1 0.695 2 RVI 0.546 3 ARSI2 0.602 3 RSI1 0.701 2 ARSI3 0.701 2 RSI2 0.685 3 SAVI 0.482 3 RSI3 0.632 3 SAVI1 0.632 5 EVI 0.513 6 SAVI2 0.542 3 ESI1 0.592 5 SAVI3 0.592 3
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Xiao-xuan WANG, Xiao-ping LU, Qing-yan MENG, Guo-qing LI, Jun WANG, Lin-lin ZHANG, Ze-nan YANG. Inversion of Leaf Area Index Based on GF-6 WFV Spectral Vegetation Index Model[J]. Spectroscopy and Spectral Analysis, 2022, 42(7): 2278
Paper Information
Category: Orginal Article
Received: Oct. 20, 2020
Accepted: --
Published Online: Nov. 16, 2022
The Author Email: WANG Xiao-xuan (1244377865@qq.com)
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