Spectroscopy and Spectral Analysis, Volume. 41, Issue 10, 3208(2021)
Airborne Hyperspectral Features of Three Types of Typical Surface Vegetation in Central Yunnan
Figures & Tables(8)
Fig. 1. The location of the study area and the location of the sampling points
Fig. 2. The original spectral curves of bamboo forest, armand pine and spinney
Fig. 3. The first dirivative reflectance spectra of bamboo forest, armand pine and spinney
Fig. 4. Spectra of bamboo forest, armand pine and spinney after continuum removed
Table 1. Characteristic parameters and definition of the first derivative spectrum
View tableView in ArticleTable 1. Characteristic parameters and definition of the first derivative spectrum
类型 样本量 符号 定义 位置变量 蓝边幅值 Db 蓝边(490~530 nm)内一阶微分最大值 蓝边位置 λb 蓝边幅值对应的波长 黄边幅值 Dy 黄边(560~640 nm)内一阶微分最小值 黄边位置 λy 黄边幅值对应的波长 红边幅值 Dr 红边(680~760 nm)内一阶微分最大值 红边位置 λr 红边幅值对应的波长 面积变量 蓝边面积 SDb 蓝边范围内一阶微分值的总和 黄边面积 SDy 黄边范围内一阶微分值的总和 红边面积 SDr 红边范围内一阶微分值的总和
Table 2. Characteristic parameters and definitions of the continuum removed spectrum
View tableView in ArticleTable 2. Characteristic parameters and definitions of the continuum removed spectrum
名称 符号 定义 最大吸收深度 D 吸收峰最大吸收值 吸收位置 P 吸收谷中反射率最小处的波长 总面积 A 起始和终止波长内的波段深度的积分 左面积 Al 吸收位置左侧的波段深度的积分 右面积 Ar 吸收位置右侧的波段深度的积分 吸收对称度 S 吸收谷左、 右面积的比值 面积归一化最大吸收深度 NMAD 吸收谷最大吸收值与吸收谷总面积的比值
Table 3. The first dirivative spectral characteristic parameters of bamboo forest, armand pine and spinney
View tableView in ArticleTable 3. The first dirivative spectral characteristic parameters of bamboo forest, armand pine and spinney
树种 竹林 华山松 杂木林 Db 34.50~100.00 22.00~61.50 10.00~85.00 λb 530 nm 522 nm 522 nm Dy -16.50~-39.50 -7.50~-34.00 -0.50~-21.50 λy 570 nm 570 nm 570 nm Dr 122.50~383.50 117.00~376.50 46.00~350.50 λr 718 nm 718 nm 718 nm SDb 159.00~635.50 149.00~454.50 58.00~455.50 SDy -144.50~-532.50 -112.00~-382.50 -9.00~-348.00 SDr 1760.00~6135.00 1371.00~4987.00 657.50~4356.00
Table 4. The continuum removed spectral characteristic parameters of bamboo forest, armand pine and spinney
View tableView in ArticleTable 4. The continuum removed spectral characteristic parameters of bamboo forest, armand pine and spinney
竹林 华山松 杂木林 D 0.125 0.147 0.197 P 674 nm 675 nm 676 nm A 20.190 21.322 23.302 Al 9.633 10.499 11.795 Ar 10.557 10.822 11.507 S 0.913 0.970 1.025 NMAD 0.006 0.007 0.008
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Lin HU, Shu GAN, Xi-ping YUAN, Yan LI, Jie LÜ, Ming-long YANG. Airborne Hyperspectral Features of Three Types of Typical Surface Vegetation in Central Yunnan[J]. Spectroscopy and Spectral Analysis, 2021, 41(10): 3208
Paper Information
Category: Research Articles
Received: Sep. 23, 2020
Accepted: --
Published Online: Oct. 29, 2021
The Author Email: Lin HU (hl112365@163.com)
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