• Spectroscopy and Spectral Analysis
  • Vol. 41, Issue 10, 3208 (2021)
Lin HU1、*, Shu GAN1、1; 2; *;, Xi-ping YUAN2、2; 3;, Yan LI1、1; 4;, Jie LÜ1、1; 2;, and Ming-long YANG1、1; 2;
Author Affiliations
  • 11. School of Land and Resources Engineering, Kunming University of Science and Technology, Kunming 650093, China
  • 22. Yunnan Institute of Engineering Research and Application of Plateau Mountain Spatial Information Surveying and Mapping Technology, Kunming 650093, China
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    DOI: 10.3964/j.issn.1000-0593(2021)10-3208-06 Cite this Article
    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 Copy Citation Text show less
    The location of the study area and the location of the sampling points
    Fig. 1. The location of the study area and the location of the sampling points
    The original spectral curves of bamboo forest, armand pine and spinney
    Fig. 2. The original spectral curves of bamboo forest, armand pine and spinney
    The first dirivative reflectance spectra of bamboo forest, armand pine and spinney
    Fig. 3. The first dirivative reflectance spectra of bamboo forest, armand pine and spinney
    Spectra of bamboo forest, armand pine and spinney after continuum removed
    Fig. 4. Spectra of bamboo forest, armand pine and spinney after continuum removed
    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 1. Characteristic parameters and definition of the first derivative 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 2. Characteristic parameters and definitions of the continuum removed spectrum
    树种竹林华山松杂木林
    Db34.50~100.0022.00~61.5010.00~85.00
    λb530 nm522 nm522 nm
    Dy-16.50~-39.50-7.50~-34.00-0.50~-21.50
    λy570 nm570 nm570 nm
    Dr122.50~383.50117.00~376.5046.00~350.50
    λr718 nm718 nm718 nm
    SDb159.00~635.50149.00~454.5058.00~455.50
    SDy-144.50~-532.50-112.00~-382.50-9.00~-348.00
    SDr1760.00~6135.001371.00~4987.00657.50~4356.00
    Table 3. The first dirivative spectral characteristic parameters of bamboo forest, armand pine and spinney
    竹林华山松杂木林
    D0.1250.1470.197
    P674 nm675 nm676 nm
    A20.19021.32223.302
    Al9.63310.49911.795
    Ar10.55710.82211.507
    S0.9130.9701.025
    NMAD0.0060.0070.008
    Table 4. The continuum removed spectral characteristic parameters of bamboo forest, armand pine and spinney
    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
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