Monitoring plant response to phenanthrene using the red edge of canopy hyperspectral reflectance
文献类型: 外文期刊
第一作者: Zhu, Linhai
作者: Zhu, Linhai;Wang, Jianjian;Jiang, Lianhe;Zheng, Yuanrun;Zhu, Linhai;Chen, Zhongxin;Wang, Jianjian;Ding, Jinzhi;Ding, Jinzhi;Yu, Yunjiang;Li, Junsheng;Xiao, Nengwen;Rimmington, Glyn M.
作者机构:
关键词: Remote sensing;Oil pollution;Polycyclic aromatic hydrocarbons;Field canopy spectroscopy;Hyperspectral;Oil spill
期刊名称:MARINE POLLUTION BULLETIN ( 影响因子:5.553; 五年影响因子:5.907 )
ISSN:
年卷期:
页码:
收录情况: SCI
摘要: To investigate the mechanisms and potential for the remote sensing of phenanthrene-induced vegetation stress, we measured field canopy spectra, and associated plant and soil parameters in the field controlled experiment in the Yellow River Delta of China. Two widely distributed plant communities, separately dominated by reed (Phragmites australis) and glaucous seepweed (Suaeda salsa), were treated with different doses of phenanthrene. The canopy spectral changes of plant community resulted from the decreases of biomass and foliar projective coverage, while leaf photosynthetic pigment concentrations showed no significance difference among treatments. The spectral response to phenanthrene included a flattened red edge, with decreased first derivative of reflectance. The red edge slope and area consistently responded to phenanthrene, showing a strong relationship with aboveground biomass, coverage and canopy pigments density. These results suggest the potential of remote sensing and the importance of field validation to correctly interpret the causes of the spectral changes.
分类号: X
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