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Study on the spectral response of Brassica Campestris L. leaf to the copper pollution

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Abstract

Brassica Campestis L. was cultivated in the soil at the laboratory. The red edge, the visual spectrum and the near-infrared spectrum of Brassica Campestis L. leaf were used to explore the spectral response of Brassica Campestis L. leaf to the copper stress. As the Cu content in the soil gets increased, the copper level in Brassica Campestris L. leaf would be increased, and the chlorophyll level in Brassica Campestris L. leaf would be decreased. As a result, the visual spectral reflectance (A1) of Brassica Campestris L. leaf is increased, and the blue-shift (moving towards the shorter waveband) degree (S) of the red edge (the ascending region of the reflectivity at 680–740 nm) gets increased. However, the near-infrared spectral reflectance (A2) decreases. With the correlation coefficient R2 more than 0.95, these parameters of A1, A2 and S can be perfectly used to simulate and predict the copper level in Brassica Campestris L. leaf.

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Authors and Affiliations

  1. School of Geography and Remote Sensing Science, Bei**g Normal University, Bei**g, 100875, China

    Liu SuHong

  2. State Key Laboratory of Water Environment Simulation, School of Environment, Bei**g Normal University, Bei**g, 100875, China

    Liu **nHui, Hou Juan, Chi GuangYu & Cui BaoShan

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  1. Liu SuHong
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  2. Liu **nHui
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  3. Hou Juan
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  4. Chi GuangYu
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  5. Cui BaoShan
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Correspondence to Liu **nHui.

Additional information

Supported by the Major State Basic Research Development Program (Grant Nos. 2003CB415007 and 2003CB415104)

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Liu, S., Liu, X., Hou, J. et al. Study on the spectral response of Brassica Campestris L. leaf to the copper pollution. Sci. China Ser. E-Technol. Sci. 51, 202–208 (2008). https://doi.org/10.1007/s11431-008-0019-7

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  • DOI: https://doi.org/10.1007/s11431-008-0019-7

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