Hyperspectral characteristics of Celosia argentea which lived in manganese stress environment and inversion model for concentration effect of manganese

Sanming Chen; Gang Lin; Xianyang Yin; Xiaolin Sun; Jiasheng Xu; Zhiying Liu

doi:10.1117/12.2220613

9 December 2015 Hyperspectral characteristics of Celosia argentea which lived in manganese stress environment and inversion model for concentration effect of manganese

Sanming Chen, Gang Lin, Xianyang Yin, Xiaolin Sun, Jiasheng Xu, Zhiying Liu

Author Affiliations +

Proceedings Volume 9808, International Conference on Intelligent Earth Observing and Applications 2015; 980826 (2015) https://doi.org/10.1117/12.2220613
Event: International Conference on Intelligent Earth Observing and Applications, 2015, Guilin, China

Abstract

Sedimentary manganese deposits widely distribute in North Guangxi with the characteristic existing Celosia argentea. Celosia argentea is a kind of plant which has a strong ability to enrich manganese. In order to study the relationship between the hyperspectral characteristics of Celosia argentea and the concentration effect of manganese in the soil, we used soil of B layer in mining area, background soil and the soil adding reagent of MnCl⁴ to make up experimental sample soil with 10 levels Manganese content for the same batch Celosia argentea. The levels are 0mg/kg, 4500mg/kg, 9000mg/kg, 13500mg/kg, 18000mg/kg, 18020mg/kg, 18040mg/kg, 18080mg/kg, 18160mg/kg. ASD FieldSpec-4 has been used to measure the abnormal spectrums of these Celosia argentea through a whole growth cycle. After pretreating the spectral data, we used Successive Projections Algorithm (SPA) to extract the characteristic variables for extracting 1603 bands into 8 bands. Finally, the relationship between the spectral variables and the concentration of manganese was predicted by the Model of Partial Least Squares Regression (PLSR). The results show that the correlation coefficient-r² are 0.8714 and 0.9141 in two sets of data. The prediction results are satisfactory, but the front 5 groups are closer to the regression line than the last 5 groups.

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Sanming Chen, Gang Lin, Xianyang Yin, Xiaolin Sun, Jiasheng Xu, and Zhiying Liu "Hyperspectral characteristics of Celosia argentea which lived in manganese stress environment and inversion model for concentration effect of manganese", Proc. SPIE 9808, International Conference on Intelligent Earth Observing and Applications 2015, 980826 (9 December 2015); https://doi.org/10.1117/12.2220613

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KEYWORDS

Manganese

Vegetation

Soil science

Data modeling

Metals

Mining

Reflectivity

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