Meng-yuan ZHU, Bin LÜ, Ying GUO. Comparison of Haematite and Goethite Contents in Aeolian Deposits in Different Climate Zones Based on Diffuse Reflectance Spectroscopy and Chromaticity Methods[J]. Spectroscopy and Spectral Analysis, 2022, 42(6): 1684
- Spectroscopy and Spectral Analysis
- Vol. 42, Issue 6, 1684 (2022)
![Schematic diagram of the position of the sections (a) and the photos of sections [(b): Bole; (c): Jinchuan; (d): Xuwen]](/richHtml/gpxygpfx/2022/42/6/1684/img_1.png)
Fig. 1. Schematic diagram of the position of the sections (a) and the photos of sections [(b): Bole; (c): Jinchuan; (d): Xuwen]
Fig. 2. First derivative of DRS: representative samples of Bole, Jinchuan and Xuwen section
Fig. 3. The variation curves of Characteristic peak height of DRS first derivative of Gt, Hm and Gt/Hm at Bole, Jinchuan and Xuwen section
Fig. 4. The variation curves of chroma of Bole, Xuwen and Jinchuan section with depth
Fig. 5. Scatter plots between DRS parameters and color parameters
(a)—(c): Bole; (d)—(f): Jinchuan; (g)—(i): Xuwen
(a)—(c): Bole; (d)—(f): Jinchuan; (g)—(i): Xuwen
Fig. 6. Correlation scatter plots of DRS parameters (Gt, Hm) and color parameters (b*, a*)
Fig. 7. Scatter plots of average annual temperature, average annual precipitation and the mean of a* and Gt/Hm
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