Investigations into Soil Composition and Texture Using Infrared Spectroscopy (2–14 𝝁m)

Figure 15

Examples of hull removed 3.3 𝜇m to 3.6 𝜇m ASL reflectance spectra (see Figure 11(a)) highlighting organic carbon spectral absorption features at 3.41 𝜇m (“A”) and 3.5 𝜇m (“B”) applied to several USDA soil samples.