2015
DOI: 10.1016/j.geoderma.2014.12.014
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Geometrical analysis of laboratory soil spectra in the short-wave infrared domain: Clay composition and estimation of the swelling potential

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Cited by 48 publications
(27 citation statements)
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“…Several authors have successfully quantified mineral clays in soils [6][7][8] by field spectroscopy and laboratory spectral measurements. In these studies, measurements were generally carried out on dry soils for avoiding spectral perturbations due to moisture, and under ideal conditions of illumination, away from real cases contexts found in the field.…”
Section: Introductionmentioning
confidence: 99%
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“…Several authors have successfully quantified mineral clays in soils [6][7][8] by field spectroscopy and laboratory spectral measurements. In these studies, measurements were generally carried out on dry soils for avoiding spectral perturbations due to moisture, and under ideal conditions of illumination, away from real cases contexts found in the field.…”
Section: Introductionmentioning
confidence: 99%
“…Some studies hypothesize a linear mixture of soil mineral spectra (or "patchwork"). That means each component will have its spectral signature mixed in proportion to its abundance in the soil [6][7][8], which is an approximation because the diffusion of light induces nonlinearities on the spectral behavior of the reflectance present in an intimate mixture [14]. The impact of this phenomenon needs to be clearly assessed in order to correctly quantify clay species.…”
Section: Introductionmentioning
confidence: 99%
“…Os minerais presentes nas curvas foram identificados e corroborados pela análise de DRX. (Dufréchou et al, 2015). P, W e F são calculados em nanômetros (nm) enquanto D e AS são adimensionais.…”
Section: Análise Dos Dadosunclassified
“…A largura à meia altura (F) representa o comprimento da banda de absorção na metade da profundidade. A assimetria (AS) é calculada pela proporção entre a largura à meia altura da porção esquerda e da porção direita (Dufréchou et al, 2015). W e F são calculados em nanômetros (nm) enquanto D e AS são adimensionais.…”
Section: Análise Dos Dadosunclassified
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