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Reflectance Spectroscopy in Geology and Soil Sciences: Literature Review


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Fig. 1

Examples of spectral reflectance diagrams for fresh and weathered basaltic rocks and pyroxene (based on Kokaly et al. 2017, Zhou and Wang 2017, modified). Selected spectral features are marked acc. to Zhou and Wang (2017).
Examples of spectral reflectance diagrams for fresh and weathered basaltic rocks and pyroxene (based on Kokaly et al. 2017, Zhou and Wang 2017, modified). Selected spectral features are marked acc. to Zhou and Wang (2017).

Fig. 2

A – Averaged spectra of kimberlite rock with and without crustose lichen cover, B – The corresponding hull quotient (Clark, Roush 1984) with spectra associated with the antigorite absorption feature (acc. to Salehi et al. 2017, modified).
A – Averaged spectra of kimberlite rock with and without crustose lichen cover, B – The corresponding hull quotient (Clark, Roush 1984) with spectra associated with the antigorite absorption feature (acc. to Salehi et al. 2017, modified).

Fig. 3

The spectroradiometer ASD FieldSpec used in weathering studies in front of Hallstätter Glacier in the Alps (photo M. Dąbski).
The spectroradiometer ASD FieldSpec used in weathering studies in front of Hallstätter Glacier in the Alps (photo M. Dąbski).

A selection of current widely available spectral libraries (based on Xie et al. 2020, modified).

Release year Spectral library Institution
1978 Infrared spectrogram database Shanghai institute of organic chemistry, Chinese Academy of Sciences
1981 JPL spectral library Jet propulsion laboratory JPL, California Institute of Technology
1990 ICGP-264 spectral library United States Geological Survey USGS
1990 Ground object reflectance spectral characteristics database Institute of optical machinery, Chinese Academy of Sciences
1991 JHU spectral library Johns Hopkins University JHU
1993 USGS spectral library United States Geological Survey USGS
1998, 2008 ASTER spectral library (version 1 and 2) America's space agency, NASA
2000 ASU Thermal infrared spectrum library Arizona State University ASU
2002 China typical feature spectrum library Beijing Normal University
2007 National typical ground object spectrum database for e-government Institute of Remote Sensing Earth, Chinese Academy of Sciences
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2081-6383
Language:
English
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Journal Subjects:
Geosciences, Geography