Physics
Scientific paper
Jul 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984jgr....89.6329c&link_type=abstract
Journal of Geophysical Research (ISSN 0148-0227), vol. 89, July 10, 1984, p. 6329-6340.
Physics
232
Mineralogy, Planetary Geology, Planetary Surfaces, Remote Sensing, Scattering Functions, Spectral Reflectance, Absorption Spectra, Ice, Light Scattering, Normal Density Functions, Optical Paths, Particle Size Distribution, Planetary Composition
Scientific paper
The empirical methods and scattering theories that are important for solving remote sensing problems are among the methods for remotely sensed reflectance data analysis presently compared. In the case of the photon mean optical path length concept's implications for reflectance spectra modeling, it is shown that the mean optical path length in a particulate surface is in roughly inverse proportion to the square root of the absorption coefficient. Absorption bands, which are Gaussian in shape when plotted as true absorptance vs photon energy, are also Gaussians in apparent absorptance, although they have a smaller intensity. An apparent continuum in a reflectance spectrum is modeled as a mathematical function that is used to isolate a particular absorption feature for analysis, and it is noted that this continuum should be removed by dividing it into the reflectance spectrum.
Clark Roger Nelson
Roush Ted L.
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