An improved scheme for modeling the reflectance spectra of space-weathered regoliths

Details An improved scheme for modeling the reflectance spectra of space-weathered regoliths An improved scheme for modeling the reflectance spectra of space-weathered regoliths

Apr 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008ep%26s...60..271n&link_type=abstract

Earth, Planets and Space, Volume 60, p. 271-275.

Computer Science

3

Scientific paper

In the remote detection of mineral compositions of planetary surface materials on airless bodies, space weathering is an obstacle which makes reflectance spectra redder and darker and weakens spectral features. This study attempts to model an effect of space weathering due to vapor coating by accounting for the change in surface reflectivity of regolith particles wherein nanophase-reduced iron (npFe0) particles are concentrated on their surfaces. When applied to a suite of reflectance spectra of lunar soils having different degrees of space weathering, this model can estimate the degrees of space weathering in terms of the thicknesses of the coating layer and provide an absorption coefficient spectrum of the host material.

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