Analysis of regolith electromagnetic scattering as constrained by high resolution Earth-based measurements of the lunar microwave emission

Details Analysis of regolith electromagnetic scattering as constrained by high resolution Earth-based measurements of the lunar microwave emission Analysis of regolith electromagnetic scattering as constrained by high resolution Earth-based measurements of the lunar microwave emission

Jul 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983psi..rept.....k&link_type=abstract

Final Report Planetary Science Inst., Tucson, AZ.

Computer Science

Numerical Analysis

Electromagnetic Scattering, Lunar Mantle, Microwave Emission, Numerical Analysis, Regolith, Brightness Temperature, Remote Sensing, Vertical Distribution

Scientific paper

When high resolution measurements of the phase variation of the lunar disk center brightness temperature revealed that in situ regolith electrical losses were larger than those measured on returned samples by a factor of 1.5 to 2.0 at centimeter wavelengths, the need for a refinement of the regolith model to include realistic treatment of scattering effects was identified. Two distinct scattering regimes are considered: vertial variations in dielectric constant and volume scattering due to subsurface rock fragments. Models of lunar regolith energy transport processes are now at the state for which a maximum scientific return could be realized from a lunar orbiter microwave mapping experiment. A detailed analysis, including the effects of scattering produced a set of nominal brightness temperature spectra for lunar equatorial regions, which can be used for mapping as a calibration reference for mapping variations in mineralogy and heat flow.

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