Application of Hapke photometric model to three geologic surfaces using PARABOLA bidirectional reflection data

Details Application of Hapke photometric model to three geologic surfaces using PARABOLA bidirectional reflection data Application of Hapke photometric model to three geologic surfaces using PARABOLA bidirectional reflection data

Jun 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991pggp.rept..304s&link_type=abstract

In NASA, Washington, Reports of Planetary Geology and Geophysics Program, 1990 p 304-305 (SEE N92-10728 01-91)

Mathematics

Logic

Bidirectional Reflectance, Geological Surveys, Photometry, Radiometers, Remote Sensing, Spectra, Surface Properties, Airborne Equipment, Basalt, Extraction, Fluid Flow, Lava, Parabolas, Radiative Transfer

Scientific paper

The Geologic Remote Sensing Field Experiment (GRSFE) was conducted in July and September of 1989 to collect data with both ground and airborne instrumentation. A major objective of GRSFE was to collect data which could be used to test radiative transfer models for the extraction of composition and textural surface properties from remotely acquired data. Reported here are the initial results from an application of the Hapke photometric model, using data from the Portable Apparatus for Remote Acquisition of Bidirectional Observations of Land and Atmosphere (PARABOLA), a ground based radiometer with three spectral channels. PARABOLA data was collected in the Lunar Crater Volcanic Field in Nevada, specifically from the region of Lunar Lake, a playa. The Hapke model was found to be inadequate for three relatively common geologic surfaces (a clay-rich, hard packed surface with decimeter sized mudcracks; a cobble site, similar to a playa site, but strewn with basaltic cobbles and pebbles; and a surface mantled basalt lava flow). The model is not at fault; rather, the complexity of most geologic surfaces is not accounted for in the initial assumptions.

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