New methodology for spectral analyses at high spatial resolution - an example through the investigation of the Mare Humorum region of the moon

Details New methodology for spectral analyses at high spatial resolution - an example through the investigation of the Mare Humorum region of the moon New methodology for spectral analyses at high spatial resolution - an example through the investigation of the Mare Humorum region of the moon

Mar 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997lpi....28..877m&link_type=abstract

Conference Paper, 28th Annual Lunar and Planetary Science Conference, p. 877.

Mathematics

Logic

Spectral Methods, Spatial Resolution, Lunar Surface, Multispectral Photography, Data Processing, Volcanoes, Ejecta

Scientific paper

Increasing spatial resolution in remote sensing of the planetary surfaces imply to take into account, for the processing and analysis, the complex information that is provided with the recent or future hyperspectral datasets. We have established a new methodology for the analysis of Clementine data, and tested it in the case of Mare Humorum. An extended (600 x 450 km) multispectral mosaic has been built from the Clementine UV/VIS data, with a high spatial resolution (340 m) coverage. Several spectral analyses allowed us to deconvolve the compositional properties (iron abundance) from the effects of soil maturity, to derive the Ti content of the mare units, and to establish a first-order evaluation of the surface mineralogy in the studied region. In addition, the combination of the results issued from an iterative spectral mixture modeling with the geologic and topographic information has led us to some inferences concerning the emplacement and evolution of the identified units, the contamination of these units by volcanic intrusions or ejecta deposits, as well as the heterogeneities of the lunar crust in relation with the basin formation.

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