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Influence of surface morphology on the mid-infrared spectra of minerals and rocks

Arnold, G. (1993) Influence of surface morphology on the mid-infrared spectra of minerals and rocks. In: Remote sensing implications. Conference "Planetology and the Origins of Life", Paris, 13-16 September, 1993.

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Abstract

The surface morphology of most of the airless planetary objects is characterized by the covering of a regolith blanket. Particle size, grain shape, particle size distribution, the degree of covering and porosity of this fine-grained material have a strong influence on thethermal troughput and the spectral behavior in the mid-infrared. Laboratory spectral emittance of particulate minerals was measured atwavelengths from 5 to 25 m to study the variation of diagnostic features with particle size and packing density. The experiments showed that in spectra of mineral powders with small grain sizes weakovertone and combination tone bands increasingly important for the identification of minerals instead of the vanishing fundamentals. Thechances for compositional analysis and complications in remote sensing aspplications are discussed.

Document Type:Conference or Workshop Item (Speech)
Additional Information: LIDO-Berichtsjahr=1993,
Title:Influence of surface morphology on the mid-infrared spectra of minerals and rocks
Authors:
AuthorsInstitution or Email of Authors
Arnold, G.UNSPECIFIED
Date:1993
Journal or Publication Title:Remote sensing implications
Status:Published
Event Title:Conference "Planetology and the Origins of Life", Paris, 13-16 September, 1993
HGF - Research field:UNSPECIFIED
HGF - Program:other
HGF - Program Themes:other
DLR - Research area:UNSPECIFIED
DLR - Program:no assignment
DLR - Research theme (Project):UNSPECIFIED
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research > Institut für Planetenerkundung
Deposited By: elib DLR-Beauftragter
Deposited On:02 Apr 2006
Last Modified:27 Apr 2009 09:45

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