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Analysis of the MESSENGER MASCS photometric targets part II: Photometric variability between geomorphological units

Domingue, Deborah L. and D'Amore, Mario and Ferrari, Sabrina and Helbert, Jörn and Izenberg, Noam R. (2019) Analysis of the MESSENGER MASCS photometric targets part II: Photometric variability between geomorphological units. Icarus, 319, pp. 140-246. Elsevier. DOI: 10.1016/j.icarus.2018.07.018 ISSN 0019-1035

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Abstract

This study examines the level of structural uniformity within Mercury's regolith as a function of geomorphological unit. Using two categories of photometric models (Hapke versus Kaasalainen-Shkuratov), the variation between and within similar geomorphological units are examined with the Mercury Atmosphere and Surface Composition Spectrometer (MASCS) photometry sequence data sets. The results show evidence for variations in the spectral and photometric scattering properties both within similar geomorphological units and between different geomorphological units. The ejecta and cratering units show the largest differences between the modeling results, each indicating variations in different properties. The results for the intercrater materials, smooth materials, and dark materials show consistent results between both models. The variations include possible differences in grain structures, regolith compaction, and surface roughness on micron to millimeter scales.

Item URL in elib:https://elib.dlr.de/131698/
Document Type:Article
Title:Analysis of the MESSENGER MASCS photometric targets part II: Photometric variability between geomorphological units
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Domingue, Deborah L.Planetary Science Institute, Tucson, AZUNSPECIFIED
D'Amore, MarioMario.DAmore (at) dlr.dehttps://orcid.org/0000-0001-9325-6889
Ferrari, Sabrinasabrina.ferrari (at) dlr.deUNSPECIFIED
Helbert, JörnJoern.Helbert (at) dlr.dehttps://orcid.org/0000-0001-5346-9505
Izenberg, Noam R.The Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA.UNSPECIFIED
Date:2019
Journal or Publication Title:Icarus
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:319
DOI :10.1016/j.icarus.2018.07.018
Page Range:pp. 140-246
Publisher:Elsevier
ISSN:0019-1035
Status:Published
Keywords:MESSENGER, MASCS, photometry,variability, geomorphological units
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Science and Exploration
DLR - Research area:Raumfahrt
DLR - Program:R EW - Erforschung des Weltraums
DLR - Research theme (Project):Projekt BepiColombo MERTIS und BELA
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research > Leitungsbereich PF
Deposited By: Amore, Dr. Mario
Deposited On:04 Dec 2019 12:17
Last Modified:04 Dec 2019 12:17

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