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Viscous liquid film flow on dune slopes of Mars

Möhlmann, Diedrich and Kereszturi, Akos (2010) Viscous liquid film flow on dune slopes of Mars. Icarus: International Journal of Solar System Studies, 207, pp. 654-658. Elsevier. DOI: 10.1016/j.icarus2010.01.002 ISSN 0019-1035

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It is shown that viscous liquid film flow (VLF-flow) on the surface of slopes of martian dunes ca be a low-temperature rheological phenomenon active today on high latitudes. A quantitative model indicates that the VLF-flows are consistent with the flow of liquid brines similar to that observed by imaging at the Phoenix landing site. VLF-flows depend on the viscosity, dynamics, and energetics of temporary darkened liquid brines. The darkening of the flowing brine is possibley, at least partially, attributed to non-volatile ingredients of the liquid brines. Evidence of previous VLF-flows can also be seen on the dunes, suggesting that it is an ongoing process that also occured in the recent past.

Item URL in elib:https://elib.dlr.de/65663/
Document Type:Article
Title:Viscous liquid film flow on dune slopes of Mars
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Möhlmann, Diedrichdirk.moehlmann (at) dlr.deUNSPECIFIED
Kereszturi, AkosCollegium Budapest, Institut for Advanced Study, Budapest, HungaryUNSPECIFIED
Journal or Publication Title:Icarus: International Journal of Solar System Studies
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
DOI :10.1016/j.icarus2010.01.002
Page Range:pp. 654-658
Keywords:Mars, Ices, polar caps
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EW - Erforschung des Weltraums
DLR - Research area:Space
DLR - Program:W EW - Erforschung des Weltraums
DLR - Research theme (Project):W - Vorhaben Planetenforschung (old)
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research
Deposited By: Pieth, Susanne
Deposited On:12 Oct 2010 14:26
Last Modified:10 Jan 2019 15:47

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