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Three types of liquid water in icy surfaces of celestial bodies

Möhlmann, D. (2011) Three types of liquid water in icy surfaces of celestial bodies. Planetary and Space Science, 59, pp. 1082-1086. Elsevier. doi: 10.1016/j.pss.2010.09.005. ISSN 0032-0633.

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It is shown that, at temperatures far below the triple point and under appropriate conditions, liquid water can stably or temporarily exist in upper ice-covered surfaces of planetary bodies (like Mars) in three different types: (i) undercooled interfacial water (due to freezing point depression by van der Waals forces and “premelting”), (ii) water in brines (due to freezing point depression in solutions), and (iii) sub-surface melt water (due to a solid-state greenhouse effect driven heating). The physics behind and the related conditions for these liquid waters to evolve and to exist, and possibly related consequences, are discussed. These calculations are mainly made in view of the possible presence of these sub-surface liquids in the upper surface of the present Mars.

Item URL in elib:https://elib.dlr.de/69874/
Document Type:Article
Additional Information:Bisher nur online erschienen.
Title:Three types of liquid water in icy surfaces of celestial bodies
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Möhlmann, D.dirk.moehlmann (at) dlr.deUNSPECIFIED
Journal or Publication Title:Planetary and Space Science
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
DOI :10.1016/j.pss.2010.09.005
Page Range:pp. 1082-1086
Keywords:Ice, Premelting, Brines, Solid-sate greenhouse effect, Mars
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:22 Jun 2011 11:34
Last Modified:26 Mar 2013 13:29

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