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The effects of water and ice on LIBS signals and the detection of water on Mars

Rauschenbach, Isabelle and Lazic, Violetta and Pavlov, Sergey and Hübers, Heinz-Wilhelm and Jessberger, Elmar (2008) The effects of water and ice on LIBS signals and the detection of water on Mars. In: 3rd European Planetary Science Congress 2008, EPSC2008-A-00061. Institute for Planetology of the Westfälische Wilhelms-Universität Münster. EPSC 2008 (Annual Congress), [2008-09-21 - 2008-09-26], Münster (Germany).

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Abstract

ExoMars, ESA’s upcoming mission to Mars will include Laser-induced Breakdown Spectroscopy (LIBS) to analyse the elemental composition of Martian surface materials in the temperature range from +20°C to -60°C. It had been inferred that water exists as ice layers, “crystal” water and absorbed pore water in the upper meters of the Martian surface at mid- and low latitudes. Hence, in LIBS analyses of Martian soils and rocks the presence of pore and adsorption water and their transformation into ice phases and vice-versa must be considered. Therefore, we have started systematic LIBS analyses of wet samples at variable surface temperatures. Here we present the results of our new studies on the behaviour of the LIBS signal from major elements and from water related hydrogen as a function of the sample temperature.

Document Type:Conference or Workshop Item (Poster)
Title:The effects of water and ice on LIBS signals and the detection of water on Mars
Authors:
AuthorsInstitution or Email of Authors
Rauschenbach, IsabelleInstitut für Planetologie, Westfälische Wilhelms-Universität Münster, Germany
Lazic, ViolettaENEA Frascati, FIS-LAS, Italy
Pavlov, SergeyUNSPECIFIED
Hübers, Heinz-WilhelmUNSPECIFIED
Jessberger, ElmarInstitut für Planetologie, Westfälische Wilhelms-Universität Münster, Germany
Date:September 2008
Journal or Publication Title:3rd European Planetary Science Congress 2008
Refereed publication:No
In ISI Web of Science:No
Page Range:EPSC2008-A-00061
Publisher:Institute for Planetology of the Westfälische Wilhelms-Universität Münster
Status:Published
Keywords:ExoMars, LIBS-Raman instrument, Mars
Event Title:EPSC 2008 (Annual Congress)
Event Location:Münster (Germany)
Event Type:international Conference
Event Dates:[2008-09-21 - 2008-09-26]
Organizer:European Planetary Netwook
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 Insitu Science (old)
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research > Terahertz and Infrared Sensors
Deposited By: Dr. Sergey Pavlov
Deposited On:25 Nov 2008
Last Modified:12 Dec 2013 20:33

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