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Identification of Inorganic and Organic Inclusions in the Subglacial Antarctic Lake Vostok Ice with Raman Spectroscopy

Böttger, Ute and Bulat, S. and Hanke, Franziska and Pavlov, S. and Greiner-Bär, Michael and Hübers, Heinz-Wilhelm (2017) Identification of Inorganic and Organic Inclusions in the Subglacial Antarctic Lake Vostok Ice with Raman Spectroscopy. Journal of Raman Spectroscopy. Wiley. DOI: 10.1002/jrs.5142 ISSN 0377-0486

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Official URL: http://onlinelibrary.wiley.com/doi/10.1002/jrs.5142/full

Abstract

The investigation of inclusions entrapped into the accretion ice of the subglacial Lake Vostok in Antarctica gives an insight into former times of the Antarctic history. Terrestrial (of biological and geologically-mineralogical origin) as well as extraterrestrial (meteorites) materials are hermetically embedded in the Vostok ice core and provide information about the conditions and events on Earth existed/occurred during last million years. Confocal Raman spectroscopy is well suited for the analysis of the inclusions without melting the ice and, therefore, preventing undesirable contamination with present-day material. It is a nondestructive method for material identification with depth resolving capability. It permits a locally precise statement about the chemical-mineralogical composition and allows the context information preservation of several side by side inclusions. Here, we present first results of our Raman measurements of the inclusion embedded in the Lake Vostok ice sample 5G-3 3607-4 (3607 m depth). The results obtained confirm that Raman spectroscopy is a very useful method for the exploration of inclusions entrapped into lattice of any natural ice. As Raman spectroscopy is already planned to be applied in upcoming missions in space research (ExoMars, Mars 2020, to the icy moons) a co-operation of the space science community with the Antarctica-Lake Vostok community is suggested to test the space instrumentation under the extreme environment of the Central East Antarctica and conditions of the subglacial Lake Vostok.

Item URL in elib:https://elib.dlr.de/107971/
Document Type:Article
Title:Identification of Inorganic and Organic Inclusions in the Subglacial Antarctic Lake Vostok Ice with Raman Spectroscopy
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Böttger, Uteinstitut für optische sensorsysteme, dlr, berlinUNSPECIFIED
Bulat, S.Petersburg Nuclear Physics Institute, NRC KI, Leningrad region, Gatchina, RussiaUNSPECIFIED
Hanke, Franziskainstitut für optische sensorsysteme, dlr, berlinUNSPECIFIED
Pavlov, S.institut für optische sensorsysteme, dlr, berlinUNSPECIFIED
Greiner-Bär, Michaelinstitut für optische sensorsysteme, dlr, berlinUNSPECIFIED
Hübers, Heinz-Wilhelmdlr, institut für optische sensorsystemeUNSPECIFIED
Date:2017
Journal or Publication Title:Journal of Raman Spectroscopy
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
DOI :10.1002/jrs.5142
Publisher:Wiley
ISSN:0377-0486
Status:Published
Keywords:Raman spectroscopy on inclusions in ice, Vostok Lake ice, inclusions, space missions to icy moons
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):R - Vorhaben Exploration des Sonnensystems
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Optical Sensor Systems > Terahertz and Laser Spectroscopy
Deposited By: Böttger, Dr.rer.nat. Ute
Deposited On:24 Feb 2017 10:53
Last Modified:08 Mar 2018 18:45

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