Titov, D.V.(1) and Rosenqvist, J.(2) and Moroz, V.I.(1) and Grigoriev, A.V. (1) and Arnold, G. (1995) Evidences of the Regolith-Atmosphere Water Exchange on Mars from the ISM (Phobos-2) Infrared Spectrometer Observations. Advances in Space Research, 6, pp. 23-33. Pergamon, Oxford, UK.
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Abstract
The infrared imaging spectrometer (ISM) on board Phobos-2 spacecraft provided the most important and valuable data on the atmospheric water content on Mars in the post-Viking period. Some of the results of this experiment are likely to be the evidence of the existence of the regolith-atmosphere water vapour exchange. Release of the water molecules, stored in the regolith in the adsorbed phase, to the atmosphere, induced by the noon temperature rise can cause up to a factor of 3 increase in the atmospheric water amount above the areas with high adsorbing capabilities such as clay regolith. Much less, about 30%, increase is expected above the terrains, covered with basalt grains. Local time variations of atmospheric water amount, observed by ISM, are within these limits. The dependence of water vapour desorption rate on the regolith properties can result in the spatial variations of atmospheric water content above clay and basalt regions. This is assumed to be the reason of a factor 5+-2 increase in the atmospheric water mixing ratio, observed by ISM abovethe flanksof Martian volcanosas compared to the surrounding terrains.
Item URL in elib: | https://elib.dlr.de/35175/ | ||||||||||||||||||||||||
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Document Type: | Article | ||||||||||||||||||||||||
Additional Information: | LIDO-Berichtsjahr=1995, | ||||||||||||||||||||||||
Title: | Evidences of the Regolith-Atmosphere Water Exchange on Mars from the ISM (Phobos-2) Infrared Spectrometer Observations | ||||||||||||||||||||||||
Authors: |
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Date: | 1995 | ||||||||||||||||||||||||
Journal or Publication Title: | Advances in Space Research | ||||||||||||||||||||||||
Refereed publication: | Yes | ||||||||||||||||||||||||
Open Access: | No | ||||||||||||||||||||||||
Gold Open Access: | No | ||||||||||||||||||||||||
In SCOPUS: | No | ||||||||||||||||||||||||
In ISI Web of Science: | Yes | ||||||||||||||||||||||||
Volume: | 6 | ||||||||||||||||||||||||
Page Range: | pp. 23-33 | ||||||||||||||||||||||||
Publisher: | Pergamon, Oxford, UK | ||||||||||||||||||||||||
Series Name: | 16 | ||||||||||||||||||||||||
Status: | Published | ||||||||||||||||||||||||
Keywords: | Remote Sensing; Infrared Spectroscopy; Composition Analysis; Spectral Data Processing; Mars | ||||||||||||||||||||||||
HGF - Research field: | UNSPECIFIED | ||||||||||||||||||||||||
HGF - Program: | Space (old) | ||||||||||||||||||||||||
HGF - Program Themes: | W EW - Erforschung des Weltraums | ||||||||||||||||||||||||
DLR - Research area: | UNSPECIFIED | ||||||||||||||||||||||||
DLR - Program: | W EW - Erforschung des Weltraums | ||||||||||||||||||||||||
DLR - Research theme (Project): | UNSPECIFIED | ||||||||||||||||||||||||
Location: | Berlin-Adlershof | ||||||||||||||||||||||||
Institutes and Institutions: | Institute of Planetary Research > Institut für Planetenerkundung | ||||||||||||||||||||||||
Deposited By: | DLR-Beauftragter, elib | ||||||||||||||||||||||||
Deposited On: | 02 Apr 2006 | ||||||||||||||||||||||||
Last Modified: | 27 Apr 2009 09:48 |
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