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Inner Channels in Martian Valleys: First Results from High Resolution Stereo Camera (HRSC) images

Jaumann, R. and Reiss, D. and Frei, S. and Scholten, F. and Gwinner, K. and Hauber, E. and Neukum, G. and HRSC Co-Investigator Team, (2004) Inner Channels in Martian Valleys: First Results from High Resolution Stereo Camera (HRSC) images. European Geosciences Union, 1st General Assembly, Nice, France, 25 - 30 April 2004.

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Abstract

Inner channels are the best evidence found of sustained fluid flow on Mars. The first inner channels have been observed in high-resolution MOC imagery in Nanedi and Nirgal Vallis. These channels have widths between 50 m to 150 m, but only small parts of the channel lengths of a few kilometer are covered by MOC. New inner channels have been obseserved in the image data of the High Resolution Stereo Camera (HRSC) onbord of Mars Express in Libya Montes, south of Isidis Planitia (0°-5°N and 82°E and 90°E). The great advantage of the HRSC-images is the large covering of the surface in one image (50 km x ~1500 km) in combination with a high resolution of 12 m/pxl, and the additional stereo imaging. This gives us the opportunity to retrack inner channels over a long distance. The channels are located in kilometer broad valley networks and have an average width of about 150 m with observable lengths up to 130 km. They show meandering patterns, are sometimes interrupted and age relations can be seen by superimposed craters.

Item URL in elib:https://elib.dlr.de/10958/
Document Type:Conference or Workshop Item (Speech)
Additional Information: LIDO-Berichtsjahr=2004,
Title:Inner Channels in Martian Valleys: First Results from High Resolution Stereo Camera (HRSC) images
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Jaumann, R.UNSPECIFIEDUNSPECIFIED
Reiss, D.UNSPECIFIEDUNSPECIFIED
Frei, S.UNSPECIFIEDUNSPECIFIED
Scholten, F.UNSPECIFIEDUNSPECIFIED
Gwinner, K.UNSPECIFIEDUNSPECIFIED
Hauber, E.UNSPECIFIEDUNSPECIFIED
Neukum, G.Institute of Geosciences, Department of Earth Sciences, Freie Universitaet Berlin, GermanyUNSPECIFIED
HRSC Co-Investigator Team, UNSPECIFIEDUNSPECIFIED
Date:2004
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Volume:6
Page Range:07931-
Series Name:Geophysical Research Abstracts
Status:Published
Event Title:European Geosciences Union, 1st General Assembly, Nice, France, 25 - 30 April 2004
Event Type:international Conference
Organizer:EGU
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):UNSPECIFIED
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research
Deposited By: Pieth, Susanne
Deposited On:16 Sep 2005
Last Modified:14 Jan 2010 16:34

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