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Interior channels in Martian valleys: Constraints on fluvial erosion by measurements of the Mars Express High Resolution Stereo Camera

Jaumann, R. and Reiss, D. and Frei, S. and Neukum, G. and Scholten, F. and Gwinner, K. and Roatsch, T. and Matz, K.-D. and Mertens, V. and Hauber, E. and Hoffmann, H. and Köhler, U. and Head, J.W. and Hiesinger, H. and Carr, M.H. (2005) Interior channels in Martian valleys: Constraints on fluvial erosion by measurements of the Mars Express High Resolution Stereo Camera. Geophysical Research Letters, 32, L16203-doi:10.1029/2005GL023415.

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Abstract

In High Resolution Stereo Camera (HRSC) images of the Mars Express Mission a 130 km long interior channel is identified within a 400 km long valley network system located in the Lybia Montes. Ages of the valley floor and the surroundings as derived from crater counts define a period of ~350 Myrs during which the valley might have been formed. Based on HRSC stereo measurements the discharge of the interior channel is estimated at ~4800 m3/s, corresponding to a runoff production rate of ~1 cm/day. Mass balances indicate erosion rates of a few cm/year implying the erosion activity in the valley to a few thousand years for continuous flow, or one or more orders of magnitude longer time spans for more intermittent flows. Therefore, during the Hesperian, relatively brief but recurring episodes of erosion intervals are more likely than sustained flow.

Item URL in elib:https://elib.dlr.de/18851/
Document Type:Article
Additional Information: LIDO-Berichtsjahr=2005,
Title:Interior channels in Martian valleys: Constraints on fluvial erosion by measurements of the Mars Express High Resolution Stereo Camera
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Jaumann, R.UNSPECIFIEDUNSPECIFIED
Reiss, D.UNSPECIFIEDUNSPECIFIED
Frei, S.UNSPECIFIEDUNSPECIFIED
Neukum, G.Institute for Geosciences, Freie Universität, Berlin, GermanyUNSPECIFIED
Scholten, F.UNSPECIFIEDUNSPECIFIED
Gwinner, K.UNSPECIFIEDUNSPECIFIED
Roatsch, T.UNSPECIFIEDUNSPECIFIED
Matz, K.-D.UNSPECIFIEDUNSPECIFIED
Mertens, V.UNSPECIFIEDUNSPECIFIED
Hauber, E.UNSPECIFIEDUNSPECIFIED
Hoffmann, H.UNSPECIFIEDUNSPECIFIED
Köhler, U.UNSPECIFIEDUNSPECIFIED
Head, J.W.Department of Geological Sciences, Brown University, Providence, RI, USAUNSPECIFIED
Hiesinger, H.Department of Geological Sciences, Brown University, Providence, RI, USAUNSPECIFIED
Carr, M.H.U.S. Geological Survey, Menlo Park, CA, USAUNSPECIFIED
Date:2005
Journal or Publication Title:Geophysical Research Letters
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:Yes
Volume:32
Page Range:L16203-doi:10.1029/2005GL023415
Status:Published
Keywords:Planetary Sciences: Solid Surface Planets: Erosion and weathering, Hydrology and fluvial processes, 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):UNSPECIFIED
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research
Deposited By: Pieth, Susanne
Deposited On:13 Dec 2005
Last Modified:14 Jan 2010 19:51

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