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A Search for Unconfined Fluvial Outflow Deposits on MarsFluvial processes have been active during a large portion of Martian history, as evidenced by a variety of erosional features, ranging from concentrations of small channels to scour features generated by floods that affected enormous areas on Mars. Most research efforts prior to Mars Global Surveyor (MGS) focused on channelized reaches since these were some of the most convincing fluvial features on the planet. Since MGS reached its planned mapping orbit in 1999, a new era of Mars exploration has been opened. The m-scale resolution of the Mars Orbiter Camera (MOC), the precise elevation measurements of the Mars Orbiter Laser Altimeter (MOLA), and the compositional constraints derived from the Thermal Emission Spectrometer (TES) allows one now to search for deposits as well as erosional landforms. Here we describe our initial efforts at a search for deposits on Mars where flow was no longer confined within a topographic channel. We are using both new MGS and existing Viking data, in conjunction with field results of fluvial deposits in unconfined reaches from central Australia and elsewhere as analogues for the deposit characteristics to search for on Mars. Additional information is contained in the original extended abstract.
Document ID
20010002519
Acquisition Source
Goddard Space Flight Center
Document Type
Conference Paper
Authors
Zimbelman, J. R.
(National Air and Space Museum Washington, DC United States)
Bourke, M. C.
(National Air and Space Museum Washington, DC United States)
Date Acquired
August 20, 2013
Publication Date
August 1, 2000
Publication Information
Publication: International Conference on Mars Polar Science and Exploration
Subject Category
Lunar And Planetary Science And Exploration
Funding Number(s)
CONTRACT_GRANT: NAG5-1234
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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