Trace gas transport in the subsurface of Mars

Stevens, A. H.; Patel, M. R.; Lewis, S. R.; Ringrose, T. J. and Leese, M. R. (2013). Trace gas transport in the subsurface of Mars. In: EPSC 2013, 08-13 Sep 2013, UCL, London.

URL: http://meetingorganizer.copernicus.org/EPSC2013/EP...

Abstract

The ExoMars Trace Gas Orbiter (TGO) will have the capability of detecting and characterizing a broad suite of trace gases in the atmosphere of Mars. Interpreting the results of this mission will require an understanding of how these trace gases are transported from their sources, which may be deep underground, to the atmosphere. Here we present results of modeling designed to measure the timescales of release from putative subsurface methane sources. These transport timescales are far longer than mixing times in the atmosphere and could be up to 10 million years.

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