Response comment: Carbon sequestration on Mars
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Abstract
Martian atmospheric pressure has important implications for the past and present habitability of the planet, including the timing and causes of environmental change. The ancient Martian surface is strewn with evidence for early water bound in minerals (e.g., Ehlmann and Edwards, 2014) and recorded in surface features such as large catastrophically created outflow channels (e.g., Carr, 1979), valley networks (Hynek et al., 2010; Irwin et al., 2005), and crater lakes (e.g., Fassett and Head, 2008). Using orbital spectral data sets coupled with geologic maps and a set of numerical spectral analysis models, Edwards and Ehlmann (2015) constrained the amount of atmospheric sequestration in early Martian rocks and found that the majority of this sequestration occurred prior to the formation of the early Hesperian/late Noachian valley networks (Fassett and Head, 2011; Hynek et al., 2010), thus implying the atmosphere was already thin by the time these surface-water-related features were formed.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Response comment: Carbon sequestration on Mars |
| Series title | Geology |
| DOI | 10.1130/G37984Y.1 |
| Volume | 44 |
| Issue | 6 |
| Year Published | 2016 |
| Language | English |
| Publisher | Geological Society of America |
| Publisher location | Boulder, CO |
| Contributing office(s) | Astrogeology Science Center |
| Description | e389; 1 p. |
| Other Geospatial | Mars |
| Google Analytic Metrics | Metrics page |