Evolution of the martian surface pressue

Implications for the planet arty surface environment

U. V. Amerstorfer, H. Lammer, T. Tokano, F. Selsis, C. Kolb, A. Bérces, G. Kovács, M. R. Patel, C. S. Cockell, G. Rontó, T. Penz, N. Erkaev, H. K. Biernat

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

The evolution of the Martian surface pressure is important in respect to long-time stability of liquid water during the planets history. Further, due to a denser humid CO2 atmosphere, photochemical processes may produce a protecting O3 layer for organic matter and UV based reactions on Martian minerals. The time variation of the surface pressure is influenced by atmospheric loss processes of heavy neutral and ionized particles like molecular CO and CO2 or other atomic constituents caused by the solar wind interaction with atmospheric constituents above the Martian ionopause, as well as photochemical processes and chemical weathering with the surface. We present preliminary results, which focus on atmospheric erosion processes for determining the time-evolution of equivalent partial pressures of O, CO, and CO2 and the total Martian surface pressure. Further we discuss also the implications for the planetary surface environment and exobiology.

Original languageEnglish
Title of host publicationEuropean Space Agency, (Special Publication) ESA SP
Pages165-166
Number of pages2
Edition545
Publication statusPublished - Mar 2004
EventProceedings of the III European Workshop on Exo-Astrobiology - Madrid, Spain
Duration: Nov 18 2003Nov 20 2003

Other

OtherProceedings of the III European Workshop on Exo-Astrobiology
CountrySpain
CityMadrid
Period11/18/0311/20/03

Fingerprint

Planets
Astrobiology
Solar wind
Beam plasma interactions
Weathering
Partial pressure
Biological materials
Erosion
Minerals
History
Liquids
Water

ASJC Scopus subject areas

  • Aerospace Engineering

Cite this

Amerstorfer, U. V., Lammer, H., Tokano, T., Selsis, F., Kolb, C., Bérces, A., ... Biernat, H. K. (2004). Evolution of the martian surface pressue: Implications for the planet arty surface environment. In European Space Agency, (Special Publication) ESA SP (545 ed., pp. 165-166)

Evolution of the martian surface pressue : Implications for the planet arty surface environment. / Amerstorfer, U. V.; Lammer, H.; Tokano, T.; Selsis, F.; Kolb, C.; Bérces, A.; Kovács, G.; Patel, M. R.; Cockell, C. S.; Rontó, G.; Penz, T.; Erkaev, N.; Biernat, H. K.

European Space Agency, (Special Publication) ESA SP. 545. ed. 2004. p. 165-166.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Amerstorfer, UV, Lammer, H, Tokano, T, Selsis, F, Kolb, C, Bérces, A, Kovács, G, Patel, MR, Cockell, CS, Rontó, G, Penz, T, Erkaev, N & Biernat, HK 2004, Evolution of the martian surface pressue: Implications for the planet arty surface environment. in European Space Agency, (Special Publication) ESA SP. 545 edn, pp. 165-166, Proceedings of the III European Workshop on Exo-Astrobiology, Madrid, Spain, 11/18/03.
Amerstorfer UV, Lammer H, Tokano T, Selsis F, Kolb C, Bérces A et al. Evolution of the martian surface pressue: Implications for the planet arty surface environment. In European Space Agency, (Special Publication) ESA SP. 545 ed. 2004. p. 165-166
Amerstorfer, U. V. ; Lammer, H. ; Tokano, T. ; Selsis, F. ; Kolb, C. ; Bérces, A. ; Kovács, G. ; Patel, M. R. ; Cockell, C. S. ; Rontó, G. ; Penz, T. ; Erkaev, N. ; Biernat, H. K. / Evolution of the martian surface pressue : Implications for the planet arty surface environment. European Space Agency, (Special Publication) ESA SP. 545. ed. 2004. pp. 165-166
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