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Assessments for possible habitability in Martian polar environments: Fundaments based in ice screening of UV radiation
Centro de Astrobiología.
Planetary and Space Sciences Research Institute, The Open University, Walton Hall, Milton Keynes .
Centro de Astrobiología.ORCID iD: 0000-0002-4492-9650
British Antarctic Survey, High Cross, Madingley Road, Cambridge .
2004 (English)In: ESA SP, ISSN 0379-6566, E-ISSN 1609-0438, Vol. 545, 187-188 p.Article in journal (Refereed) Published
Abstract [en]

We present a study of the solar UV radiation in Martian high latitude environments covered by ice, where the UV propagation through the polar cover depends on the ice radiative properties (layers of H2O or CO 2 ice). But also we will investigate the changes in the subsurface UV levels induced by the seasonal variations of solar UV flux on the surface, as well as by the seasonal freezing-thawing and related CO2 sublimation processes. The biological dose relative to DNA-damage will be also estimated for biological implication assessments. All these studies will be compared with the biological dose received in the Antarctic snow-ice covered environment which is seasonally exposed to high UV radiation levels (formation of "ozone hole"), where the environmental conditions could be similar to those present on Mars

Place, publisher, year, edition, pages
2004. Vol. 545, 187-188 p.
National Category
Aerospace Engineering
Research subject
Atmospheric science
Identifiers
URN: urn:nbn:se:ltu:diva-66701Scopus ID: 2-s2.0-2342632610OAI: oai:DiVA.org:ltu-66701DiVA: diva2:1159354
Conference
3rd European Workshop on Exo-Astrobiology, Madrid, Spain, 18-20 November 2003
Available from: 2017-11-22 Created: 2017-11-22 Last updated: 2017-11-24Bibliographically approved

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