The chemical profiles of polar ice on earth and Mars - What we read from the first; what we could read from the second

Details The chemical profiles of polar ice on earth and Mars - What we read from the first; what we could read from the second The chemical profiles of polar ice on earth and Mars - What we read from the first; what we could read from the second

Apr 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991ssrv...56...43j&link_type=abstract

(Analysis of samples from solar system bodies with emphasis on existing and emerging technologies; Proceedings of the Internatio

Computer Science

Emerging Technologies

3

Chemical Composition, Earth (Planet), Glaciology, Mars (Planet), Polar Caps, Annual Variations, Atmospheric Composition, Ice, Planetary Cores, Planets, Terrestrial Planets, Earth, Mars, Ice, Polar Regions, Models, Chemistry, Comparisons, Analogs, Snow, Seasonal Variation, Climate, Hydrology, Age Dating, Water Ice, Dust, Layering, Metamorphism, Atmosphere, Physical Properties, Structure, Grain Size, History

Scientific paper

An analogy is drawn between the current knowledge on terrestrial snow and ice-cap chemistry and the possible composition of snowfall and ice caps of Mars. Terrestrial snowfall reflects the composition of the earth's atmosphere. By considering the present knowledge on the hydrologic cycle of Mars and the chemistry of the atmosphere, a simple analogous model for the chemical profile of the north polar ice cap is proposed. Three major constituents of the ice are discussed: water ice, dust, and occluded air bubbles. The seasonal fluctuations and interannual variability of these components are examined as possible chemical signatures for the dating of ice, elucidating hydrologic processes, and recording long-term climatic changes.

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