Origin and evolution of planetary atmospheres - an introduction to the problem

Details Origin and evolution of planetary atmospheres - an introduction to the problem Origin and evolution of planetary atmospheres - an introduction to the problem

Aug 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982p%26ss...30..741p&link_type=abstract

(IAU, IAMAP, and COSPAR, Joint Meeting on the Origin and Evolution of Planetary Atmospheres, Hamburg, West Germany, Aug. 17, 18,

Mathematics

Logic

8

Chemical Composition, Outgassing, Planetary Atmospheres, Planetary Evolution, Astronomical Models, Atmospheric Composition, Chemical Evolution, Interstellar Gas, Planetary Mass, Planetary Temperature, Protoplanets, Solar Corona, Volatility

Scientific paper

The origins of terrestrial-type atmospheres are thought to have involved outgassing of the solid planet, with compositions and rates intimately connected to the late growth and thermal evolution of the planet itself. Subsequent evolutionary processes, such as the escape of certain light elements and cometary and meteoritic infall, are seen as being of general significance; others, such as atmosphere-hydrosphere-crust interactions and the development and influence of living organisms, are highly specific. Knowledge of these highly specific areas is largely restricted to the last 3.8 billion years on earth and is based on analyses of the geologic record. An attempt is made here to draw an integrated picture of the atmospheric evolutionary process, being careful to define the outstanding problems, to differentiate theory from fact, and to emphasize the strengths and weaknesses of a priori and a posteriori approaches to these problems.

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