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  • Some mecanisms of climatic changes induced by encounters of solar system with an interstellar cloud in Evolution des atmosphères planétaires et climatologie de la terre=Evolution of planetary atmospheres and climatology of the earth.
  • Some evolution and stability trends deduced from energy and water vapor balance models in Evolution des atmosphères planétaires et climatologie de la terre=Evolution of planetary atmospheres and climatology of the earth.
  • Early analyses have not been used frequently in attempts to find changes in the trace composition of the atmosphere. In the case of rainfall analyses records stretch back more than 100 years at some sites, and a long record at Rothamsted in England
  • distinguished otherwise, on the basis of different data, in Europe and in the northern hemisphere. Some discrepancies might be due to the particular location of the site at the confluence of mediterranean, atlantic and continental influences (latitude 4303 north
  • in temperature and in partial pressure. If the present model holds it seems possible to find variations of some percents in partial pressure of CO during the past for ice sheets until 1000m of depth.