A Sulfur Dioxide Climate Feedback on Early Mars

@article{Halevy2007ASD,
  title={A Sulfur Dioxide Climate Feedback on Early Mars},
  author={Itay Halevy and Maria T. Zuber and Daniel P. Schrag},
  journal={Science},
  year={2007},
  volume={318},
  pages={1903 - 1907}
}
  • Itay Halevy, Maria T. Zuber, Daniel P. Schrag
  • Published 2007
  • Environmental Science, Medicine
  • Science
  • Ancient Mars had liquid water on its surface and a CO2-rich atmosphere. Despite the implication that massive carbonate deposits should have formed, these have not been detected. On the basis of fundamental chemical and physical principles, we propose that climatic conditions enabling the existence of liquid water were maintained by appreciable atmospheric concentrations of volcanically degassed SO2 and H2S. The geochemistry resulting from equilibration of this atmosphere with the hydrological… CONTINUE READING

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