The ultraviolet environment of Mars: biological implications past, present, and future.

@article{Cockell2000TheUE,
  title={The ultraviolet environment of Mars: biological implications past, present, and future.},
  author={Charles S. Cockell and David C. Catling and Wanda L. Davis and Laura K. Snook and Raymond Kepner and P. Z. Lee and Christopher P McKay},
  journal={Icarus},
  year={2000},
  volume={146 2},
  pages={
          343-59
        }
}
A radiative transfer model is used to quantitatively investigate aspects of the martian ultraviolet radiation environment, past and present. Biological action spectra for DNA inactivation and chloroplast (photosystem) inhibition are used to estimate biologically effective irradiances for the martian surface under cloudless skies. Over time Mars has probably experienced an increasingly inhospitable photobiological environment, with present instantaneous DNA weighted irradiances 3.5-fold higher… CONTINUE READING

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