A gas chromatography/pyrolysis/isotope ratio mass spectrometry system for high-precision deltaD measurements of atmospheric methane extracted from ice cores.

@article{Bock2010AGC,
  title={A gas chromatography/pyrolysis/isotope ratio mass spectrometry system for high-precision deltaD measurements of atmospheric methane extracted from ice cores.},
  author={Michael Bock and Jochen Schmitt and Melanie K. Behrens and Lars C Moeller and Robert Schneider and C{\'e}lia Julia Sapart and Hubertus Fischer},
  journal={Rapid communications in mass spectrometry : RCM},
  year={2010},
  volume={24 5},
  pages={621-33}
}
Air enclosures in polar ice cores represent the only direct paleoatmospheric archive. Analysis of the entrapped air provides clues to the climate system of the past in decadal to centennial resolution. A wealth of information has been gained from measurements of concentrations of greenhouse gases; however, little is known about their isotopic composition. In particular, stable isotopologues (deltaD and delta(13)C) of methane (CH(4)) record valuable information on its global cycle as the… CONTINUE READING

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