High-precision determination of the changing isotopic composition of atmospheric N 2 O from 1990 to 2002

@inproceedings{Rckmann2005HighprecisionDO,
  title={High-precision determination of the changing isotopic composition of atmospheric N 2 O from 1990 to 2002},
  author={Thomas R{\"o}ckmann},
  year={2005}
}
[1] High-precision nitrous oxide (N2O) concentration and isotope ratio measurements have been carried out on archived air samples from the Antarctic station Neumayer covering the period 1990–2002. The results show that the increase in the N2O mixing ratio over this period is accompanied by a significant decrease in the heavy isotope content. The temporal isotope trends amount to ( 0.040 ± 0.003)%/yr for dN (the average of both nitrogen positions) and ( 0.021 ± 0.003)%/yr for dO. The individual… CONTINUE READING

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