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3 results

  • 14CH4 Emissions from Nuclear Power Plants in Northwestern Europe

  • Roos Eisma, Alex T. Vermeulen, Klaas Van Der Borg
  • Journal:
    Radiocarbon / Volume 37 / Issue 2 / 1995
    Published online by Cambridge University Press:
    18 July 2016, pp. 475-483
    Print publication:
    1995
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  • We measured the 14C content of atmospheric methane at a 200-m-high sampling station in The Netherlands. Combined with trajectories and a transport model, it is possible to estimate the 14CH4 emissions from nuclear power plants in northwestern Europe. We demonstrate here two different methods of analyzing the data: forward modeling and an inverse method. Our data suggest that the emissions from pressurized water reactors are 260 ± 50 GBq per GW installed power per year, ca. 1.6 ± 0.4 times higher than generally assumed. We also find that, in addition to the known nuclear sources of 14CH4 (pressurized and boiling water reactors), there are two very strong sources of 14CH4 (520 ± 200 and 1850 ± 450 GBq yr−1, respectively), probably two test reactors near the sampling station.