Keywords: Atmospheric radiocarbon 1954-1993.svg An improved version of this plot is available as Image Radiocarbon bomb spike svg gnuplotted data of atmospheric radiocarbon in Wellington New Zealand 1954AD to 1993AD The SVG file from gnuplot has been improved manually ;Data source Manning M R and W H Melhuish 1994 Atmospheric 14C record from Wellington In Trends A Compendium of Data on Global Change Carbon Dioxide Information Analysis Center Oak Ridge National Laboratory U S Department of Energy Oak Ridge Tenn U S A ;URL http //gcmd gsfc nasa gov/records/GCMD_CDIAC_C14_WELLINGTON html http //cdiac esd ornl gov/trends/co2/welling htm All rights for generating the graphics shall be released As far as I know there is no copyright protection on measurement data in general Gnuplot diagrams Carbon-14 |