This chart represents the results of detrending historical delta 14C data by removing long term secular variation. Raw data is depicted in paler blue, while the dark blue represents a weighted smoothing. In theory this results in the depiction of the 2,000 year Hallstadtzeit cycles.
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This figure was produced by Leland McInnes using gnuplot and is licensed under the GFDL. All data is from publicly available sources.
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This chart represents the results of ''detrending'' historical delta <sup>14</sup>C data by removing long term secular variation. Raw data is depicted in paler blue, while the dark blue represents a weighted smoothing. In theory this results in the depict
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