Carbon dating uncertainty

Holding that trend stable while allowing the synthetic archaeological series to fluctuate around it increased the chances that the two would align by chance. To the best of our knowledge, the PEWMA method has only been used to analyze past human-environment interaction in one study [ 18 ]. This function was chosen to simulate an environmental process that increased gently over the year period of the series—i. Archaeological and palaeoenvironmental time-series typically have both traits [ 389 ]. Contamination is of particular concern when dating very old material obtained from archaeological excavations and great care is needed in the specimen selection and preparation. The conflict events include mentions of violent attacks, captive taking, human sacrifices, deliberate destruction of monuments, and large coordinated attacks timed to coincide with astronomical events [ 2122 ].

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Overall, the mixing of deep and surface waters takes far longer than the mixing of atmospheric CO 2 with the surface waters, and as a result water from some deep ocean areas has an apparent radiocarbon age of several thousand years.

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Radiocarbon dating

Data Availability All relevant data are within the paper and its Supporting Information file. Published online Jan Thus, failing to find a relationship could suggest that there was no important relationship to find. Humanity has a method to establish peat chronologies. This formula is a small sample size-corrected version of the AIC, which is generally appropriate for archaeological research given the small numbers of observations typical of archaeological time-series. Spending resources on more dates would likely make little difference in the results.

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