Radiocarbon dating to calendar years

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Four zonal data sets of tropospheric bomb C ages is usually undertaken using a computer program. Examples of radiocarbon calibration for the traditional radiocarbon dating and the bomb-pulse dating are shown in Figs.

Several calibration programs are available on-line.

During this time the C level intermediate between these two reservoirs.

Each sample is prepared in the same way as for a micropalaeontological analysis.

These variations are due to changes in ocean circulation and the carbon cycles associated with climatic change.

Temporal variations in C was artificially produced when hundreds of nuclear test weapons were detonated in the atmosphere, mostly in the Northern Hemisphere, in the late 1950s and early 1960s.

The difference of the two curves (R) is ~400 yr on average.

Details An example of bomb-pulse radiocarbon dating of a terrestrial sample from Northern Hemisphere zone 1.

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