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Radiocarbon Date calculation
Bp carbon dating. Bp by accelerator mass. While handling the radiocarbon ages and potential pogenic. Nitrogen atoms high in the.
Bp radiocarbon dating
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Before Present BP years is a time scale used mainly in archaeology , geology and other scientific disciplines to specify when events occurred in the past. Because the "present" time changes, standard practice is to use 1 January as the commencement date of the age scale, reflecting the origin of practical radiocarbon dating in the s. The abbreviation "BP" has alternatively been interpreted as "Before Physics";  that is, before nuclear weapons testing artificially altered the proportion of the carbon isotopes in the atmosphere, making dating after that time likely to be unreliable. In a convention that is not always observed, many sources restrict the use of BP dates to those produced with radiocarbon dating.