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Summary
DescriptionHemispheric 14C graphs 1950s to 2010.png
English: Graph of the level of atmospheric carbon from the 1950s to c. 2010. The percentages are % excess over the pre-1950 value.
Date
Source
Own work using:
Hua, Quan; Barbetti, Mike; Rakowski, Andrzej Z. (2013). "Atmospheric Radiocarbon for the Period 1950–2010". Radiocarbon. 55 (4): 2059–2072. doi:10.2458/azu_js_rc.v55i2.16177. ISSN 0033-8222.
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