The remarkable metrological history of radiocarbon dating [II]
- National Inst. of Standards and Technology (NIST), Gaithersburg, MD (United States)
This article traces the metrological history of radiocarbon, from the initial breakthrough devised by Libby, to minor (evolutionary) and major (revolutionary) advances that have brought 14C measurement from a crude, bulk [8 g carbon] dating tool, to a refined probe for dating tiny amounts of precious artifacts, and for “molecular dating” at the 10 µg to 100 µg level. The metrological advances led to opportunities and surprises, such as the non-monotonic dendrochronological calibration curve and the “bomb effect,” that gave rise to new multidisciplinary areas of application, ranging from archaeology and anthropology to cosmic ray physics to oceanography to apportionment of anthropogenic pollutants to the reconstruction of environmental history. Beyond the specific topic of natural 14C, it is hoped that this account may serve as a metaphor for young scientists, illustrating that just when a scientific discipline may appear to be approaching maturity, unanticipated metrological advances in their own chosen fields, and unanticipated anthropogenic or natural chemical events in the environment, can spawn new areas of research having exciting theoretical and practical implications.
- Research Organization:
- National Inst. of Standards and Technology (NIST), Gaithersburg, MD (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC)
- OSTI ID:
- 1628754
- Journal Information:
- Journal of Research of the National Institute of Standards and Technology, Vol. 109, Issue 2; ISSN 1044-677X
- Publisher:
- National Institute of Standards (NIST)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
Instruments & Instrumentation
Physics
accelerator mass spectrometry
apportionment of fossil and biomass carbon
“bomb” 14C as a global tracer
dual isotopic authentication
metrological history
molecular dating
radiocarbon dating
the Turin Shroud
SRM 1649a