5 Result(s)
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Timothy D. J. Knowles
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Article
Open AccessRadiocarbon evidence for the stability of polar ocean overturning during the Holocene
Proxy-based studies have linked the pre-industrial atmospheric \(p_{{\rm{CO}}_{2}}\) ...
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Article
Open AccessDirect 14C dating of equine products preserved in archaeological pottery vessels from Botai and Bestamak, Kazakhstan
Direct and accurate radiocarbon dating of lipid residues preserved in ceramics is a recently established method that allows direct dating of specific food products and their inception in human subsistence stra...
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Article
Open AccessTree-rings reveal two strong solar proton events in 7176 and 5259 BCE
The Sun sporadically produces eruptive events leading to intense fluxes of solar energetic particles (SEPs) that dramatically disrupt the near-Earth radiation environment. Such events have been directly studie...
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Article
Persistently well-ventilated intermediate-depth ocean through the last deglaciation
During the last deglaciation (~18–11 thousand years ago), existing radiocarbon (14C) reconstructions of intermediate waters in the mid- to low-latitude oceans show widely diverging trends, with some broadly track...
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Accurate compound-specific 14C dating of archaeological pottery vessels
Pottery is one of the most commonly recovered artefacts from archaeological sites. Despite more than a century of relative dating based on typology and seriation1, accurate dating of pottery using the radiocarbon...
