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Termination 1 timing in radiocarbon-dated regional benthic delta O-18 stacks ArchiMer
Stern, Joseph V.; Lisiecki, Lorraine E..
Benthic O-18 changes are often assumed to be globally synchronous, but studies comparing 2-9 radiocarbon-dated records over the most recent deglaciation (Termination 1) have proposed differences in the timing of benthic O-18 change between the Atlantic and Pacific, intermediate and deep, and North and South Atlantic. Because of the relatively small number of records used in these previous studies, it has remained unclear whether these differences are local or regional in scale. Here we present seven regional benthic O-18 stacks for 0-40 kyr B.P. that include 252 records with independent regional age models constrained by 852 planktonic foraminiferal C-14 dates from 61 of these cores. We find a 4000 year difference between the earliest termination onset in...
Tipo: Text Palavras-chave: Termination 1; Regional stacks; Benthic delta O-18; Radiocarbon.
Ano: 2014 URL:
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