Ocean science: Radiocarbon variability in the western North Atlantic during the last deglaciation
Science
By: L.F. Robinson, J.F. Adkins, L.D. Keigwin, J. Southon, D. P. Fernandez, S.-L. Wang, and D.S. Scheirer
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Abstract
We present a detailed history of glacial to Holocene radiocarbon in the deep western North Atlantic from deep-sea corals and paired benthic-planktonic foraminifera. The deglaciation is marked by switches between radiocarbon-enriched and -depleted waters, leading to large radiocarbon gradients in the water column. These changes played an important role in modulating atmospheric radiocarbon. The deep-ocean record supports the notion of a bipolar seesaw with increased Northern-source deep-water formation linked to Northern Hemisphere warming and the reverse. In contrast, the more frequent radiocarbon variations in the intermediate/deep ocean are associated with roughly synchronous changes at the poles.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Ocean science: Radiocarbon variability in the western North Atlantic during the last deglaciation |
| Series title | Science |
| DOI | 10.1126/science.1114832 |
| Volume | 310 |
| Issue | 5753 |
| Year Published | 2005 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Science |
| First page | 1469 |
| Last page | 1473 |
| Google Analytic Metrics | Metrics page |