Temporal Relationships of Carbon Cycling and Ocean Circulation at Glacial Boundaries
Top Cited Papers
- 25 March 2005
- journal article
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 307 (5717) , 1933-1938
- https://doi.org/10.1126/science.1104883
Abstract
Evidence from high-sedimentation-rate South Atlantic deep-sea cores indicates that global and Southern Ocean carbon budget shifts preceded thermohaline circulation changes during the last ice age initiation and termination and that these were preceded by ice-sheet growth and retreat, respectively. No consistent lead-lag relationships are observed during abrupt millennial warming events during the last ice age, allowing for the possibility that ocean circulation triggered some millenial climate changes. At the major glacial-interglacial transitions, the global carbon budget and thermohaline ocean circulation responded sequentially to the climate changes that forced the growth and decline of continental ice sheets.Keywords
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