Deepwater Formation in the North Pacific During the Last Glacial Termination

Y. Okazaki, A. Timmermann, L. Menviel, N. Harada, A. Abe-Ouchi, M. O. Chikamoto, A. Mouchet, H. Asahi

研究成果: Contribution to journalArticle査読

181 被引用数 (Scopus)

抄録

Between 17,500 and 15,000 years ago, the Atlantic meridional overturning circulation weakened substantially in response to meltwater discharges from disintegrating Northern Hemispheric glacial ice sheets. The global effects of this reorganization of poleward heat flow in the North Atlantic extended to Antarctica and the North Pacific. Here we present evidence from North Pacific paleo surface proxy data, a compilation of marine radiocarbon age ventilation records, and global climate model simulations to suggest that during the early stages of the Last Glacial Termination, deep water extending to a depth of ~2500 to 3000 meters was formed in the North Pacific. A switch of deepwater formation between the North Atlantic and the North Pacific played a key role in regulating poleward oceanic heat transport during the Last Glacial Termination.

本文言語英語
ページ(範囲)200-204
ページ数5
ジャーナルScience
329
5988
DOI
出版ステータス出版済み - 7 9 2010
外部発表はい

All Science Journal Classification (ASJC) codes

  • General

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