Ventilation changes in the western North Pacific since the last glacial period

Y. Okazaki, T. Sagawa, H. Asahi, K. Horikawa, J. Onodera

研究成果: Contribution to journalArticle査読

26 被引用数 (Scopus)

抄録

We reconstructed the ventilation record of deep water at 2100 m depth in the mid-latitude western North Pacific over the past 25 kyr from radiocarbon measurements of coexisting planktic and benthic foraminiferal shells in sediment with a high sedimentation rate. The 14C data on fragile and robust planktic foraminiferal shells were concordant with each other, ensuring high quality of the reconstructed ventilation record. The radiocarbon activity changes were consistent with the atmospheric record, suggesting that no massive mixing of old carbon from the abyssal reservoir occurred throughout the glacial to deglacial periods.

本文言語英語
ページ(範囲)17-24
ページ数8
ジャーナルClimate of the Past
8
1
DOI
出版ステータス出版済み - 2012
外部発表はい

All Science Journal Classification (ASJC) codes

  • 地球変動および惑星変動
  • 層序学
  • 古生物学

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