Mid-Holocene sea-surface temperature reconstruction using fossil corals from Kume Island, Ryukyu, Japan

Arisa Seki, Yusuke Yokoyama, Yuta Kawakubo, Yosuke Miyairi, Arisa Seki, Yusuke Yokoyama, Yuta Kawakubo, Yusuke Yokoyama, Atsushi Suzuki, Takashi Okai, Hiroyuki Matsuzaki, Naoko Namizaki, Hironobu Kan, Hironobu Kan

研究成果: ジャーナルへの寄稿学術誌査読

13 被引用数 (Scopus)

抄録

The relative warmth and stability of the Holocene was punctuated by several brief cold events. Whereas these cold events on a global scale are widely reported, the lack of records from regions such as the East China Sea (ECS) results in an incomplete understanding of the underlying cooling mechanism. Here, we present a coral-based paleo-SST (sea-surface temperature) reconstruction from the ECS to constrain Holocene variability in the Kuroshio Western Boundary Current and the East Asian Monsoon (EAM). Our new data confirm that cold conditions prevailed at 3.8 cal kyr BP, which is consistent with the previously-reported Pulleniatina Minimum Event (PME). While this previous reconstruction could not reveal seasonal differences, our high-resolution data indicate a differing seasonal SST response between summer and winter. This result provides an important insight into understanding the mechanism of the millennium scale cold event in the ECS, the region affected by EAM.

本文言語英語
ジャーナルGEOCHEMICAL JOURNAL
46
3
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

  • 地球物理学
  • 地球化学および岩石学

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