Evidence for the 8,200 a B.P. cooling event in the middle Okinawa Trough

Hua Yu; Yingqian Xiong; Zhenxia Liu; Serge Berné; Chi Yue Huang; Guodong Jia

doi:10.1007/s00367-007-0095-x

Evidence for the 8,200 a B.P. cooling event in the middle Okinawa Trough

Hua Yu^*, Yingqian Xiong, Zhenxia Liu, Serge Berné, Chi Yue Huang, Guodong Jia

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

21 Scopus citations

Abstract

Based on new and existing data on oxygen isotopes, alkenone-surface seawater temperature trends, planktonic foraminifers, lithology, and clay mineral composition of piston cores, a distinct cooling event has been identified around 8,200 cal a B.P. in the middle Okinawa Trough, northwest Pacific. This corresponds to the 8,200 a B.P. cooling event recorded in many places of the Northern Hemisphere. During this event, the local temperature decreased by 1°C and the δ¹⁸O value increased by 0.6‰. A strengthened Asian winter monsoon is the most probable cause for this event, which thus adds further credibility to the contention that we are dealing here with a global phenomenon.

Original language	English (US)
Pages (from-to)	131-136
Number of pages	6
Journal	Geo-Marine Letters
Volume	28
Issue number	3
DOIs	https://doi.org/10.1007/s00367-007-0095-x
State	Published - Jun 2008
Externally published	Yes

Funding

Acknowledgements We would like to thank the crew of the DONGHAI cruise of the R/V l’Atalante in the East China Sea in 1996 for their support in sampling cores DGKS9603 and DGKS9604. We are indebted to Feng Guo for carrying out the clay mineral analyses of core DGKS9603. We are grateful to Yoshiki Saito for sharing core DGKS9603 tephra heavy mineral analyse results. Reviews by Burg Flemming and two anonymous referees substantially improved this manuscript. This study was funded by the NSFC (grant no. 40421150011; 40431002), MOST (grant no. 2003cb716706), and SOA, China, as well as IFREMER, France.

ASJC Scopus subject areas

Oceanography
Environmental Science (miscellaneous)
Geotechnical Engineering and Engineering Geology
Earth and Planetary Sciences (miscellaneous)

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title = "Evidence for the 8,200 a B.P. cooling event in the middle Okinawa Trough",

abstract = "Based on new and existing data on oxygen isotopes, alkenone-surface seawater temperature trends, planktonic foraminifers, lithology, and clay mineral composition of piston cores, a distinct cooling event has been identified around 8,200 cal a B.P. in the middle Okinawa Trough, northwest Pacific. This corresponds to the 8,200 a B.P. cooling event recorded in many places of the Northern Hemisphere. During this event, the local temperature decreased by 1°C and the δ18O value increased by 0.6‰. A strengthened Asian winter monsoon is the most probable cause for this event, which thus adds further credibility to the contention that we are dealing here with a global phenomenon.",

author = "Hua Yu and Yingqian Xiong and Zhenxia Liu and Serge Bern{\'e} and Huang, {Chi Yue} and Guodong Jia",

note = "Funding Information: Acknowledgements We would like to thank the crew of the DONGHAI cruise of the R/V l{\textquoteright}Atalante in the East China Sea in 1996 for their support in sampling cores DGKS9603 and DGKS9604. We are indebted to Feng Guo for carrying out the clay mineral analyses of core DGKS9603. We are grateful to Yoshiki Saito for sharing core DGKS9603 tephra heavy mineral analyse results. Reviews by Burg Flemming and two anonymous referees substantially improved this manuscript. This study was funded by the NSFC (grant no. 40421150011; 40431002), MOST (grant no. 2003cb716706), and SOA, China, as well as IFREMER, France.",

year = "2008",

month = jun,

doi = "10.1007/s00367-007-0095-x",

language = "English (US)",

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AU - Yu, Hua

AU - Xiong, Yingqian

AU - Liu, Zhenxia

AU - Berné, Serge

AU - Huang, Chi Yue

AU - Jia, Guodong

N1 - Funding Information: Acknowledgements We would like to thank the crew of the DONGHAI cruise of the R/V l’Atalante in the East China Sea in 1996 for their support in sampling cores DGKS9603 and DGKS9604. We are indebted to Feng Guo for carrying out the clay mineral analyses of core DGKS9603. We are grateful to Yoshiki Saito for sharing core DGKS9603 tephra heavy mineral analyse results. Reviews by Burg Flemming and two anonymous referees substantially improved this manuscript. This study was funded by the NSFC (grant no. 40421150011; 40431002), MOST (grant no. 2003cb716706), and SOA, China, as well as IFREMER, France.

PY - 2008/6

Y1 - 2008/6

N2 - Based on new and existing data on oxygen isotopes, alkenone-surface seawater temperature trends, planktonic foraminifers, lithology, and clay mineral composition of piston cores, a distinct cooling event has been identified around 8,200 cal a B.P. in the middle Okinawa Trough, northwest Pacific. This corresponds to the 8,200 a B.P. cooling event recorded in many places of the Northern Hemisphere. During this event, the local temperature decreased by 1°C and the δ18O value increased by 0.6‰. A strengthened Asian winter monsoon is the most probable cause for this event, which thus adds further credibility to the contention that we are dealing here with a global phenomenon.

AB - Based on new and existing data on oxygen isotopes, alkenone-surface seawater temperature trends, planktonic foraminifers, lithology, and clay mineral composition of piston cores, a distinct cooling event has been identified around 8,200 cal a B.P. in the middle Okinawa Trough, northwest Pacific. This corresponds to the 8,200 a B.P. cooling event recorded in many places of the Northern Hemisphere. During this event, the local temperature decreased by 1°C and the δ18O value increased by 0.6‰. A strengthened Asian winter monsoon is the most probable cause for this event, which thus adds further credibility to the contention that we are dealing here with a global phenomenon.

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Evidence for the 8,200 a B.P. cooling event in the middle Okinawa Trough

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