Paleoceanographic changes of surface and deep water based on oxygen and carbon isotope records during the last 130 kyr identified in MD179 cores, off Joetsu, Japan Sea
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- 作者：Saeko Ishihamaa ; ishiha@nh.kanagawa-museum.jp" class="auth_mail ; Takeshi Oib ; Shiro Hasegawac ; Ryo Matsumotob
- 关键词：Japan Sea ; Planktonic foraminifera ; Benthic foraminifera ; Stable isotopes ; Vertical circulation ; Gas hydrate
- 刊名：Journal of Asian Earth Sciences
- 出版年：15 August 2014
- 年：2014
- 卷：90
- 期：Complete
- 页码：254-265
- 全文大小：1863 K
文摘
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The paleoenvironmental history was reconstructed in two cores from the Joetsu Basin.
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We showed 未18O and 未13C data of planktonic and benthic foraminifera during 130 kyr.
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We also showed the stable isotope data of benthic foraminifera during the LGM.
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Paleoenvironment was associated with global glacial–interglacial sea level changes.
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The dissolution of gas hydrates or methane seep activities may be suggested.
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