Surface circulation in the eastern Indian Ocean during last 5 million years: Planktic foraminiferal evidences
Sinha, DK; Singh, AK; devasinha@yahoo.com
2007
发表期刊INDIAN JOURNAL OF MARINE SCIENCES
ISSN0379-5136
卷号36期号:4页码:342-350
摘要The paper describes the major circulation changes in the eastern Indian Ocean during last 5 million years based on variation planktic foraminiferal assemblages in various ODP and DSDP cores examined by various workers. The Late Miocene/Pliocene transition is characterized by weakening of the Leeuwin Current and migration of the polar front towards north. The early Pliocene is marked by closing of the Indonesian Seaway for surface waters and strengthening of the Leeuwin Current, a general warming of the surface waters and thickening of the mixed layer in the eastern Indian Ocean. The Late Pliocene and Pleistocene witnessed severe climatic fluctuations and episodic weakening and strengthening of the Leeuwin Current in response to either ENSO induced changes in the Western Pacific Warm Pool or lowering of sea level and reduction in Indonesian throughflow due to ice sheet expansion.
部门归属[Sinha, Devesh K.] Univ Delhi, Ctr Adv Study Geol, Delhi 110007, India; [Singh, Ashutosh Kumar] Phys Res Lab, Planetary & Geosci Div, Ahmadabad 380009, Gujarat, India
关键词Planktic Foraminifera Ocean Circulation Pliocene Pleistocene Indian Ocean Foraminiferal Evidence Circulation West Australian Current Indonesian Seaway Leeuwin Current
学科领域Oceanography
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收录类别sci
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/8437
专题海洋科技动态信息-印太暖池系统研究
通讯作者devasinha@yahoo.com
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Sinha, DK,Singh, AK,devasinha@yahoo.com. Surface circulation in the eastern Indian Ocean during last 5 million years: Planktic foraminiferal evidences[J]. INDIAN JOURNAL OF MARINE SCIENCES,2007,36(4):342-350.
APA Sinha, DK,Singh, AK,&devasinha@yahoo.com.(2007).Surface circulation in the eastern Indian Ocean during last 5 million years: Planktic foraminiferal evidences.INDIAN JOURNAL OF MARINE SCIENCES,36(4),342-350.
MLA Sinha, DK,et al."Surface circulation in the eastern Indian Ocean during last 5 million years: Planktic foraminiferal evidences".INDIAN JOURNAL OF MARINE SCIENCES 36.4(2007):342-350.
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