Paleoproductivity variations in the southern Okinawa Trough since the middle Holocene: Calcareous nannofossil records

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	Paleoproductivity variations in the southern Okinawa Trough since the middle Holocene: Calcareous nannofossil records
	Zhao JingTao 1,2,3; Li TieGang1 ; Li Jun 2; Hu BangQi 2,3
刊名	CHINESE SCIENCE BULLETIN
	2012-10-01
卷号	57 期号:30 页码:3917-3922
关键词	middle Holocene the southern Okinawa Trough primary productivity calcareous nannofossil
ISSN号	1001-6538
通讯作者	Li, TG (reprint author), Chinese Acad Sci, Key Lab Marine Geol & Environm, Inst Oceanol, Qingdao 266071, Peoples R China.
英文摘要	Based on 17 AMS(14)C age data, we reconstructed high-resolution records of sea surface primary productivity (PP) in the southern Okinawa Trough (MD05-2908) over the last 6.8 ka BP using the calcareous nannofossil carbon isotope and the relative percentage contents of Florisphaera profunda indexes. The underlying mechanism controlling the sea surface PP was then discussed. The sea surface PP, indicated by the coccolith delta C-13 and %Fp conversional equations, decreased with some fluctuations since 6.8 ka BP. This decrease may be connected to the decreased terrigenous input resulting from the reduced East Asian Summer Monsoon (EASM) precipitation. Both the periods of 4-2 ka BP (PME) and 6.8-4.8 ka BP were characterized by relatively higher PP. The former was mainly controlled by the weakening of the Kuroshio Current, whereas the latter mainly resulted from the greater terrigenous input associated with the stronger EASM.
学科主题	Multidisciplinary Sciences
收录类别	SCI
原文出处	10.1007/s11434-012-5276-y
语种	英语
WOS记录号	WOS:000309350000015
公开日期	2013-09-24
内容类型	期刊论文
源URL	[http://ir.qdio.ac.cn/handle/337002/12512]
专题	海洋研究所_海洋地质与环境重点实验室
作者单位	1.Chinese Acad Sci, Key Lab Marine Geol & Environm, Inst Oceanol, Qingdao 266071, Peoples R China 2.Qingdao Inst Marine Geol, Key Lab Marine Hydrocarbon Resource & Geol, Minist Land & Resources, Qingdao 266071, Peoples R China 3.Chinese Acad Sci, Key Lab Marginal Sea Geol, S China Sea Inst Oceanol, Guangzhou 510301, Guangdong, Peoples R China
推荐引用方式 GB/T 7714	Zhao JingTao,Li TieGang,Li Jun,et al. Paleoproductivity variations in the southern Okinawa Trough since the middle Holocene: Calcareous nannofossil records[J]. CHINESE SCIENCE BULLETIN,2012,57(30):3917-3922.
APA	Zhao JingTao,Li TieGang,Li Jun,&Hu BangQi.(2012).Paleoproductivity variations in the southern Okinawa Trough since the middle Holocene: Calcareous nannofossil records.CHINESE SCIENCE BULLETIN,57(30),3917-3922.
MLA	Zhao JingTao,et al."Paleoproductivity variations in the southern Okinawa Trough since the middle Holocene: Calcareous nannofossil records".CHINESE SCIENCE BULLETIN 57.30(2012):3917-3922.