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High-resolution elemental records from the South China Sea and their paleoproductivity implications
Wei, GJ; Liu, Y; Li, XH; Chen, MH; Wei, WC; gjwei@gig.ac.cn; yingliu@gig.ac.cn; lixh@gig.ac.cn; mhchen@scsio.ac.cn
2003
Source PublicationPALEOCEANOGRAPHY
ISSN0883-8305
Volume18Issue:2Pages:-1054
Abstract[1] The biogenic-related elements Ca, Sr, Ba, P, Cd, scavenged Al, and Ti were analyzed by inductively coupled plasma mass spectrometry (ICP-MS) and inductively coupled plasma atomic emission spectrometry (ICP-AES) for Core NS93-5 from the west slope of the South China Sea. Terrestrial input as estimated from the accumulation of Ti was higher during glacials than during interglacials. Carbonate accumulation rates are inversely related to those of terrestrial input, suggesting higher production of calcareous phytoplankton during interglacials. The accumulation patterns of authigenic Sr, Ba, P, and Cd match that of carbonate, further indicating higher calcareous phytoplankton production during interglacials. Scavenged Al and excess SiO2, which is related to biogenic opal, exhibit higher accumulation rates during glacials and correspond with changes in terrestrial input. This indicates that terrestrial input driven is important to siliceous phytoplankton production but not for calcareous phytoplankton production. As calcareous phytoplankton is the dominant component of the biogenic sediments in the South China Sea, particularly during interglacials, previous inference of higher productivity in the South China Sea during glacials based on only the biogenic opal proxy needs to be reconsidered.
DepartmentChinese Acad Sci, Guangzhou Inst Geochem, Guangzhou, Peoples R China; Chinese Acad Sci, S China Sea Inst Oceanol, Guangzhou 510640, Peoples R China; Univ Calif San Diego, Scripps Inst Oceanog, San Diego, CA 92103 USA
KeywordElement Records South China Sea Paleoproductivity
Subject AreaGeosciences, Multidisciplinary ; Oceanography ; Paleontology
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Indexed Bysci
Funding Project海洋地质
WOS IDWOS:000184594700001
Citation statistics
Cited Times:32[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.scsio.ac.cn/handle/344004/4758
Collection中科院边缘海地质重点实验室
Corresponding Authorgjwei@gig.ac.cn; yingliu@gig.ac.cn; lixh@gig.ac.cn; mhchen@scsio.ac.cn
Recommended Citation
GB/T 7714
Wei, GJ,Liu, Y,Li, XH,et al. High-resolution elemental records from the South China Sea and their paleoproductivity implications[J]. PALEOCEANOGRAPHY,2003,18(2):-1054.
APA Wei, GJ.,Liu, Y.,Li, XH.,Chen, MH.,Wei, WC.,...&mhchen@scsio.ac.cn.(2003).High-resolution elemental records from the South China Sea and their paleoproductivity implications.PALEOCEANOGRAPHY,18(2),-1054.
MLA Wei, GJ,et al."High-resolution elemental records from the South China Sea and their paleoproductivity implications".PALEOCEANOGRAPHY 18.2(2003):-1054.
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