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Relations between sedimentary sequence and paleoclimatic changes during last 200 ka in the southern South China Sea
Chen, MH; Tu, X; Zheng, F; Yan, W; Tang, XZ; Lu, J; Wang, BG; Lu, MA; Chen, MH, Chinese Acad Sci, S China Sea Inst Oceanol, Open Lab Marginal Sea Geol & Paleoenvironm, Guangzhou 510301, Peoples R China
2000
Source PublicationCHINESE SCIENCE BULLETIN
ISSN1001-6538
Volume45Issue:14Pages:1334-1340
AbstractCore NS-93-5 was taken from the mild slope terrace of the southern South China Sea (SCS), which has preserved the steadiness depositional record of the normal marine environment since late Quaternary. Sedimentary sequence and oxygen isotopic stratigraphy of high resolution in the near 200 ka of the southern SCS has been established. By the comparative analysis with GISP2's ice core, the depositional record of D/O's events 1-21 and Heinrich's events H1-H6 in the southern SCS that reflected the quick climate change in short time scale since the last interglacial stage is revealed, which indicates that in the last 200 ka in the southern SCS and the Arctic area there was tele-connection of paleoclimate and the unstability of the Western Pacific Warm Pool. This note shows that the sedimentary layers order of this sea area classified by color identification and by oxygen isotope stratum has the very good corresponding relation. The color feature of sediment changes along with the climate and the former arranges a stagnant time of 1-1.5 ka generally. It was suggested that the paleoclimatic changes resulted in the rise and fall of sea level, the open and close of strait thoroughfare and the upwelling activity, which causes the changes of the oxidation-reduction condition of deep water along with the dynamic environment in this sea area, thus producing the different sediment features of sea bed. In addition, a volcanic ash layer, about 17 cm thick, has been found in the transition of oxygen isotope 4/5 stage, which is related wit the Toba's volcanic eruption.
DepartmentChinese Acad Sci, S China Sea Inst Oceanol, Open Lab Marginal Sea Geol & Paleoenvironm, Guangzhou 510301, Peoples R China
KeywordSouthernyouth China Sea Sedimentary Sequence Quick Climate Change D/o And Heinrich Events Toba's Volcanic Record
Subject AreaMultidisciplinary Sciences
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Indexed Bysci
Funding Project海洋地质
WOS IDWOS:000089246900019
Citation statistics
Cited Times:18[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.scsio.ac.cn/handle/344004/4672
Collection中科院边缘海地质重点实验室
Corresponding AuthorChen, MH, Chinese Acad Sci, S China Sea Inst Oceanol, Open Lab Marginal Sea Geol & Paleoenvironm, Guangzhou 510301, Peoples R China
Recommended Citation
GB/T 7714
Chen, MH,Tu, X,Zheng, F,et al. Relations between sedimentary sequence and paleoclimatic changes during last 200 ka in the southern South China Sea[J]. CHINESE SCIENCE BULLETIN,2000,45(14):1334-1340.
APA Chen, MH.,Tu, X.,Zheng, F.,Yan, W.,Tang, XZ.,...&Chen, MH, Chinese Acad Sci, S China Sea Inst Oceanol, Open Lab Marginal Sea Geol & Paleoenvironm, Guangzhou 510301, Peoples R China.(2000).Relations between sedimentary sequence and paleoclimatic changes during last 200 ka in the southern South China Sea.CHINESE SCIENCE BULLETIN,45(14),1334-1340.
MLA Chen, MH,et al."Relations between sedimentary sequence and paleoclimatic changes during last 200 ka in the southern South China Sea".CHINESE SCIENCE BULLETIN 45.14(2000):1334-1340.
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