globalchange  > 影响、适应和脆弱性
DOI: 10.1016/j.epsl.2018.04.005
Scopus记录号: 2-s2.0-85045473770
论文题名:
Invariance of the carbonate chemistry of the South China Sea from the glacial period to the Holocene and its implications to the Pacific Ocean carbonate system
作者: Luo Y.; Kienast M.; Boudreau B.P.
刊名: Earth and Planetary Science Letters
ISSN: 0012821X
出版年: 2018
卷: 492
起始页码: 112
结束页码: 120
语种: 英语
英文关键词: carbonate sedimentation ; glacial–interglacial transitions ; ocean carbonate chemistry ; South China Sea ; terrigenous sedimentation
Scopus关键词: Calcite ; Calcium carbonate ; Glacial geology ; Oceanography ; Carbonate deposition ; Carbonate saturations ; Carbonate sedimentations ; Interglacial periods ; Interglacial transitions ; Last glacial period ; Marine carbonates ; South China sea ; Carbonation ; carbonate sediment ; concentration (composition) ; glacial-interglacial cycle ; Holocene ; marine sediment ; sediment chemistry ; sedimentation ; terrigenous deposit ; Pacific Ocean ; Pacific Ocean (West) ; South China Sea
英文摘要: Substantial and correlated changes in marine carbonate (CaCO3) content of oceanic sediments commonly accompany the transitions from cold glacial periods to warm interglacial periods. The South China Sea (SCS) is said to be ocean-dominated at depth, and its CaCO3 records should reflect and preserve the effects of changes in the carbonate chemistry of the (western) Pacific Ocean. Using published and newly acquired CaCO3 data and a model for carbonate compensation dynamics, we show that a significant change with respect to carbonate saturation is unlikely to have occurred in the SCS during the last glacial–interglacial transition. Instead, the results from a carbonate deposition model argue that the saturation state of the SCS was largely invariant; a separate diagenetic model argues that changes in sediment CaCO3 content can be explained by alterations in lithogenic input. In turn, this could indicate that the carbonate ion concentration of the (western) Pacific at depths shallower than the sill to the SCS (ca. 2,400 m) has not changed appreciably between the last glacial period and the present interglacial. © 2018 Elsevier B.V.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/109903
Appears in Collections:影响、适应和脆弱性
气候变化事实与影响

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作者单位: Department of Oceanography, Dalhousie University, 1355 Oxford Street, Halifax, NS B3H 4R2, Canada; Geophysical Institute, University of Bergen, Bjerknes Centre for Climate Research, Allegaten 70, Bergen, 5007, Norway; School of Marine Sciences, Sun Yat-Sen University, A405 Main Building, Zhuhai, Guangdong 519082, China

Recommended Citation:
Luo Y.,Kienast M.,Boudreau B.P.. Invariance of the carbonate chemistry of the South China Sea from the glacial period to the Holocene and its implications to the Pacific Ocean carbonate system[J]. Earth and Planetary Science Letters,2018-01-01,492
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