Controls on Sr/Ca in benthic foraminifera and implications for seawater Sr/Ca during the late Pleistocene | |
Yu, JM (Yu, Jimin)[ 1 ]; Elderfield, H (Elderfield, Henry)[ 2 ]; Jin, ZD (Jin, Zhangdong)[ 3 ]; Tomascak, P (Tomascak, Paul)[ 4 ]; Rohling, EJ (Rohling, Eelco J.)[ 1,5 ] | |
2014-08-15 | |
发表期刊 | QUATERNARY SCIENCE REVIEWS |
卷号 | 98页码:1-6 |
文章类型 | 期刊论文 |
摘要 | Changes in the Sr to Ca ratio of sea water have important implications for the interpretation of past climate. It has proven difficult to interpret Sr/Ca of foraminiferal calcite as a measure of seawater Sr/Ca or as reflecting the influence of deep water carbonate ion saturation (Delta[CO32-]) on the incorporation of Sr into benthic foraminiferal carbonate. Here, we address this issue by measurements of paired benthic foraminiferal Sr/Ca and B/Ca (a proxy for deep water A[Delta[CO32-]) for core-tops from the global ocean and three down cores at different settings during the Last Glacial-interglacial cycle. These new data suggest a significant control of deep water Delta[CO32-] on benthic foraminiferal Sr/Ca, and that down-core shell Sr/Ca variations can be largely accounted for by past deep water Delta[CO32-] changes. We conclude that seawater Sr/Ca has likely remained near-constant on glacial-interglacial timescales during the late Pleistocene, in agreement with model results. With due caution, benthic Sr/Ca may be used as an auxiliary proxy for deep water Delta[CO32-] if seawater Sr/Ca is constant. |
关键词 | Sr/ca Carbonate Ion saturatIon Benthic Foraminifera Deep Ocean Pleistocene |
DOI | 10.1016/j.quascirev.2014.05.018 |
收录类别 | SCI ; EI |
语种 | 英语 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.ieecas.cn/handle/361006/9837 |
专题 | 加速器质谱中心 |
通讯作者 | Yu, JM (Yu, Jimin)[ 1 ] |
作者单位 | 1.Research School of Earth Sciences, The Australian National University, Canberra, ACT 0200, Australia; 2.The Godwin Laboratory for Palaeoclimate Research, Department of Earth Sciences, University of Cambridge, Downing Street, Cambridge CB2 3EQ, UK; 3.State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an 710075, China; 4.Department of Earth Sciences, SUNY Oswego, Oswego, NY 13126, USA; 5.Ocean and Earth Science, University of Southampton, National Oceanography Centre, Southampton SO14 3ZH, UK |
推荐引用方式 GB/T 7714 | Yu, JM ,Elderfield, H ,Jin, ZD ,et al. Controls on Sr/Ca in benthic foraminifera and implications for seawater Sr/Ca during the late Pleistocene[J]. QUATERNARY SCIENCE REVIEWS,2014,98:1-6. |
APA | Yu, JM ,Elderfield, H ,Jin, ZD ,Tomascak, P ,&Rohling, EJ .(2014).Controls on Sr/Ca in benthic foraminifera and implications for seawater Sr/Ca during the late Pleistocene.QUATERNARY SCIENCE REVIEWS,98,1-6. |
MLA | Yu, JM ,et al."Controls on Sr/Ca in benthic foraminifera and implications for seawater Sr/Ca during the late Pleistocene".QUATERNARY SCIENCE REVIEWS 98(2014):1-6. |
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