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末次冰期最盛期与全新世海洋浮游有孔虫硼同位素与微量元素的对比分析

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摘要 海洋浮游有孔虫硼同位素能够反映海水酸碱度值的变化,重建大气二氧化碳浓度变化历史.对比分析了末次冰期最盛期(LGM)和全新世(Holocene)赤道太平洋、赤道大西洋和加勒比海地区3个钻孔的Globigerinoides sacculifer和Globigerinoides ruber有孔虫样品中的硼同位素和各种微量元素的变化,发现G.ruber更加适合进行钻孔下部硼同位素的分析,而G.sacculifer可能容易受到溶解作用的影响导致其冰期硼同位素可能偏低.微量元素分析表明浮游有孔虫中的Mg/Ca,B/Ca,U/Ca和Li/Ca比值能在一定程度上反映海水温度和[CO32-]的变化,但都受到不同种属以及其他次要因素的影响,在将其应用到钻孔下部样品时,需要进行必要的校正工作.
作者 倪云燕
出处 《中国科学(D辑)》 CSCD 北大核心 2009年第12期1759-1769,共11页 Science in China(Series D)
基金 国家自然科学基金(批准号:40703014)资助
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参考文献63

  • 1Petit J R, Jouzel J, Raynaud D, et al. Climate and atmospheric history, of the past 420,000 years from the Vostok ice core, Antarctica. Nature, 1999, 399:429--436. 被引量:1
  • 2Sigman D M, Boyle E A. Glacial/interglacial variations in atmospheric carbon dioxide. Nature, 2000, 407:859--869. 被引量:1
  • 3Siegenthaler U. Stable carbon cycle-climate relationship during the Late Pleistocene. Science, 2005, 310:1313--1317. 被引量:1
  • 4Zeebe R E, Wolf-Gladrow D. CO2 in Seawater: Equilibrium, Kinetics, Isotopes. Amsterdam: Elsevier, 2001. 被引量:1
  • 5Foster G L. Seawater pH, PCO2 and [CO3^2] variations in the Caribbean Sea over the last 130 kyr: a boron isotope and B/Ca study of planktonic foraminifera. Earth Planet Sci Lett, 2008, 271:254--266. 被引量:1
  • 6Honisch B, Hemming N G. Surface ocean pH response to variations in PCO2 through two full glacial cycles. Earth Planet Sci Lett, 2005 236(1-2): 305--314. 被引量:1
  • 7Sanyal A, Hemming N G, Hanson G N, et al. Evidence for a higher pH in the glacial ocean from boron isotopes in foraminifera. Nature 1995, 373:234--236. 被引量:1
  • 8Pearson P N, Palmer M R. Atmospheric carbon dioxide concentrations over the past 60 million years. Nature, 2000, 406:695--699. 被引量:1
  • 9Klochko K, Kaufman A J, Yao W, et al. Experimental measurement of boron isotope fractionation in seawater. Earth Planet Sci Lett, 2006, 248:261--270. 被引量:1
  • 10Carbon Dioxide Survey Science Team (DOE). Handbook of Methods for the Analysis of the Various Parameters of the Carbon Dioxide System in Sea Water. Oak Ridge, Tennessee: Carbon Dioxide Information Analysis Center, Oak Ridge National Laboratory, US Department of Energy, 1994. 被引量:1

二级参考文献108

  • 1Caldeira K,Berner R A.Seawater pH and atmospheric carbon dioxide[J].Science,1999,286(2043). 被引量:1
  • 2Sanyal A,Hemming N G,Hanson G N,et al.Evidence for a higher pH in the glacial ocean from boron isotopes in foraminifera[J].Nature,1995,373:234-236. 被引量:1
  • 3Sanyal A,Hemming N G,Broecker W S.Changes in pH in the eastern equatorial Pacific across stage 5-6 boundary based on boron isotopes in foraminifera[J].Global Biogeochemical Cycles,1997,11(1):125-1333. 被引量:1
  • 4Sanyal A,Bijma J.A comparative study of the northwest Africa and eastern equatorial Pacific upwelling zones as sources of CO2 during glacial periods based on boron isotope paleo-pH estimation[J].Paleoceanography,1999,14(6):753-759. 被引量:1
  • 5Pagani M,Lemarchand D,Spivack A,et al.A critical evaluation of the boron isotope-pH proxy:the accuracy of ancient ocean pH estimates[J].Geochimica et Cosmochimica Acta,2005,69(4):953-961. 被引量:1
  • 6Vengosh V,Chivas A R,McCulloch M T.Direct determination of boron and chlorine isotopic compositions in geological materials by negative thermal-ionization mass spectrometry[J].Chemical Geology (Isotope Geoscience Section),1989,79:33-43. 被引量:1
  • 7Foster G,Ni Y,Haley B,et al.Accurate and precise isotopic measurement of sub-nanogram sized samples of foraminiferal hosted boron by total evaporation NTIMS[J].Chemical Geology,2006,230:161-174. 被引量:1
  • 8Ni Y,Foster G,Bailey T,et al.A core top assessment of proxies for the ocean carbonate system in surface dwelling foraminifers[J].Paleoceanography(in press). 被引量:1
  • 9Kasemann S,Meixner A,Rocholl A.Boron and oxygen isotope composition of certified reference materials NIST SRM 610/612 and reference materials JB-2 and JR-2[J].Geostandards Newsletter:The Journal of Geostandards and Geoanalysis,2001,25(2). 被引量:1
  • 10Klotzli U S.Negative thermal ionisation mass spectrometry:a new approach to boron isotope geochemistry[J].Chemical Geology(Isotope Geoscience Section),1992,101:111-122. 被引量:1

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