Reliability of coral isotope records from the western Pacific warm pool: A comparison using age-optimized records
Guilderson, TP; Schrag, DP
1999
发表期刊PALEOCEANOGRAPHY
ISSN0883-8305
卷号14期号:4页码:457-464
摘要Stable isotope analysis of two separate corals from Nauru Island in the warm pool of the western tropical Pacific confirm that coral oxygen isotopes are a robust recorder of environmental variables. Coral delta(18)O faithfully records interannual variability even when strongly influenced by kinetic effects. Interannual to decadal variability of coral delta(13)C remains enigmatic; only one of the two corals exhibits the expected light-delta(13)C response in the interannual band. Coral delta(18)O from this region has a great similarity to global instrumental temperature records reflecting the impact of the Pacific warm pool and variations of the Indonesian Low in concert with El Nino-Southern Oscillation on global climate. Since 1896, coral delta(18)O has exhibited a cumulative decrease of 0.7 parts per thousand, which reflects a combination of warming and more frequent El Nino events (precipitation) affecting the surface waters of this region.
部门归属Harvard Univ, Dept Earth & Planetary Sci, Cambridge, MA 02138 USA; Univ Calif Lawrence Livermore Natl Lab, Ctr Accelerator Mass Spectrometry, Livermore, CA 94550 USA
学科领域Geosciences, Multidisciplinary ; Oceanography ; Paleontology
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收录类别sci
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/8509
专题海洋科技动态信息-印太暖池系统研究
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Guilderson, TP,Schrag, DP. Reliability of coral isotope records from the western Pacific warm pool: A comparison using age-optimized records[J]. PALEOCEANOGRAPHY,1999,14(4):457-464.
APA Guilderson, TP,&Schrag, DP.(1999).Reliability of coral isotope records from the western Pacific warm pool: A comparison using age-optimized records.PALEOCEANOGRAPHY,14(4),457-464.
MLA Guilderson, TP,et al."Reliability of coral isotope records from the western Pacific warm pool: A comparison using age-optimized records".PALEOCEANOGRAPHY 14.4(1999):457-464.
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