Evidence for stronger El Nino-Southern Oscillation (ENSO) events in a mid-Holocene massive coral

被引:108
作者
Corrège, T
Delcroix, T
Récy, J
Beck, W
Cabioch, G
Le Cornec, F
机构
[1] IRD, Noumea, New Caledonia
[2] Univ Arizona, Dept Phys, NSF, Arizona AMS Facil, Tucson, AZ 85721 USA
[3] IRD, Lab Format Superficielles, F-93143 Bondy, France
来源
PALEOCEANOGRAPHY | 2000年 / 15卷 / 04期
关键词
D O I
10.1029/1999PA000409
中图分类号
P [天文学、地球科学];
学科分类号
07 ;
摘要
We present a 47-year-long record of sea surface temperature (SST) derived from Sr/Ca and U/Ca analysis of a massive Porites coral which grew at similar to 4150 calendar years before present (B.P.) in Vanuatu (southwest tropical Pacific Ocean). Mean SST is similar in both the modern instrumental record and paleorecord, and both exhibit El Nino-Southern Oscillation (ENSO) frequency SST oscillations. However, several strong decadal-frequency cooling events and a marked modulation of the seasonal SST cycle, with power at both ENSO and decadal frequencies, are observed in the paleorecord, which are unprecedented in the modern record.
引用
收藏
页码:465 / 470
页数:6
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