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论文编号: |
59 |
论文题目: |
ENSO variability around 2000 years ago recorded by Tridacna gigas delta O-18 from the South China Sea |
英文论文题目: |
ENSO variability around 2000 years ago recorded by Tridacna gigas delta O-18 from the South China Sea |
第一作者: |
Yan, H |
英文第一作者: |
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联系作者: |
Yan Hong |
英文联系作者: |
Yan Hong |
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发表年度: |
2017 |
卷: |
452 |
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页码: |
148-154 |
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英文摘要: |
El Nino-Southern Oscillation (ENSO) is the most important mode of interannual changes in global climate. The knowledge of ENSO variability in different mean climate conditions is essential for us to understand the ENSO mechanism and predict its future trend in a warming world. Here we present a 50-year-long, monthly resolved oxygen isotope record, obtained from a C-14 dated (AD 50 +/- 40) fossil giant clam, Tridacna gigas, located on Dongdao Island, South China Sea, where the interannual climate anomaly is dominated by ENSO variations. We developed a quantitative method to extract the ENSO events from the regional Sea Surface Temperature (SST) and oxygen isotope records. And then, the ENSO variations about 2000 years ago, located in the so called Roman Warm Period, was calculated from the oxygen isotope series of fossil T. gigas. Our quantitative record shows that ENSO variance in Roman times was similar to the instrumental times, with a total of 11 El Nino events and 12 La Nina events within 50 years. |
刊物名称: |
QUATERNARY INTERNATIONAL |
英文刊物名称: |
QUATERNARY INTERNATIONAL |
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全文链接: |
http://www.sciencedirect.com/science/article/pii/S104061821630310X?via%3Dihub |
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