南海南部珊瑚骨骼δ18O和Sr/Ca对ENSO的分级响应
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李若安 1(  ), 李旭清 2, 陈天然 2(  )
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Graded responses of coral skeletal δ18O and Sr/Ca to ENSO in the southern South China Sea
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LI Ruoan 1(  ), LI Xuqing 2, CHEN Tianran 2(  )
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图5. 珊瑚地球化学指标记录的不同类型和强度的ENSO事件 a. 1950—2020年Niño3.4序列记录的不同类型和强度的ENSO事件作为标准; b. 1950—2010年竹岛珊瑚Sr/Ca距平; c. 1982—2016年海葵园珊瑚Sr/Ca距平; d. 1951—1999年永暑岛珊瑚δ18O距平; e. 1950—1981年巴拉望珊瑚δ18O距平; f. 1982—2016年海葵园珊瑚δ18O距平; 中性变暖事件(▽ neutral warm)未参与后续统计计算
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Fig. 5. Different types and intensities of ENSO events as recorded by coral geochemical proxies: (a) different types and intensities of ENSO events recorded in the Niño3.4 index series from 1950 to 2020 as reference standard; (b) Sr/Ca anomalies from Hòn Tre Island, 1950-2010; (c) Sr/Ca anomalies from Anemone’s Garden, 1982-2016; (d) δ18O anomalies from Yongshu Island, 1951-1999; (e) δ18O anomalies from Palawan Island, 1950-1981; (f) δ18O anomalies from Anemone’s Garden, 1982-2016; Neutral warming events (▽) were excluded from subsequent statistical analyses |
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