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4. 根据±1σ和±2σ标准差作为阈值, 将El Niño和La Niña事件划分为中等、强烈和极端3个等级 a. Niño3.4的时间序列; b. 经12~48Hz带通滤波处理后的南海南部SSTA的时间序列
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Fig. 4. Classification of El Niño and La Niña events into moderate, intense, and extreme categories, using ±1σ and ±2σ standard deviations as thresholds. (a) Time series of Niño3.4; (b) time series of SSTA in the southern SCS after 12~48 Hz band-pass filtering |
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