密歇根大学研究人员的最新研究表明，当前的厄尔尼诺现象强度超过了过去1000年间的任何时期1。该研究团队通过分析加拉帕戈斯群岛的化石珊瑚，重建了跨越千年的海洋表面温度记录，以确定全球变暖是否增强了厄尔尼诺-南方涛动系统的波动1。
密歇根大学环境科学家Julie Cole表示："我们在20世纪后期和21世纪早期看到了一些非常强的厄尔尼诺事件，我们不知道这些事件是多么不寻常"1。厄尔尼诺-南方涛动系统是地球年度气候变化的最大来源1。
A study by researchers at the University of Michigan has determined that the current El Niño phenomenon is more intense than at any point during the last 1,000 years 1. Scientists reconstructed millennial-scale ocean surface temperature records by analyzing fossilized coral samples from the Galápagos Islands to assess whether global warming has intensified fluctuations in the El Niño-Southern Oscillation system 1.
Julie Cole, an environmental scientist at the University of Michigan, noted the significance of recent observations, stating: "We've seen some very strong El Niño events in the late 20th century and early 21st century, and we didn't know how unusual these events were" 1. The El Niño-Southern Oscillation system represents the largest source of year-to-year climate variability on Earth 1.
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