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厄尔尼诺在西班牙语中是圣婴的意思。之所以称之为圣要是由于温暖的海水一向于圣诞节前后越过太平洋到达南美。科学家们现已将南美沿海的大片区域及沿赤道和日期变更线以西的气温升高现象统称为厄尔尼诺现象,并指出厄尔尼诺现象每隔四到五年产生一次轮回,持续12至18个月。60年代后期更为明显的是,每年的海面温度变化及随之产生的厄尔尼诺现象都与“南部波动”密切相关。“南部波动”是指东南太平洋与印度洋之间的气压关系。当太
El Niño means “Sanctuary” in Spanish. The reason why it is called to be holy is because the warm seawater has crossed the Pacific Ocean before and after Christmas to reach South America. Scientists have now collectively referred to the large area of South America’s coast and the temperature rise phenomenon along the equator and date line as the El Niño phenomenon, and pointed out that the El Niño phenomenon generates a cycle every four to five years for 12 to 18 months. The more obvious in the late 1960s is that the annual changes in sea surface temperature and the resulting El Niño phenomenon are closely related to “Southern fluctuations”. “Southern Fluctuation” refers to the pressure relationship between the Southeast Pacific and the Indian Ocean. When too