拉尼娜意为“小女孩”,正好与意为“圣婴”的厄尔尼诺相反,也称“反厄尔尼诺”或“冷事件”。厄尔尼诺和拉尼娜是赤道中、东太平洋海温冷暖交替变化的异常表现。这种海温的冷暖变化过程构成一种循环,在厄尔尼诺之后接着发生拉尼娜并非罕事。同样拉尼娜之后也会接着发生厄尔尼诺。厄尔尼诺与赤道中、东太 La Nina means “little girl”, which is exactly the opposite of El Nino which means “young child”. It is also called “anti-El Nino” or “cold event.” El Nino and La Niña are abnormal manifestations of alternating warm and cold SST in the central and eastern equatorial Pacific. This process of warming and changing the sea temperature constitutes a cycle. It is not unusual for La Nina to happen after El Niño. El Niño will follow after La Niña. El Nino and Edom