厄尔尼诺现象与欧洲春季降水的关系
On the El-Nino Teleconnection to Spring Precipitation in Europe
摘要：
在对一个多世纪的数据进行统计分析后，我们发现，从英格兰南部向东进入亚洲的一个波段中，强烈的温暖厄尔尼诺冬季事件与春季降水量高之间存在着密切的联系。这种联系是Kiladis和Diaz（1989）所提到的联系的延伸，并且比其他研究的冬季遥相关要强得多。DJF NINO_3指数与MAM降水量的线性相关系数在个别测站均大于r=0.3，而在50 N附近5 W ~ 35 E的降水异常指数则高达r=0.49。滞后相关表明，东南亚地面温度异常可能充当中间变量。
英文摘要：
In a statistical analysis of more than a century of data we find a strong connection between strong warm El Nino winter events and high spring precipitation in a band from Southern England eastwards into Asia. This relationship is an extension of the connection mentioned by Kiladis and Diaz (1989), and much stronger than the winter season teleconnection that has been the subject of other studies. Linear correlation coefficients between DJF NINO3 indices and MAM precipitation are higher than r=0.3 for individual stations, and as high as r=0.49 for an index of precipitation anomalies around 50N from 5W to 35E. The lagged correlation suggests that south-east Asian surface temperature anomalies may act as intermediate variables.
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