其中，发生于1万1500年前的气温跃升，幅度之大，犹如把美国明尼亚波利与俄罗斯莫斯科，变得像美国亚特兰大或西班牙马德里般燠热。

• That jump, which occurred about 11,500 years ago, is the equivalent of Minneapolis or Moscow acquiring the relatively sultry conditions of Atlanta or Madrid.