BAMS:从多因子协同作用角度解释2020/21冬欧亚北美三次极端寒潮

中国气象爱好者
16 Sep 2022

随着全球变暖的发生,北半球中纬度地区极端天气气候事件频繁发生,如夏季高温热浪、冬季寒潮低温等。在这个背景下,刚刚过去的2020/21年冬季北半球接连发生了3次破记录的极端寒潮事件,即12月的欧亚中纬度寒潮、1-2月的欧亚高纬度寒潮、2月的北美寒潮。这一系列极端寒潮事件受到了国内外学者的广泛关注。图1 观测2020/21冬季欧亚和北美大陆3次极端寒潮事件的气温和环流特征:(a-c)前冬欧亚中纬度极端...

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