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北大西洋振荡（ＮＡＯ）是北半球多年气候波动之一，而且一般是根据冰岛和亚速尔群岛间的压力差用指数来描述的。就多年的时间尺度来说，ＮＡＯ的变化对北大西洋和欧洲气候有巨大影响，并且对北半球最近表面温度变暖趋势也有巨大影响。在最近的几十年间，冬季指数主要处于...
The North Atlantic Oscillation (NAO) is one of the many years of climate variability in the northern hemisphere and is generally described by an index based on the pressure differential between Iceland and the Azores. On multi-year time scales, changes in NAO have a huge impact on the North Atlantic and European climates and have also had a dramatic impact on the recent surface temperature warming in the northern hemisphere. In recent decades, the winter index is mainly in the ...