Further investigation find that the anomaly of AO contributes to the temperature anomalies of the Northeast China through the interaction of the Siberian high,Aleutian low,the polar easterlies in east Asia and the winds anomalies in winter in this area.

• 研究表明,AO的异常变化通过西伯利亚高压、阿留申低压、东亚地区极地东风以及东亚冬季风异常,进而影响我国东北地区冬季温度异常,它们之间存在着密切的相关关系。