When drought occurs in the eastern part of the Northwest of China low frequencyteleconnection shows EAP and AIA patterns, and the curves of 500 hpa high field inmost areas represent large-frequency and long-period.
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美
- 西北地区东部旱年存在低频遥相关型EAP和AIA; 各地区高度场曲线振幅大,周期长;