The Arctic oscillation was close related with the frequency of blocking high over the Baikal Lake area and the intensity of East Asian summer monsoon and summer precipitation over North China.

• 在年代际尺度上,北极涛动与贝加尔湖地区阻塞高压发生频率、东亚夏季风强度和华北夏季降水的关系较为密切。