The results show: Polar Vortex and SAH have similar evolutive character, especially the characters of former Winter Polar Vortex and Summer SAH are more similar.

• 结果表明:极涡与南亚高压具有相似的演变特征,尤其前期冬季极涡与夏季南亚高压变化更为相似,当前期冬季极涡加强时,则夏季南亚高则减弱,反之如此,体现了年际和年代际周期振荡特征;