增暖背景下北极涛动对新疆冬季平均气温的影响

陈颖, 贾孜拉·拜山, 邵伟玲, 刘精

Influence of Arctic Oscillation on winter temperature in Xinjiang under climate warming background

CHEN Ying, JIAZILA Baishan, SHAO Weiling, LIU Jing

图5 1986—2019年冬季AO负异常时新疆平均气温负距平(a)与正距平(b)对应的500 hPa位势高度(彩色填色区,单位:gpm)及700 hPa风场(箭矢,单位:m·s-1)距平合成

Fig.5 The composite anomaly field of 500 hPa geopotential height (color shaded area, Unit: gpm) and 700 hPa wind field (arrows, Unit: m·s-1) in winters of the negative (a) and positive (b) anomaly of mean temperature in Xinjiang corresponding the negative anomaly of winter AO index during 1986-2019