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4 冬季AO指数与新疆平均气温异常对应的500 hPa位势高度场(彩色填色区,单位:gpm)和700 hPa风场(箭矢,单位:m·s-1)距平合成 (a)AO指数负异常、气温正距平,(b)AO指数负异常、气温负距平,(c)AO指数正异常、气温正距平,(d)AO指数正异常、气温负距平

Fig.4 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 anomalous AO index and mean temperature in Xinjiang (a) anomalous negative AO index and positive mean temperature anomaly, (b) anomalous negative AO index and negative mean temperature anomaly, (c) anomalous positive AO index and positive mean temperature anomaly, (d) anomalous positive AO index and negative mean temperature anomaly