近50年来祁连山及河西走廊极端气温的季节变化特征

贾文雄

Seasonal Characteristics of Extreme Temperature Changes in Qilian Mountains and Hexi Corridor During Last Fifty Years

Wen-xiong JIA

图2 祁连山及河西走廊春、夏、秋、冬季极端高温天气(a,c,e,g)和极端低温天气(b,d,f,h)的年际变化趋势(折线为年际变化;曲线为5 a滑动趋势;斜线为多年趋势;短线为多年平均)

Fig.2 Inter-annual change of extreme high temperature days(a,c,e,g) and extreme low temperature days(b,d,f,h) in spring, summer, autumn and winter in Qilian Mountains and Hexi Corridor