1979—2017年北极陆地气候变化趋势

陈晓龙, 王平

Climate changes over the Arctic land during 1979-2017

CHEN Xiaolong, WANG Ping

图6 1979—2017年ERA-Interim中北极陆地四季平均气温日较差的线性趋势 注：阴影表示通过t检验5%的显著性水平。

Figure 6 Linear trends of diurnal temperature range over the Arctic land during 1979-2017 based on ERA-Interim (a. Winter; b. Spring; c. Summer; d. Autumn. Dotted shadings indicate values exceeding the 5% significance level)