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8 1979—2017年ERA-Interim中北极陆地地表气温极端指标的线性趋势 注：阴影表示通过t检验5%的显著性水平,下同。

Figure 8 Linear trends of extreme temperature indices in (left column) winter and (right column) summer over the Arctic land during 1979-2017 based on ERA-Interim (a, b. Maximum of daily maximum temperature (TXx); c, d. Minimum of daily maximum temperature (TXn); e, f. Maximum of daily minimum temperature (TNx); g, h. Minimum of daily minimum temperature (TNn). Dotted shadings indicate values exceeding the 5% significance level, the same below)