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3 1980—2017年北极陆地（60°N以北）年平均（a）地表气温和（b）降水的线性趋势 注：阴影表示4套观测分析资料中至少有3套与ERA-Interim的趋势同号。

Figure 3 Linear trends of annual mean (a) surface air temperature and (b) precipitation over the Arctic land (60°N north) during 1979-2017 based on ERA-Interim (Dotted shadings denote that at least 3 out of the 4 observational analysis datasets agree with the sign of trend in ERA-Interim)