1961 - 2017年中国东北地区降雪时空演变特征分析
周晓宇, 赵春雨, 崔妍, 刘鸣彦, 敖雪, 李娜, 李经纬

Analyzing the characteristics of temporal and spatial evolution of snowfall in Northeast China from 1961 to 2017
Xiaoyu ZHOU, Chunyu ZHAO, Yan CUI, Mingyan LIU, Xue AO, Na LI, Jingwei LI
图7 1961 - 2017年东北地区年降雪量(a)、 降雪日数(b)变化趋势的空间分布(“+”为通过0.05信度检验的站点)
Fig.7 The spatial distributions of linear trend of annual snowfall (a) and of snowfall days (b) from 1961 to 2017 in Northeast China (+ denotes the trend significant at the 95% confidence level)