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
表4 1961 - 2017年东北地区降雪量、 降雪日数变化趋势达到0.05信度检验的站数
Table 4 The number of stations with secular trend(significant at the 0.05 level)for snowfall and snowfall days from 1961 to 2017 in Northeast China
要素变化 趋势总降雪小雪中雪大雪暴雪
降雪量正趋势135(79)106(38)138(57)132(44)101(14)
负趋势27(3)56(5)24(0)30(1)60(6)
降雪日数正趋势20(4)61(15)140(60)139(45)113(16)
负趋势142(123)101(16)22(0)23(1)49(2)