[an error occurred while processing this directive]
东北地区冬半年积雪与气温对冻土的影响
周晓宇1(), 赵春雨1(), 李娜2, 刘鸣彦1, 崔妍1, 敖雪1
Influence of snow and temperature on the depth of frozen soil in winter half year in Northeast China
Xiaoyu ZHOU1(), Chunyu ZHAO1(), Na LI2, Mingyan LIU1, Yan CUI1, Xue AO1

图3. 1964—2017年东北地区冬半年平均最大冻土深度(a)及其变化趋势(b)的空间分布(“+”为通过0.05信度检验的站点)

Fig.3. Spatial distribution of average maximum frozen soil depth (a) and its variation trend (b) in winter half year in Northeast China from 1964 to 2017 (+ denotes the trend significant at the 95% confidence level)