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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4. 1964—2017年东北地区冬半年平均最大积雪深度(a)、平均气温(b)、地表平均气温(c)、负积温(d)空间分布

Fig.4. Spatial distribution of average maximum snow depth (a), average temperature (b), average surface temperature (c), negative accumulated temperature (d) in winter half year in Northeast China from 1964 to 2017