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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9. 黑龙江呼玛站1996年(1996年8月到1997年7月)和1997年(1997年8月到1998年7月)积雪深度(a)、冻土深度(b)、平均气温(c)、地表平均气温(d)年变化

Fig.9. Annual variation of snow depth (a), frozen soil depth (b), average temperature (c) and average surface temperature (d) in Huma Station in 1996 (from August 1996 to July 1997) and 1997 (from August 1997 to July 1998)