东北地区冬半年积雪与气温对冻土的影响
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Influence of snow and temperature on the depth of frozen soil in winter half year in Northeast China
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图5. 1964—2017年东北地区最大冻土深度、最大积雪深度月变化 |
Fig.5. Monthly variation of the average maximum frozen soil depth and average maximum snow depth in Northeast China from 1964 to 2017 |
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