中国1956—2006年地表土壤冻结天数时空分布及其变化特征
王康
1
, 张廷军
2,
3,
*
Spatial and Temporal Distribution and Variations in the Near-surface Soil Freezing Days across China, 1956-2006
Wang Kang
1
, Zhang Tingjun
1,
2,
*
图2 近地表土壤冻结天数的计算流程
Fig.2 Flow chart of calculation for the number of near-surface soil freezing days