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 Kang1, Zhang Tingjun1,2,*
图1 中国气象站点分布图背景颜色为海拔高度
Fig.1 Distribution of meteorological stations across ChinaBackground color reflects elevations