山西最大冻土深度时空分布特征

张小平, 秦璐, 范卫东, 李瑞芳, 田粉平

Spatial-temporal distribution characteristics of maximum frozen soil depth in Shanxi Province

ZHANG Xiaoping, QIN Lu, FAN Weidong, LI Ruifang, TIAN Fenping

图7 1960—2018年山西年最大冻土深度EOF分析前2模态空间型(a、b)及时间系数(c、d) (a, c)第1模态,(b, d)第2模态

Fig.7 The spatial patterns (a, b) and time coefficients (c, d) of the first two modes of annual maximum frozen soil depth decomposed by EOF in Shanxi during 1960-2018 (a, c) the first mode, (b, d) the second mode