被动微波遥感近地表土壤冻融状态数据产品对比及分析
邵婉婉, 张廷军

Comparison and analysis of the near-surface soil freeze/thaw status datasets obtained by passive microwave remote sensing
Wanwan SHAO, Tingjun ZHANG
图2 1987—2008年气象台站冻结首日、冻结终日和冻结天数变化率(圆形代表P<0.05,三角形代表P≥0.05)
Fig.2 Distributions of annual changing rates of the onset (a, b, c, d) and offset (e, f, g, h) and the number of frozen days (i, j, k, l) for near-surface soil measured (a, e, i), simulated with single index algorithm (b, f, j), simulated with double index algorithm (c, g, k) and simulated with decision tree algorithm (d, h, l) for stations across China,1987—2008 (circle: P<0.05; triangle: P≥0.05)