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
表2 近地表土壤冻融状态数据集冻结首日、冻结终日和冻结天数平均值、偏差及均方根误差
Table 2 Bias and RMSE of the onset and offset of soil frozen and the number of frozen days for near-surface soil measured, simulated with single index algorithm, double index algorithm and decision tree algorithm
产品冻结首日冻结终日冻结天数
平均值BiasRMSE平均值BiasRMSE平均值BiasRMSE
站点资料10月19日4月17日136.1
单指标算法10月19日-1.131.44月15日-2.329.5128.8-9.030.8
双指标算法10月03日-10.639.34月25日1.435.1167.818.648.9
决策树算法11月09日29.147.43月30日-26.644.7114.5-41.161.7