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4 近地表土壤冻融状态数据集与气象台站资料冻结指标均方根误差

Fig.4 Distributions of the RMSE between the measured and the simulated onset （a， b， c）， offset （d， e， f） and the number of frozen days （g， h， i） for near-surface soil with single index algorithm （a， d， g）， with double index algorithm （b， e， h） and with decision tree algorithm （c， f， i） for stations across China