基于Triple Collocation方法的土壤湿度误差分析

吴凯, 舒红, 聂磊, 焦振航

Error analysis of soil moisture based on Triple Collocation method

Kai WU, Hong SHU, Lei NIE, Zhenhang JIAO

表1 ERA,ASCAT和AMSR-E土壤湿度误差的正态分布参数及区间估计(α=0.05)

Tab.1 Normal distribution parameter and interval estimation of ERA, ASCAT, AMSR-E soil moisture error

参数 μ估计值 μ置信区间 σ估计值 σ置信区间 ERA 4.920 9 [4.888 0, 4.953 9] 1.727 6 [1.704 6, 1.751 2] ASCAT 12.728 9 [12.6437, 12.81 4] 4.468 4 [4.409 0, 4.529 4] AMSR-E 5.214 6 [5.141 5, 5.287 7] 3.834 5 [3.783 6, 3.886 9]