GWR模型在土壤重金属高光谱预测中的应用

江振蓝, 杨玉盛, 沙晋明

Application of GWR model in hyperspectral prediction of soil heavy metals

Zhenlan JIANG, Yusheng YANG, Jinming SHA

表5 福州市土壤重金属与变量间关系的空间非平稳性检验

Tab. 5 Test of spatial non-stationarity of the relationship between soil heavy metal and variables in Fuzhou City

重金属 常量 变量1 变量2 变量3 变量4 UQ-LQ SE UQ-LQ SE UQ-LQ SE UQ-LQ SE UQ-LQ SE Cd 0.04 0.18 3286.93 2440.54 0.03 0.09 Cu 27.71 11.23 24251.91 10698.67 2.51 0.82 15446.67 3914.22 Pb 252.90 287.82 1035.71 978.55 323742.57 155253.07 1329.4 1314.67 234.69 289.44 Cr 15.78 3.60 277645.03 51064.04 6360.06 1981.41 Zn 153.11 31.68 80.30 17.37 17108.15 6167.21 Ni 6.39 5.03 2.39 2.32 61.63 70.43