基于3种空间预测方法的黄土区土壤颗粒组成空间分布研究—以宁夏海原县为例

申哲,张认连,龙怀玉,王转,朱国龙,石乾雄,喻科凡,徐爱国

Research on Spatial Distribution of Soil Particle Size Distribution in Loess Region Based on Three Spatial Prediction Methods—Taking Haiyuan County in Ningxia as an Example

SHEN Zhe,ZHANG RenLian,LONG HuaiYu,WANG Zhuan,ZHU GuoLong,SHI QianXiong,YU KeFan,XU AiGuo

表6 不同空间预测方法精度对比

Table 6 Accuracy comparison of different spatial prediction methods

方法 Method 砂粒 Sand 粉粒 Silt 黏粒 Clay MAD MAE (%) RMSE (%) MAE (%) RMSE (%) MAE (%) RMSE (%) SLR-EBK 5.706 6.741 3.515 4.308 3.113 4.069 0.274 SLR-RK 4.404 5.447 2.756 3.408 2.839 3.677 0.235 SLR-RF 3.809 4.868 2.623 3.317 2.189 2.914 0.208