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5 SLR-RF参数拟合结果

Table 5 SLR-RF parameter fitting results

粒级Soil particle 辅助变量Auxiliary variable Ntree Mtry 砂粒 Slr-sand Ele、ST1、Slo、WEI 300 2 粉粒 Slr-silt Ele、ST2、Slo、WEI 300 2 黏粒 Slr-clay Ele、ST3、Slo、WEI 300 2