干旱区大尺度土壤盐度信息环境建模——以新疆天山南北中低海拔冲积平原为例

丁建丽, 王飞

Environmental modeling of large-scale soil salinity information in an arid region: A case study of the low and middle altitude alluvial plain north and south of the Tianshan Mountains, Xinjiang

Jianli DING, Fei WANG

表2 基于逐步回归分析确定最佳环境变量组合

Tab. 2 Selection of variables based on stepwise regression model

模型 R R2 调节的R2 标准误差评价 1 0.634a 0.402 0.395 18.83 2 0.750b 0.563 0.554 16.182 3 0.807c 0.652 0.640 14.52 4 0.844d 0.713 0.700 13.26 5 0.870e 0.757 0.744 12.26