黄河景电灌区土壤盐渍化反演的多模型对比

蒋小芳, 徐青霞, 段翰晨, 廖杰, 郭平林, 黄翠华, 薛娴

Multi-model comparison on soil salinization inversion in Jingdian irrigation area of the Yellow River

Xiaofang Jiang, Qingxia Xu, Hanchen Duan, Jie Liao, Pinglin Guo, Cuihua Huang, Xian Xue

表2 基于相关性倒序排列筛选的不同波段数目的建模结果

Table 2 Modeling results of different band filtering number based on correlation reversed arrangement

波段数 DNN DRF GBM RMSE R2 RMSE R2 RMSE R2 5 1.73 0.80 2.36 0.63 1.88 0.77 10 2.86 0.74 3.26 0.70 3.16 0.74 20 3.36 0.69 3.40 0.56 3.57 0.65 40 3.51 0.73 4.2 0.64 3.57 0.72 60 3.46 0.72 3.56 0.70 3.49 0.71 80 2.25 0.75 3.55 0.51 2.99 0.59 100 3.27 0.66 3.58 0.62 3.22 0.65 均值 2.92 0.73 3.42 0.62 3.13 0.79