四川地区气温转折过程2 m温度变化订正研究
冯良敏, 周秋雪, 曹萍萍, 王佳津

Study of 2 m temperature variation correction during transitional processes of temperature in Sichuan
FENG Liangmin, ZHOU Qiuxue, CAO Pingping, WANG Jiajin
表3 LightGBM模型、ECMWF模式、SCMOC及SPCO在测试集中的准确率及平均绝对误差对比
Tab.3 The comparison of accuracy and mean absolute error of the LightGBM, ECMWF,SCMOC and SPCO model in the test set
区域 LightGBM ECMWF SCMOC SPCO
R/% MAE/℃ R/% MAE/℃ R/% MAE/℃ R/% MAE/℃
盆地 50.18 2.90 47.88 2.51 32.16 3.94 39.58 2.95
高原与盆地的边坡过渡区 58.44 2.13 50.77 2.44 40.50 3.22 50.30 2.33
川西南山地 45.58 2.79 47.73 2.59 39.86 3.25 50.36 2.54
川西高原 57.60 2.13 42.00 2.81 52.80 2.68 49.20 2.33
全省 53.60 2.19 48.32 2.53 39.58 3.36 47.26 2.54