秦岭—大巴山高分辨率气温和降水格点数据集的建立及其对区域气候的指示

陆福志,鹿化煜

A high-resolution grid dataset of air temperature and precipitation for Qinling-Daba Mountains in central China and its implications for regional climate

LU Fuzhi,LU Huayu

表2 本文交叉验证结果及其与WorldClim 2.0数据集的比较

Tab. 2 Cross-validation results in this study and comparison with WorldClim 2.0 dataset

气候参数 QB-2018 WorldClim 2.0 单位 R MAE RMSE MRE(%) R MAE RMSE MRE(%) T1 0.985 0.46 0.68 NA 0.951 0.65 1.22 NA ℃ T2 0.981 0.44 0.67 NA 0.930 0.74 1.38 NA ℃ T3 0.976 0.45 0.66 NA 0.905 0.78 1.41 NA ℃ T4 0.978 0.40 0.56 NA 0.892 0.73 1.35 NA ℃ T5 0.981 0.37 0.53 NA 0.893 0.74 1.39 NA ℃ T6 0.985 0.32 0.48 NA 0.888 0.78 1.46 NA ℃ T7 0.986 0.32 0.45 NA 0.887 0.73 1.43 NA ℃ T8 0.987 0.34 0.46 NA 0.899 0.86 1.43 NA ℃ T9 0.987 0.34 0.48 NA 0.915 0.68 1.35 NA ℃ T10 0.987 0.35 0.51 NA 0.930 0.65 1.25 NA ℃ T11 0.986 0.43 0.63 NA 0.949 0.63 1.19 NA ℃ T12 0.985 0.46 0.66 NA 0.957 0.66 1.15 NA ℃ Tspr 0.979 0.39 0.57 NA 0.897 0.73 1.36 NA ℃ Tsum 0.986 0.31 0.45 NA 0.892 0.75 1.42 NA ℃ Taut 0.988 0.35 0.52 NA 0.933 0.63 1.24 NA ℃ Twin 0.985 0.44 0.65 NA 0.948 0.63 1.22 NA ℃ Tann 0.985 0.35 0.52 NA 0.921 0.63 1.28 NA ℃ P1 0.976 1.5 2.2 12.6 0.928 2.7 4.1 23.0 mm P2 0.983 1.7 2.5 10.1 0.959 2.9 4.3 17.1 mm P3 0.975 2.7 3.8 8.6 0.954 4.4 6.0 13.9 mm P4 0.987 3.5 5.1 6.5 0.951 12.2 14.1 22.6 mm P5 0.983 5.2 7.2 6.0 0.953 10.3 12.7 11.9 mm P6 0.976 7.0 10.1 6.6 0.958 9.8 13.6 9.2 mm P7 0.925 13.2 20.1 8.4 0.808 24.1 31.6 15.4 mm P8 0.887 10.8 16.2 8.1 0.802 16.8 24.0 12.6 mm P9 0.921 7.5 11.5 7.7 0.835 21.0 26.2 21.6 mm P10 0.969 4.0 5.4 6.6 0.923 7.6 9.9 12.8 mm P11 0.982 2.1 3.0 7.8 0.950 5.1 6.3 19.2 mm P12 0.976 1.2 1.7 10.8 0.939 2.0 2.8 18.8 mm Pspr 0.987 9.5 13.7 5.5 0.965 22.2 27.9 12.8 mm Psum 0.945 26.0 40.2 6.6 0.878 42.8 60.1 10.8 mm Paut 0.954 11.8 16.9 6.4 0.899 31.6 38.8 17.2 mm Pwin 0.981 4.1 6.0 10.4 0.956 6.8 9.6 17.3 mm Pann 0.971 43.0 64.3 5.4 0.936 78.5 104.5 9.9 mm