四川夏季降水量空间插值方法的比较
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李想, 李国平
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Comparative study on spatial interpolation methods of summer precipitation in Sichuan
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LI Xiang, LI Guoping
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表3 全区与各区多年平均夏季降水交叉检验结果
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Tab.3 Cross-check results of multi-year average summer precipitation in the whole region and each district
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区域 | 插值方法 | 平均误差/mm | 平均绝对误差/mm | 标准均方根误差/mm | 综合相对误差/% | 全区 | OK | 9.61 | 49.63 | 64.51 | 9.91 | IDW | 9.97 | 51.62 | 69.58 | 10.48 | RBF | 3.92 | 47.00 | 60.87 | 9.17 | EBK | 2.61 | 46.80 | 61.08 | 9.11 | AlNdSl组合CoK | 4.27 | 56.60 | 74.67 | 11.11 | LaAlSl组合CoK | 2.36 | 64.07 | 85.02 | 12.51 | LaAlNd组合CoK | 3.61 | 62.72 | 83.04 | 12.33 | 区域1 | OK | -1.97 | 41.92 | 48.94 | 7.77 | IDW | -0.07 | 41.88 | 49.45 | 7.84 | RBF | -0.09 | 41.29 | 48.85 | 7.69 | EBK | 1.07 | 41.79 | 47.80 | 7.82 | LoNdSl组合CoK | 2.57 | 39.20 | 46.58 | 7.46 | LoLaSl组合CoK | 2.50 | 40.39 | 48.62 | 7.70 | LoAlSl组合CoK | -1.97 | 41.92 | 48.94 | 7.77 | 区域2 | OK | 2.89 | 51.95 | 73.06 | 10.60 | IDW | 7.05 | 52.47 | 78.70 | 11.25 | RBF | 2.98 | 48.78 | 67.77 | 9.84 | EBK | 2.88 | 46.52 | 64.58 | 9.26 | LoLaAl组合CoK | 1.11 | 63.93 | 97.06 | 13.70 | LoNdSl组合CoK | 3.19 | 58.10 | 85.58 | 12.33 | LoLaSl组合CoK | 3.21 | 63.41 | 93.74 | 13.64 | 区域3 | OK | 0.44 | 37.84 | 48.65 | 9.30 | IDW | 1.62 | 37.65 | 47.99 | 9.29 | RBF | 4.68 | 32.86 | 43.66 | 8.13 | EBK | 2.39 | 33.17 | 41.90 | 8.20 | LoAlNd组合CoK | 0.41 | 34.87 | 43.91 | 8.60 | AlNdSl组合CoK | 0.24 | 30.15 | 39.96 | 7.40 | LaAlNd组合CoK | 1.12 | 37.64 | 48.57 | 9.27 | 区域4 | OK | 12.23 | 75.36 | 90.80 | 13.01 | IDW | 18.09 | 65.22 | 85.21 | 11.46 | RBF | 8.70 | 60.64 | 74.30 | 10.53 | EBK | 6.30 | 61.42 | 75.53 | 10.62 | LoLaNd组合CoK | 5.27 | 71.37 | 91.25 | 12.07 | LoLaSl组合CoK | 5.02 | 70.93 | 90.96 | 12.00 | LoLaAl组合CoK | 3.66 | 71.02 | 91.07 | 12.01 |
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