VIIRS/DNB夜间灯光月度产品插补方法对比——以北京为例
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陈慕琳, 蔡红艳
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Interpolation methods comparison of VIIRS/DNB nighttime light monthly composites: A case study of Beijing
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Mulin CHEN, Hongyan CAI
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表2 差异绝对值分布范围分段统计 |
Tab.2 Classification of absolute difference value |
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预测月份 | | Dabs分级/(nWcm-2sr-1) | 三次样条插值 | | 三次Hermite插值 | | 灰色预测模型 | | 三次指数平滑 | 比例/% | 平均值/ (nWcm-2sr-1) | 比例/% | 平均值/ (nWcm-2sr-1) | 比例/% | 平均值/ (nWcm-2sr-1) | 比例/% | 平均值/ (nWcm-2sr-1) | 5月 | | 0~2 | 88.55 | 0.28 | | 91.40 | 0.24 | | 74.78 | 0.45 | | 90.65 | 0.27 | | 2~10 | 10.04 | 4.41 | | 8.05 | 4.09 | | 22.18 | 4.49 | | 8.66 | 4.09 | | 10~30 | 1.30 | 14.54 | | 0.52 | 14.56 | | 2.99 | 13.86 | | 0.62 | 14.28 | | ≥30 | 0.11 | 46.19 | | 0.03 | 41.03 | | 0.05 | 42.37 | | 0.07 | 51.18 | | ADabs/ (nWcm-2sr-1) | 0.93 | | 0.64 | | 1.77 | | 0.72 | 6月 | | 0~2 | 87.55 | 0.27 | | 90.86 | 0.26 | | 75.84 | 0.39 | | 89.21 | 0.26 | | 2~10 | 10.94 | 4.34 | | 8.42 | 4.01 | | 20.89 | 4.49 | | 9.83 | 4.21 | | 10~30 | 1.34 | 14.87 | | 0.62 | 15.08 | | 3.12 | 14.09 | | 0.85 | 14.50 | | ≥30 | 0.17 | 209.37 | | 0.10 | 314.35 | | 0.15 | 228.50 | | 0.11 | 293.43 | | ADabs/ (nWcm-2sr-1) | 1.26 | | 0.98 | | 2.01 | | 1.09 | 7月 | | 0~2 | 86.05 | 0.26 | | 86.93 | 0.24 | | 73.92 | 0.39 | | 84.45 | 0.24 | | 2~10 | 11.13 | 4.76 | | 10.52 | 4.88 | | 21.69 | 4.68 | | 10.59 | 4.98 | | 10~30 | 2.59 | 14.94 | | 2.35 | 14.48 | | 4.13 | 14.41 | | 4.60 | 15.58 | | ≥30 | 0.24 | 83.30 | | 0.20 | 82.59 | | 0.26 | 67.36 | | 0.36 | 63.70 | | ADabs/ (nWcm-2sr-1) | 1.34 | | 1.23 | | 2.08 | | 1.68 |
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