黄土高原沟谷密度空间分异特征研究
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田剑, 汤国安, 周毅, 宋效东
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Spatial Variation of Gully Density in the Loess Plateau
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Jian TIAN, Guo-an TANG, Yi ZHOU, Xiao-dong SONG
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表1 沟谷密度插值模型验证结果 |
Table 1 Interpolation model validation of gully density |
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编号 | 计算值 (km/km2) | 预测值 (km/km2) | 预测 误差 | 相对误差 (%) | 1 | 7.24 | 8.38 | -1.14 | 15.75 | 2 | 9.78 | 10.91 | -1.13 | 11.55 | 3 | 9.69 | 8.7 | 0.99 | 10.21 | 4 | 8.04 | 9.02 | -0.98 | 12.19 | 5 | 4.02 | 4.08 | -0.06 | 1.49 | 6 | 4.7 | 3.89 | 0.81 | 17.23 | 7 | 5.9 | 3.84 | 2.06 | 34.91 | 8 | 6.38 | 6.44 | -0.06 | 0.94 | 9 | 8.8 | 8.11 | 0.69 | 7.84 | 10 | 3.2 | 3.6 | -0.4 | 12.5 |
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