基于CASA-WOFOST耦合模型的大豆单产遥感估算研究
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纪甫江,蒙继华,方慧婷
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Study on Soybean Yield Estimation Using the CoupledCASA and WOFOST Model
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Fujiang Ji,Jihua Meng,Huiting Fang
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表3 地块尺度下双山农场基地2016年大豆单产模拟精度分析
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Table 3 Analysis results of Soybean Yield Simulation of Shuangshan farm at field scale in 2016
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| 地块名称 | 实测单产/(kg/hm2) | CASA模型/(kg/hm2) | CASA-WOFOST模型/(kg/hm2) | CASA模型 | CASA-WOFOST模型 |
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| 绝对误差(kg/hm2) | 相对误差 | 绝对误差(kg/hm2) | 相对误差 |
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| 一队大头 | 1 713.62 | 1 644.47 | 1 704.25 | 69.14 | 4.20% | 9.37 | 0.55% | | 一分部1# | 1 704.57 | 1 730.42 | 1 696.50 | 25.84 | 1.49% | 8.08 | 0.48% | | 一队副4# | 1 823.64 | 1 807.28 | 1 763.26 | 16.36 | 0.91% | 60.38 | 3.42% | | 一队4#下 | 1 662.37 | 1 779.45 | 1 705.93 | 117.07 | 6.58% | 43.55 | 2.55% | | 一队5#3区 | 1 863.63 | 1 793.76 | 1 872.85 | 69.87 | 3.89% | 9.22 | 0.49% | | 一队三条田 | 1 731.70 | 1 690.88 | 1 723.16 | 40.82 | 2.41% | 8.54 | 0.50% | | 一队2#上 | 1 693.52 | 1 643.58 | 1 665.95 | 49.94 | 3.04% | 27.57 | 1.65% | | 一队7# | 1 773.40 | 1 788.88 | 1 818.46 | 15.48 | 0.87% | 45.06 | 2.48% | | 一队8# | 1 694.53 | 1 701.44 | 1 729.98 | 6.92 | 0.41% | 35.45 | 2.05% | | 一分部10# | 1 805.05 | 1 725.68 | 1 779.31 | 79.36 | 4.60% | 25.74 | 1.45% | | 一分部9# | 1 544.82 | 1 504.08 | 1 594.70 | 40.74 | 2.71% | 49.88 | 3.13% | | 二分部2# | 1 762.85 | 1 721.71 | 1 817.00 | 41.14 | 2.39% | 54.15 | 2.98% | | 一队6#南 | 1 962.80 | 1 968.48 | 1 992.67 | 5.69 | 0.29% | 29.88 | 1.50% | | 一分部2# | 1 660.87 | 1 592.08 | 1 667.86 | 68.78 | 4.32% | 7.00 | 0.42% | | 一队10# | 1 783.95 | 1 653.80 | 1 727.90 | 130.14 | 7.87% | 56.05 | 3.24% | | 一队11# | 1 734.72 | 1 670.50 | 1 715.77 | 64.22 | 3.84% | 18.95 | 1.10% | | 一队5#1区 | 1 835.19 | 1 793.54 | 1 840.15 | 41.66 | 2.32% | 4.96 | 0.27% | | 一队12# | 1 766.87 | 1 832.17 | 1 763.12 | 65.30 | 3.56% | 3.75 | 0.21% | | 一队5#2区 | 1 807.06 | 1 815.55 | 1 814.28 | 8.49 | 0.47% | 7.22 | 0.40% | | 一队5#大区 | 1 593.05 | 1 664.25 | 1 678.66 | 71.20 | 4.28% | 85.62 | 5.10% |
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