基于Sentinel-1和MODIS数据反演农田地表土壤水分—以REMEDHUS地区为例
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杨欣源,白晓静
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Retrieval of Soil Moisture in Agricultural Area based on Sentinel-1 and MODIS Data
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Xinyuan Yang,Xiaojing Bai
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表1 耦合模型的标定系数以及统计指标
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Table 1 Calibrated parameters for the coupled model and statistic results
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站点 名称 | 植被 参数 | 有效粗糙度参数 | 模型系数 | 统计指标 |
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| s (cm) | l (cm) | a | b | Bias (dB) | MAE (dB) | RMSE (dB) | R |
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| LasBodegas | NDVI | 0.5 | 6 | -10.68 | -2.61 | -0.09 | 0.78 | 0.95 | 0.82 | | EVI | 0.5 | 6 | -29.04 | -4.31 | -0.08 | 0.73 | 0.92 | 0.83 | | LAI | 0.7 | 13 | -3.39 | -1.48 | 0.01 | 0.77 | 0.97 | 0.81 | | FPAR | 0.5 | 6 | -8.66 | -2.31 | -0.09 | 0.78 | 0.97 | 0.81 | | VH | 1.2 | 20 | -0.01 | 0.07 | -0.10 | 1.11 | 1.30 | 0.63 | | LasVacas | NDVI | 0.5 | 6 | -5.55 | -1.80 | -0.12 | 1.03 | 1.18 | 0.49 | | EVI | 0.6 | 8 | -14.34 | -2.83 | -0.12 | 0.96 | 1.07 | 0.61 | | LAI | 0.6 | 8 | -1.49 | -0.93 | 0.06 | 0.56 | 0.71 | 0.85 | | FPAR | 0.6 | 9 | -6.90 | -2.09 | -0.09 | 0.69 | 0.83 | 0.79 | | VH | 1.2 | 20 | -0.01 | 0.05 | -0.04 | 0.87 | 1.04 | 0.68 | | Zamarron | NDVI | 0.7 | 6 | 2.08 | 0.30 | -0.16 | 0.96 | 1.16 | 0.79 | | EVI | 0.8 | 17 | -3.16 | -2.07 | -0.18 | 0.92 | 1.09 | 0.84 | | LAI | 0.8 | 17 | -4.59 | -1.88 | -0.15 | 0.98 | 1.21 | 0.89 | | FPAR | 0.8 | 15 | -.244 | -1.60 | -0.22 | 0.98 | 1.16 | 0.86 | | VH | 1.2 | 18 | -0.01 | 0.05 | -0.04 | 0.71 | 0.81 | 0.90 |
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