L波段微波辐射计机载与卫星观测的对比研究
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杨娜,徐少博,劳从坤,张恒杰,汤燕杰
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Comparisons between Airborne and Space Borne L-band Microwave Radiometer Observations
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Na Yang,Shaobo Xu,Congkun Lao,Hengjie Zhang,Yanjie Tang
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表5 卫星—机载之间的亮温差异
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Table 5 Brightness temperature difference, satellite minus airborne
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亮温差/K | SMOS | SMAP |
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9月19日 | 9月24日 | 9月19日 | 9月24日 |
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H | V | H | V | H | V | H | V |
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匹配方式 | 角度 | + | - | + | - | + | - | + | - | + | - | + | - | + | - | + | - | 面面未平均 | 22.5° | 59.18 | -12.91 | 38.06 | -3.20 | 15.34 | -9.38 | 12.06 | -25.95 | 8.43 | -12.40 | 9.83 | -3.47 | 5.71 | -12.35 | 7.16 | -2.80 | 25° | 21.93 | -10.35 | 33.88 | -11.50 | 8.54 | -5.37 | 12.54 | -14.23 | 9.16 | -11.32 | 10.04 | -4.14 | 5.47 | -11.95 | 6.99 | -3.25 | 27.5° | 13.59 | -6.31 | 40.11 | -4.59 | 10.08 | -6.63 | 15.19 | -5.32 | 10.80 | -9.98 | 10.69 | -2.87 | 6.48 | -12.26 | 8.38 | -3.32 | 30° | 14.53 | -10.15 | 41.16 | -0.97 | 12.07 | -6.89 | 10.17 | -6.83 | 10.82 | -7.36 | 11.13 | -4.70 | 7.07 | -8.48 | 5.64 | -4.91 | 32.5° | 18.00 | -4.36 | 42.45 | -3.61 | 9.76 | -7.32 | 9.58 | -6.65 | 12.03 | -4.19 | 11.17 | -6.20 | 8.21 | -6.70 | 5.81 | -6.31 | 总和 | 113.64 | -44.08 | 195.66 | -23.87 | 55.79 | -35.59 | 59.54 | -58.98 | 51.24 | -45.25 | 52.86 | -21.38 | 32.94 | -51.74 | 33.98 | -20.59 | 面面平均 | 22.5° | 55.84 | -10.77 | 38.94 | -5.95 | 13.06 | -10.22 | 8.69 | -43.50 | 6.79 | -9.52 | 6.06 | -1.77 | - | -12.29 | 6.95 | -2.88 | 25° | 19.69 | -9.57 | 36.16 | -2.11 | 9.55 | -1.35 | 10.71 | -18.15 | 9.41 | -7.31 | 5.77 | -2.27 | 0.49 | -9.39 | 6.04 | -1.57 | 27.5° | 13.88 | -5.44 | 41.52 | -0.76 | 9.80 | -8.88 | 13.79 | -8.29 | 4.37 | -6.15 | 7.37 | -0.20 | 7.14 | -9.48 | 7.55 | -1.25 | 30° | 15.09 | -6.80 | 43.57 | - | 11.27 | -7.92 | 9.29 | -10.97 | 6.02 | -4.40 | 6.94 | -2.09 | 4.32 | -6.16 | 2.94 | -4.28 | 32.5° | 20.72 | -0.74 | 46.04 | -3.26 | 9.95 | -7.22 | 10.28 | -7.15 | 8.05 | -1.73 | 7.14 | -1.79 | 7.72 | -4.02 | 8.21 | -4.35 | 总和 | 125.22 | -33.32 | 206.23 | -12.08 | 53.63 | -35.59 | 52.76 | -88.06 | 34.64 | -29.11 | 33.28 | -8.12 | 19.67 | -41.34 | 31.69 | -14.33 | 面面最邻近 | 22.5° | 64.92 | -11.73 | 40.66 | -4.71 | 13.96 | -11.07 | 12.15 | -41.55 | 9.91 | -10.83 | 12.83 | -2.41 | 0.98 | -14.39 | 7.14 | -0.64 | 25° | 21.12 | -14.47 | 33.23 | -2.69 | 10.80 | -3.37 | 11.28 | -15.47 | 7.62 | -9.89 | 15.47 | -2.50 | 1.12 | -11.44 | 6.29 | -1.63 | 27.5° | 13.74 | -6.20 | 39.62 | -2.02 | 11.20 | -8.10 | 14.07 | -9.46 | 8.23 | -9.26 | 6.81 | -4.09 | 6.47 | -11.78 | 7.83 | - | 30° | 13.55 | -11.35 | 41.41 | - | 13.10 | -8.58 | 10.31 | -9.62 | 13.46 | -7.73 | 5.68 | -6.20 | 8.11 | -6.74 | 4.50 | -5.30 | 32.5° | 22.98 | -1.49 | 42.31 | -6.86 | 11.65 | -6.04 | 13.09 | -8.70 | 7.77 | -4.07 | 6.45 | -6.70 | 7.86 | -6.07 | 4.53 | -6.68 | 总和 | 136.31 | -45.24 | 197.23 | -16.28 | 60.71 | -37.16 | 60.9 | -84.8 | 46.99 | -41.78 | 47.24 | -21.9 | 24.54 | -50.42 | 30.29 | -14.25 |
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