青藏高原FY-3C卫星积雪产品评估

闵文彬, 彭骏, 李施颖

The evaluation of FY-3C snow products in the Tibetan Plateau

MIN Wenbin, PEN Jun, Li Shiying

表3 不同积雪深度的FY-3C积雪产品检测结果

Tab.3 The evaluation results of FY3C snow cover products with different snow depth

积雪深度/cm [0.5,1] (1,2] (2,3] (3,4] (4,5] (5,6] (6,8] (8,10] >10 >2 合计 MULSS_SNC判识结果 地面积雪像元数/个 460 185 118 103 69 50 77 48 186 651 1 296 判识正确像元数/个 168 116 99 83 61 44 71 41 181 580 864 召回率/% 36.52 62.70 83.90 80.58 88.41 88.00 92.21 85.42 97.31 89.09 66.67 漏判像元数/个 292 69 19 20 8 6 6 7 5 71 432 漏判率/% 63.48 37.30 16.10 19.42 11.59 12.00 7.79 14.58 2.69 10.91 33.33 漏判百分比/% 67.59 15.97 4.40 4.63 1.85 1.39 1.39 1.62 1.16 16.44 100 MWRIX_SWE反演结果 地面积雪像元数/个 723 286 214 154 119 67 110 72 266 1 002 2 011 判识正确像元数/个 238 125 101 85 75 48 85 49 192 635 998 SWE召回率/% 32.92 43.71 47.20 55.19 63.03 71.64 77.27 68.06 72.18 63.37 49.63 SWE漏判像元数/个 485 161 113 69 44 19 25 23 74 367 1 013 SWE漏判率/% 67.08 56.29 52.80 44.81 36.97 28.36 22.73 31.94 27.82 36.63 50.37 SWE漏判百分比/% 47.88 15.89 11.15 6.81 4.34 1.88 2.47 2.27 7.31 36.23 100