MCD43A3积雪地表遥感反照率产品精度分析与评价

朱文哲,游冬琴,闻建光,刘强,唐勇

Evaluating the Performance of MODIS Albedo Products (MCD43A3) over Seasonal Snow-covered Land Surface

Wenzhe ZHU,Dongqin YOU,Jianguang WEN,Qiang LIU,Yong Tang

表3 MCD43A3反照率产品在积雪期、无雪期的精度

Table 3 The accuracy of the MCD43A3 albedo products in snow-covered and snow-free periods at each tower sites

精度指标 Brooking CA-NS6 CA-SF2 CA-SF3 CA-WP1 Fort-Peck Mead-I n 无雪期 530 291 517 446 247 989 677 积雪期 604 283 377 411 165 985 439 RMSE 无雪期 0.026 7 0.062 4 0.012 4 0.011 9 0.028 2 0.070 4 0.030 1 积雪期 0.176 0 0.101 5 0.208 7 0.099 0 0.238 7 0.134 3 0.125 6 biasR 无雪期 11.85% 41.71% 9.34% 10.29% 18.16% 31.16% 16.14% 积雪期 32.02% 21.72% 88.88% 22.69% 41.22% 30.85% 37.74%