基于AMSR2多频亮温的黑河流域中上游土壤水分估算研究

陆峥,韩孟磊,卢麾,彭雪婷,蒙莎莎,刘进,杨晓帆

Estimating Soil Moisture in the Middle and Upper Reaches of the Heihe River Basin based on AMSR2 Multi-brightness Temperature

Zheng Lu,Menglei Han,Hui Lu,Xueting Peng,Shasha Meng,Jin Liu,Xiaofan Yang

表2 2013年7月1日~2014年6月30日内3种拟合方法的表现统计表

Table 2 Performance statistics of the 4-grid cross-fitness (1st July, 2013 – 30th June, 2014)

升轨 降轨 轮次 验证像元 每轮验证 最终验证 每轮验证 最终验证 RMSE R BIAS RMSE R BIAS RMSE R BIAS RMSE R BIAS 1 WATER-NET 4 0.062 0.267 0.017 0.084 0.264 -0.054 0.045 0.592 0.022 0.050 0.497 -0.053 2 WATER-NET 3 0.051 0.379 -0.024 0.085 0.375 0.074 0.044 0.435 -0.021 0.052 0.540 0.080 3 WATER-NET 2 0.067 0.350 -0.053 0.069 0.245 0.030 0.051 0.486 -0.033 0.058 0.488 0.056 4 WATER-NET 1 0.060 0.323 -0.006 0.127 0.178 -0.108 0.47 0.598 0.009 0.093 0.468 -0.090