全球36 km格网土壤水分逐日估算

贾艳昌, 谢谟文, 姜红涛

Daily Estimate of Global 36 km Grid Soil Moisture

JIA Yanchang,XIE Mowen,JIANG Hongtao

表2 GRNN 36 km土壤水分的总体评价

Tab. 2 The overall evaluation of GRNN estimated 36 km soil moisture against SMAP 36 km soil moisture

训练精度 验证精度 总体精度 r 0.7658** 0.7020** 0.7528** rmse/ (m3/m3) 0.0890 0.1005 0.0914 样本量 18 715 4678 23 393