基于机器学习订正ERA5的甘肃省地表太阳辐射时空分布
吴欣华, 王思晨, 王菲菲, 王天河, 杜源, 陈涛, 牛亮亮, 赵怀宇, 张昊天

Spatiotemporal distribution of surface solar radiation in Gansu Province based on machine learning correction of ERA5
WU Xinhua, WANG Sichen, WANG Feifei, WANG Tianhe, DU Yuan, CHEN Tao, NIU Liangliang, ZHAO Huaiyu, ZHANG Haotian
图3 不同时刻、不同辐射区间ERA5与LGBM订正的地表下行太阳辐射相较于观测值的平均绝对误差和相对误差
(a) 08:00,(b)12:00,(c)16:00
Fig.3 Mean absolute error and relative error of surface downward solar radiation from ERA5 and LGBM correction compared with observations at different times and different radiation intervals
(a) 08:00,(b) 12:00,(c) 16:00