基于机器学习和大数据平台的陆地生态系统碳收支遥感监测

高帅,侯学会,汪云,王倩,陈悦,邢瑞,王晶

Remote Sensing Monitoring of Terrestrial Ecosystem Carbon Budget based on Machine Learning and Big Data Platform

Shuai Gao,Xuehui Hou,Yun Wang,Qian Wang,Yue Chen,Rui Xing,Jing Wang

表1 GPP模型、MODIS GPP产品、NEP模型分别与通量塔站点对比

Table 1 The GPP model， MODIS GPP product and NEP model compared with flux tower sites

IGBP	GPP_RFR		GPP_MODIS		NEP_RFR
IGBP	R²	RMSE (g C m^-2 d^-1)	R²	RMSE (g C m^-2 d^-1)	R²	RMSE (g C m^-2 d^-1)
DBF	0.81	2.02	0.69	2.69	0.70	1.75
GRA	0.78	1.77	0.6	2.51	0.37	1.44
WSA	0.78	1.12	0.48	1.72	0.41	1.03
OSH	0.71	0.64	0.53	1.17	0.34	0.76
CRO	0.69	3.01	0.41	4.47	0.55	2.37
ENF	0.68	1.92	0.61	2.29	0.35	1.67
MF	0.68	2.03	0.61	2.31	0.43	1.64
WET	0.61	2.27	0.48	2.69	0.43	1.54
EBF	0.59	2.05	0.44	2.57	0.18	1.90
SAV	0.43	1.87	0.19	2.42	0.24	1.51