基于多源遥感及气象数据的河流非光学活性水质参数反演模型研究

兑紫璇,王卿,王敏,张璟,顾倩荣

Research on the Retrieval Model of Non-optically Active Water Quality Parameters of Rivers based on Multi-source Remote Sensing and Meteorological Data

Zixuan DUI,Qing WANG,Min WANG,Jing ZHANG,Qianrong GU

表6 不同方法的模型能到的最佳水质参数反演性能

Table 6 The best retrieval performance of water quality parameters that can be obtained by models of different methods

方法	指标	非光学活性水质参数
方法	指标	DO	COD	NH₃-N
MLR	R²	0.383	0.066	0.120
	MAE/(mg $?$ L^-1)	1.027	1.046	0.251
	RMSE/(mg $?$ L^-1)	1.650	1.561	0.132
SVR	R²	0.896	0.707	0.334
	MAE/(mg $?$ L^-1)	0.276	0.441	0.171
	RMSE/(mg $?$ L^-1)	0.263	0.506	0.087
RF	R²	0.879	0.699	0.529
	MAE/(mg $?$ L^-1)	0.359	0.495	0.137
	RMSE/(mg $?$ L^-1)	0.300	0.514	0.061
MLP	R²	0.867	0.781	0.536
	MAE/(mg $?$ L^-1)	0.337	0.398	0.129
	RMSE/(mg $?$ L^-1)	0.337	0.383	0.061