Spatiotemporal features of pollutant loads in the Yan River Basin, a typical loess hilly and gully watershed in the Chinese Loess Plateau

Geoscience Letters

Official Journal of the Asia Oceania Geosciences Society (AOGS)

Table 2 Evaluation of LOADEST performance in simulating COD, TN, and TP loads

Monitoring water quality stations	Pollutants	R²	NSE	PBIAS (%)	PPCC*
Ansai	COD	0.94	0.90	− 15.1	0.88
	TN	0.78	0.64	− 18.9	0.95
	TP	0.78	0.62	− 24.1	0.98
Shiyaocun	COD	0.76	0.71	− 17.7	0.99
	TN	0.67	0.60	− 15.3	0.96
	TP	0.72	0.70	− 14.7	0.99
Zhujiagou	COD	0.84	0.80	− 16.4	0.98
	TN	0.58	0.54	− 17.3	0.97
	TP	0.52	0.51	− 6.9	0.97
Ganguyi	COD	0.69	0.56	− 23.2	0.95
	TN	0.71	0.59	− 20.4	0.98
	TP	0.81	0.70	− 22.4	0.97
Tanjiahe	COD	0.73	0.6	− 14	0.99
	TN	0.58	0.49	− 13	0.98
	TP	0.58	0.53	− 14.6	0.98