Table 5. Model performance measures for stream flow and NO₃-N loads.

Period	Variable	Stream flow		NO3-N loads
		TCW	GW	TCW	GW
Calibration	NSE	0.705**	0.703**	0.687**	0.594*
	RSR	0.537**	0.540**	0.554**	0.631*
	P-bias (%)	-9.4***	-9.4***	-10.8***	-13.7***
Validation	NSE	0.759***	0.661**	0.561*	0.631*
	RSR	0.483***	0.573**	0.652*	0.598**
	P-bias (%)	2.7***	12.8***	-12.9***	-9.8***

Note: Model performances were rated based on the criteria of Moriasi et al. (2008) [22];

* Satisfactory,

** Good,

*** Very Good.