USGS Open-File Report 2012-1274 - Potential Climate-Induced Runoff Changes and Associated Uncertainty in Four Pacific Northwest Estuaries

Table 10. Model goodness of fit metrics

Calibration sub-watershed		Nash-Sutcliffe efficiency (NSE)	Correlation coefficient (r)	Index of agreement (d)	Annual bias (percent)
Coos Bay
	Calibration period (1982-1991)	0.73	0.85	0.91	4.92
	Verification period (1991-1996)	0.69	0.84	0.91	-3.43
	Total period (1982-1996)	0.71	0.85	0.91	1.73
Coquille River
	Calibration period (1970-1984)	0.87	0.93	0.96	-3.38
	Verification period (1984-1996)	0.81	0.91	0.95	0.52
	Total period (1970-1996)	0.84	0.92	0.96	-1.90
Willapa Bay
	Calibration period (1970-1985)	0.88	0.94	0.97	-1.10
	Verification period (1985-2000)	0.9	0.95	0.97	-4.30
	Total period (1970-2000)	0.89	0.94	0.97	-2.69
Yaquina Bay
	Calibration period (1972-1982)	0.87	0.94	0.97	2.55
	Verification period (1982-1991)	0.83	0.92	0.96	-3.53
	Total period (1972-1991)	0.85	0.93	0.96	-0.37

equations for the correlation coefficient, the Nash-Sutcliffe efficiency, and the index of agreement.