USGS Scientific Investigations Report 2013–5016  - Macrophyte and pH Buffering Updates to the  Klamath River Water-Quality Model Upstream of  Keno Dam, Oregon 

Table 7. Goodness-of-fit statistics averaged over all calibration sites for the updated model of the Link River to Keno Dam reach of the Klamath River, Oregon. 

[Abbreviations: °C. degrees Celsius; <, less than; µm³/mL, cubic micrometers per milliliter; mg/L, milligrams per liter; rl, reporting level; ×, times] 

Constituent	Unit	Data type	Range of measured values	Year	Mean error	Mean absolute error	Root mean square error
Water temperature	°C	hourly	0–28	2006	-0.03	0.55	0.70
				2007	0.06	0.63	0.78
				2008	0.17	0.63	0.80
				2009	-0.17	0.58	0.72
Dissolved oxygen	mg/L	hourly	0–20	2006	-0.02	0.98	1.37
				2007	0.70	1.23	1.70
				2008	-0.18	0.95	1.36
				2009	-0.65	1.27	1.71
pH		hourly	7–11	2006	-0.14	0.26	0.36
				2007	-0.04	0.30	0.39
				2008	-0.02	0.25	0.33
				2009	-0.20	0.34	0.46
Ammonia	mg/L	grab	<rl–1.7	2007	0.00	0.12	0.16
Ammonia	mg/L	grab	<rl–1.7	2008	-0.11	0.22	0.28
Nitrate	mg/L	grab	<rl–0.8	2007	0.01	0.03	0.03
Nitrate	mg/L	grab	<rl–0.8	2008	0.01	0.03	0.03
Particulate nitrogen	mg/L	grab	0.06–4.0	2007	-0.21	0.29	0.49
Particulate nitrogen	mg/L	grab	0.06–4.0	2008	-0.17	0.25	0.39
Total nitrogen	mg/L	grab	0.6–5.9	2007	0.03	0.40	0.59
Total nitrogen	mg/L	grab	0.6–5.9	2008	-0.08	0.42	0.52
Orthophosphorus	mg/L	grab	0.01–0.27	2007	0.01	0.03	0.04
Orthophosphorus	mg/L	grab	0.01–0.27	2008	0.00	0.02	0.03
Total phosphorus	mg/L	grab	0.06–0.50	2007	0.01	0.05	0.07
Total phosphorus	mg/L	grab	0.06–0.50	2008	0.00	0.04	0.05
Blue-green algae	µm³/mL	grab	0–113×106	2007	-4.7×106	7.6×106	14.9×106
Blue-green algae	µm³/mL	grab	0–113×106	2008	-2.2×106	3.4×106	5.8×106
Particulate carbon	mg/L	grab	0.5–18	2007	0.07	1.09	1.72
Particulate carbon	mg/L	grab	0.5–18	2008	0.41	1.31	1.89
Dissolved organic carbon	mg/L	grab	5–14	2007	0.37	0.72	1.12
Dissolved organic carbon	mg/L	grab	5–14	2008	-0.39	0.71	0.88

Macrophyte and pH Buffering Updates to the Klamath River Water-Quality Model Upstream of Keno Dam, Oregon

Macrophyte and pH Buffering Updates to the Klamath River Water-Quality Model Upstream of Keno Dam, Oregon 