Kansas Real-Time Water Quality

Kansas Real-Time Water Quality

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USGS station:	Go to NWISWeb
Constituent:
Time period:
Model Form:

Funding to maintain the continuous water-quality monitor at this site ended on December 31, 2003.

Model Form #1

Na = - 117 + 0.0938 Q + 0.203 SC

where:

Na is computed sodium, in milligrams per liter
Q is computed discharge, stage-discharge rating curve, in cubic feet per second
SC is specific conductance at 25 degrees Celsius, in microsiemens per centimeter

Model Calibration

Basic Data

Number of measurements:	18
Mean squared error:	569.65278276
Multiple R²:	0.998
Bias correction (smearing) factor:	1

Explanatory Variables

Variable	Value	Standard error
Intercept	-117	14.1661
Q	0.0938	0.0293173
SC	0.203	0.0029325

Correlation Matrix

	Intercept	Q	SC
Intercept	1	-0.703252	-0.875308
Q	-0.703252	1	0.554267
SC	-0.875308	0.554267	1

Reference

Christensen, V.G., 2001, Characterization of Surface-Water Quality Based on Real-Time Monitoring and Regression Analysis, Quivira National Wildlife Refuge, South-Central Kansas, December 1998 Through June 2001: U.S. Geological Survey Water-Resources Investigations Report 01-4248, 28 p.