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

log₁₀(F) = - 0.892 + 0.162 log₁₀(SC) - 0.000255 Q

where:

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

Model Calibration

Basic Data

Number of measurements:	18
Mean squared error:	0.00316969
Multiple R²:	0.826
Bias correction (smearing) factor:	1.03

Explanatory Variables

Variable	Value	Standard error
Intercept	-0.892	0.230331
log₁₀(SC)	0.162	0.0639225
Q	-0.000255	0.0000962

Correlation Matrix

	Intercept	log₁₀(SC)	Q
Intercept	1	-0.997645	-0.831071
log₁₀(SC)	-0.997645	1	0.811252
Q	-0.831071	0.811252	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.