Kansas Real-Time Water Quality

Kansas Real-Time Water Quality

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

Model Form #1

log₁₀(DS) = - 0.0865 + 0.951 log₁₀(SC)

where:

DS is computed diss. solids, in milligrams per liter
SC is specific conductance at 25 degrees Celsius, in microsiemens per centimeter

Model Calibration

Basic Data

Number of measurements:	28
Mean squared error:	0.00259081
Multiple R²:	0.98
Bias correction (smearing) factor:	1.01

Explanatory Variables

Variable	Value	Standard error
Intercept	-0.0865	0.0726
log₁₀(SC)	0.951	0.0263

Correlation Matrix

	Intercept	log₁₀(SC)
Intercept	1	-0.9912
log₁₀(SC)	-0.9912	1

Reference

Rasmussen, T.J., Lee, C.J., and Ziegler, A.C., 2008, Estimation of Constituent Concentrations, Loads, and Yields in Streams of Johnson County, Northeast Kansas, Using Continuous Water-Quality Monitoring and Regression Models, October 2002 through December 2006: U.S. Geological Survey Scientific Investigations Report 2008-5014, 103 p.

Notes

This model was calibrated using total-dissolved-solids values that were calculated as the sum of individual concentrations of dissolved constituents.