Kansas Real-Time Water Quality

Kansas Real-Time Water Quality

NRTWQ Home >> Kansas >> View Data >> 06889000

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

Funding to maintain the continuous water-quality monitor at this site ended on September 30, 2005.

Model Form #1

log₁₀(Ca) = - 0.218 + 0.704 log₁₀(SC)

where:

Ca is computed calcium, in milligrams per liter as calcium
SC is specific conductance at 25 degrees Celsius, in microsiemens per centimeter

Model Calibration

Basic Data

Number of measurements:	21
Mean squared error:	0.002304
Multiple R²:	0.87
Bias correction (smearing) factor:	1.01

Explanatory Variables

Variable	Value	Standard error
Intercept	-0.218	0.1774
log₁₀(SC)	0.704	0.0622

Correlation Matrix

	Intercept	log₁₀(SC)
Intercept	1	-0.9983
log₁₀(SC)	-0.9983	1

Reference

Rasmussen, T.J., Ziegler, A.C., and Rasmussen, P.P., 2005, Estimation of Constituent Concentrations, Densities, Loads, and Yields in Lower Kansas River, Northeast Kansas, Using Regression Models and Continuous Water-Quality Monitoring, January 2000 Through December 2003: U.S. Geological Survey Scientific Investigations Report 2005-5165, 117 p.