Kansas Real-Time Water Quality

Kansas Real-Time Water Quality

NRTWQ Home >> Kansas >> View Data >> 06893150

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

Model Form #1

log₁₀(Ca) = - 0.657 + 0.902 log₁₀(SC)

where:

Ca is computed calcium, in milligrams per liter as calcium
Ca is 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:	18
Mean squared error:	0.00285156
Multiple R²:	0.92
Bias correction (smearing) factor:	1.01

Explanatory Variables

Variable	Value	Standard error
Intercept	-0.657	0.1782
log₁₀(SC)	0.902	0.0683

Correlation Matrix

	Intercept	log₁₀(SC)
Intercept	1	-0.9975
log₁₀(SC)	-0.9975	1

Reference

Graham, J.L., Stone, M.L., Rasmussen, T.J., Poulton, B.C., 2010, Assessment of Effects of Wastewater Discharge and Treatment Facility Upgrades on Environmental and Biological Conditions of the Upper Blue River.