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 #3

log₁₀(TKN) = - 0.66 + 0.419 log₁₀(TURB)

where:

TKN is computed ammonia plus organic nitrogen, in milligrams per liter
TURB is turbidity, YSI EXO, in formazin nephelometric units

Model Archive Summary

The model archive summary for computed ammonia plus organic nitrogen can be viewed in pdf form here.

Model Calibration

Basic Data

Number of measurements:	111
Mean squared error:	0.011025
Multiple R²:	0.83
Bias correction (smearing) factor:	1.03

Explanatory Variables

Variable	Value	Standard error
Intercept	-0.66	0.0298
log₁₀(TURB)	0.419	0.0179

Correlation Matrix

	Intercept	log₁₀(TURB)
Intercept	1	-0.942
log₁₀(TURB)	-0.942	1

Reference

Stone, M.L., and Klager, B.J., 2022, Documentation of models describing relations between continuous real-time and discrete water-quality constituents in the Little Arkansas River, south-central Kansas, 1998-2019: U.S. Geological Survey Open-File Report 2022-1010, 34 p.