Kansas Real-Time Water Quality

USGS station:

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Constituent:
Time period:
Model Form:

Model Form #2

log10(TN) = 0.0175 + 0.0218 sin(2π D / 365) + 0.1118 cos(2π D / 365) + 0.1818 log10(TURB)

where:

Model Calibration

Basic Data

Number of measurements: 54
Mean squared error: 0.00767376
Multiple R2: 0.63
Bias correction (smearing) factor: 1.0184

Explanatory Variables

VariableValueStandard error
Intercept0.01750.0513
sin(2π D / 365) 0.02180.0173
cos(2π D / 365) 0.11180.022
log10(TURB) 0.18180.026

Correlation Matrix

Interceptsin(2π D / 365) cos(2π D / 365) log10(TURB)
Intercept10.07920.1375-0.9546
sin(2π D / 365) 0.07921-0.1148-0.1946
cos(2π D / 365) 0.1375-0.114810.0271
log10(TURB) -0.9546-0.19460.02711

Notes

New model for 07144780, total nitrogen