Kansas Real-Time Water Quality


NRTWQ Home >> Kansas >> View Data >> 07143672
USGS station:

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Constituent:
Time period:
Model Form:

Model Form #3

log10(ATRR) = - 1.7 + 0.721 log10(TURB) + 0.405 sin(2π D / 365) - 0.38 cos(2π D / 365)

where:

Model Archive Summary

The model archive summary for computed atrazine can be viewed in pdf form here.

Model Calibration

Basic Data

Number of measurements: 37
Mean squared error: 0.2809
Multiple R2: 0.58
Bias correction (smearing) factor: 1.9

Explanatory Variables

VariableValueStandard error
Intercept-1.70.269
log10(TURB) 0.7210.142
sin(2π D / 365) 0.4050.132
cos(2π D / 365) -0.380.134

Correlation Matrix

Interceptlog10(TURB) sin(2π D / 365) cos(2π D / 365)
Intercept1-0.9320.1130.0416
log10(TURB) -0.9321-0.2160.111
sin(2π D / 365) 0.113-0.2161-0.0994
cos(2π D / 365) 0.04160.111-0.09941

Reference