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Kansas Real-Time Water Quality

USGS station:

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Constituent:
Time period:
Model Form:

Model Form #3

log10(TNR) = - 0.275 + 0.327 log10(TURB) - 0.0994 log10(Chls) + 0.0758 sin(2π D) + 0.0306 cos(2π D)

where:

Model Calibration

Basic Data

Number of measurements: 94
Mean squared error: 0.007396
Multiple R2: 0.845
Bias correction (smearing) factor: 1.02

Explanatory Variables

VariableValueStandard error
Intercept-0.2750.0468
log10(TURB) 0.3270.0217
log10(Chls) -0.09940.022
sin(2π D) 0.07580.0124
cos(2π D) 0.03060.0153

Correlation Matrix

Interceptlog10(TURB) log10(Chls) sin(2π D) cos(2π D)
Intercept1-0.958-0.695-0.0811-0.453
log10(TURB) -0.95810.5420.05760.497
log10(Chls) -0.6950.54210.0680.349
sin(2π D) -0.08110.05760.06810.0385
cos(2π D) -0.4530.4970.3490.03851

Reference

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URL: http://nrtwq.usgs.gov/explore/modelinfo?site_no=06892350&pcode=99410&period=31d_all&timestep=uv
Page Contact Information: National Real-Time Water Quality Information
Page Last Modified: Wed 06 October 2010