Arizona Real-time Water Quality

Arizona Regression Models, by Publication Source

Linard, J.I., Schaffrath, K.R., 2014, Regression models for estimating salinity and selenium concentrations at selected sites in the upper Colorado River Basin, Colorado: 2009 - 2012 (in publication process): U.S. Geological Survey Open File Report 2014-1015, 28 p.

Station Constituent Model Form n R2 BCF Standard Errors of Coefficeints Correlation Matrix Lower-Left
09380000 Diss. solids ln(DSR) = - 1.84188 + 0.0277 ln(Q) + 1.1644 ln(SC) 44 0.9964 1.0001 0.3754, 0.0095, 0.0543 -0.3229, -0.9701, -0.0835
09380000 Load diss. solids ln(LDS) = - 7.7575 + 1.0277 ln(Q) + 1.1644 ln(SC) 44 0.9964 1.0001 0.3754, 0.0095, 0.0543 -0.3229, -0.9701, -0.0835
09402500 Diss. solids ln(DSR) = 5.97522 + 0.0106 ln(Q) 44 0.9578 1.0012 0.315, 0.0327 -0.9997
09402500 Load diss. solids ln(LDS) = 0.0596 + 1.0106 ln(Q) 44 0.9578 1.0012 0.315, 0.0327 -0.9997
09415000 Diss. solids ln(DSR) = 9.57982 - 0.4081 ln(Q) 34 0.9263 1.0024 0.1438, 0.0295 -0.9963
09415000 Load diss. solids ln(LDS) = 3.6642 + 0.5919 ln(Q) 34 0.9263 1.0024 0.1438, 0.0295 -0.9963

U.S. Bureau of Reclamation, 2013, U.S. Bureau of Reclamation, 2013, Quality of Water Colorado River Basin Progress Report No. 24: U.S. Department of Interior, Bureau of Reclamation, Upper Colorado Region

Station Constituent Model Form n R2 BCF Standard Errors of Coefficeints Correlation Matrix Lower-Left
09429490 Diss. solids ln(DSR) = - 1.33198 + 0.0153 ln(Q) + 1.1017 ln(SC) 399 0.993 1.0002 0.2301, 0.0057, 0.0267 -0.8641, -0.9906, 0.7872
09429490 Load diss. solids ln(LDS) = - 7.2476 + 1.0153 ln(Q) + 1.1017 ln(SC) 399 0.993 1.0002 0.2301, 0.0057, 0.0267 -0.8641, -0.9906, 0.7872