USGS Scientific Investigations Report 2010–5008 Use of Continuous Monitors and Autosamplers to Predict Unmeasured Water-Quality Constituents in Tributaries of the Tualatin River, Oregon

Scientific Investigations Report 2010–5008

Use of Continuous Monitors and Autosamplers to Predict Unmeasured Water-Quality Constituents in Tributaries of the Tualatin River, Oregon

Figure 18. Time series of predicted Escherichia coli (E. coli) bacteria concentrations at Dairy Creek at Highway 8 near Hillsboro, from Models 4, 5, and 7b, with prediction intervals, calibration, and validation data (A) during 2002–04 , (B) during storm 1, and (C) during storm 2, Tualatin River basin, Oregon. Winter conditions are not predicted because of the lack of available monitor and discharge data.

First posted June 18, 2010

Report PDF (4 MB)

For additional information contact:
Director, Oregon Water Science Center
U.S. Geological Survey
2130 SW 5th Ave.
Portland, Oregon 97201
http://or.water.usgs.gov

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