Nutrient and Suspended-Sediment Transport and Trends in the Columbia River and Puget Sound Basins, 1993

Scientific Investigations Report 2007–5186

U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2007–5186

Figure - refer to figure caption for alternative text description

Figure 8. Examples of data smoothing demonstrating temporal variability of daily mean streamflow and instantaneous total nitrogen concentrations for Willamette River at Portland, Oregon, water years 1993–2003. (LOWESS, locally weighted scattered plot smoothing.)

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