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

Table 9. Relative discharge of total nitrogen, total phosphorus, and suspended sediment loads from three major tributaries to Columbia River between Vernita Bridge, Washington, and Warrendale, Oregon, water year 2000.

[Discharge expressed as a percentage of all measured tributary loads for the reach]

Discharge	Load (percentage)
Discharge	Snake River	Yakima River	Deschutes River
Total nitrogen	82.8	10.2	5.10
Total phosphorus	65.5	13.0	15.6
Suspended sediment	82.8	10.2	5.10

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