Scientific Investigations Report 2007–5164
U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2007–5164
Table 4. Estimated annual discharge, suspended-sediment load, and discharge-weighted suspended-sediment concentrations at gaging stations in the McKenzie River, Oregon, water years 2002–04, as derived from continuous measurements of discharge and turbidity, and regressions of turbidity and suspended-sediment concentration.
[Streamflow data for complete years are from the U.S. Geological Survey (2002, 2003, 2004). Discharge-weighted suspended-sediment concentration is determined as the annual suspended-sediment load divided by the annual discharge, with conversion for measurement units. Monitors were installed during January 2003 at MRBO, BLUE, and VIDA; hence, loads and concentrations indicated are for partial records during water year 2003 at those sites. Abbreviations: mg/L, milligram per liter; –, no data]
| Station name | Water year | Annual discharge (acre-feet) |
Annual suspended- sediment load (tons) |
Annual, discharge-weighted, suspended-sediment concentration (mg/L) |
|---|---|---|---|---|
| McKenzie River above South Fork McKenzie, near Rainbow (MRBO) | 2002 | – | – | – |
| 12003 | 11,204,000 | 14,800 | 12.9 | |
| 2004 | 1,789,000 | 5,800 | 2.4 | |
| South Fork McKenzie River above Cougar Reservoir, near Rainbow (SFCO) | 2002 | 467,900 | 6,800 | 10.7 |
| 2003 | 493,000 | 2,900 | 4.3 | |
| 12003 | 1290,000 | 12,600 | 16.6 | |
| 2004 | 467,200 | 3,100 | 4.9 | |
| South Fork McKenzie River near Rainbow (CGRO) | 2002 | 703,900 | 17,000 | 17.8 |
| 2003 | 392,400 | 10,900 | 20.4 | |
| 12003 | 1360,000 | 17,400 | 115.0 | |
| 2004 | 599,300 | 4,100 | 5.0 | |
| Blue River at Blue River (BLUE) | 2002 | 314,300 | – | – |
| 2003 | 317,500 | – | –5 | |
| 12003 | 1124,800 | 11,400 | 18.5 | |
| 2004 | 285,400 | 3,200 | 8.2 | |
| McKenzie River near Vida (VIDA) | 2002 | 2,917,000 | – | – |
| 2003 | 2,577,000 | – | – | |
| 12003 | 11,818,400 | 120,000 | 17.4 | |
| 2004 | 2,743,000 | 16,900 | 4.5 |
1Based on partial year of data from January 29–September 30.
U.S. Department of the Interior | U.S. Geological Survey
URL: https://pubs.usgs.gov/sir/2007/5164
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