Scientific Investigations Report 2007–5185
U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2007–5185
Table 4. Cooling effects of several shading scenarios on the Willamette River, Oregon.
[Effects were measured relative to the 95th percentile of the 7dADM water temperature difference due to changes in shading. Abbreviations: 7dADM, 7-day moving average of the daily maximum; RM, river mile; ∆T, change in temperature; °C, degree Celsius]
| Shading scenario |
Shaded reach (RM) |
Maximum ∆T in Willamette River (°C) |
∆T at RM 116.9 (°C) |
Integrated change for Willamette River (°C-mile) |
|---|---|---|---|---|
| UW - A | 176.80 – 171.82 | -0.074 | -0.035 | -3.432 |
| UW - B | 171.82 – 166.84 | -0.048 | -0.026 | -2.655 |
| UW - C | 166.84 – 161.86 | -0.060 | -0.052 | -3.893 |
| UW - D | 161.86 – 156.88 | -0.088 | -0.054 | -3.731 |
| UW - E | 156.88 – 151.89 | -0.060 | -0.026 | -2.954 |
| UW - F | 151.89 – 146.92 | -0.116 | -0.014 | -4.043 |
| UW - G | 146.92 – 141.94 | -0.182 | -0.013 | -5.977 |
| UW - H | 141.94 – 136.80 | -0.194 | -0.023 | -5.111 |
| UW - I | 136.80 – 131.82 | -0.127 | -0.035 | -3.364 |
| UW - J | 131.82 – 126.84 | -0.048 | -0.029 | -1.467 |
| UW - K | 126.84 – 121.86 | -0.095 | -0.094 | -2.731 |
| UW - L | 121.86 – 116.87 | -0.046 | -0.045 | -1.459 |
| UW - AL | 176.80 – 116.87 | -0.419 | -0.273 | -29.557 |
| Long Tom | all in Long Tom | -0.034 | -0.021 | -2.055 |
U.S. Department of the Interior | U.S. Geological Survey
URL: https://pubs.usgs.gov/sir/2007/5185
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