Figure 10. Measured and estimated water temperatures for conditions with and without upstream dams at the Fall Creek, Fern Ridge, and Foster dam sites in the Willamette River basin, Oregon, 2001–02. Estimated with-dam temperatures are from Annear and others (2004a) at Portland State University (PSU) for Fall Creek and Fern Ridge Dams or from correlations by the Oregon Department of Environmental Quality (ODEQ) for Foster Dam. Measured temperatures are from USGS stations 14151000, 14169000, and 14187200 for graphs A, B, and C, respectively.

First posted August 17, 2010