Data Set #011 Columbia River depth vs velocity 1.6 1.2 0.8 velocity (ft/sec) 0.4 0.0 4.0 8.0 12.0 depth (feet)velocity-depth data for the Columbia River below Grand Coulee Dam Savini and Bodhaine (1971), USGS WSP 1869-F measured 13 feet from the shoreline depth (ft) vel (ft/sec) 0.7 1.55 2.0 1.11 2.6 1.42 3.3 1.39 4.6 1.39 5.9 1.14 7.3 0.91 8.6 0.59 9.9 0.59 10.6 0.41 11.2 0.22