What will happen if the Glen Canyon Dam stops generating power?
Low tide usually arrives every 12 hours on the Colorado River in Grand Canyon National Park. River runners who pull their rafts onto gently sloping sand beaches to camp may awake to find their boats stranded far above the waterline by morning. Rocks that disappear in certain rapids at high tide become major obstacles when the water is low, and most rafters carry a tide chart in their boats’ dry boxes alongside their map. Unlike ocean tides, however, the river’s regular fluctuations have nothing to do with the gravitational pull of the moon. They are driven by the power demands of the Southwest.
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