Why do waterfalls keep falling?

Sometimes rivers dry up. But generally most rivers (and waterfalls by extension) stay fairly constant because, yes, the precipitation maintains the water flow. If that wasn't true, then the water would just be magically appearing, which I can assure you it is not.



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Unlike a lake or pond, a waterfall and its source -- rivers and streams -- are constantly moving and mixing the water. But if the temperature stays below freezing for an extended period of time, the water will supercool. That means it's below 32 degrees but still liquid. During that process, frazil ice forms.

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A plunge pool (or plunge basin or waterfall lake) is a deep depression in a stream bed at the base of a waterfall or shut-in. It is created by the erosional forces of cascading water on the rocks at formation's base where the water impacts.

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Angel Falls, Venezuela Beginning with the one that is the tallest uninterrupted waterfall, at the height of 3,200 feet, Angel Falls is the largest waterfall in the world.

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The last time it happened was in 1969, when engineers temporarily dammed the Niagara River in order to study the erosion of the American Falls ? but that wasn't the first time the mighty Falls slowed to a trickle.

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But no feat has attracted more visitors than a scientific survey conducted in 1969. That year, the U.S. Army Corps of Engineers turned off American Falls. The engineers wanted to find a way to remove the unseemly boulders that had piled up at its base since 1931, cutting the height of the falls in half.

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The Feel of Waterfalls Some say that because of the negative ions released by a waterfall, you can't help but feeling happy when you're near one. The “science” says that when the negative ions go into our bloodstream, it increases the production of serotonin, which is the happy chemical.

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It is potential gravitational energy that water at the top of a waterfall converts to kinetic energy as it falls down, then to other forms of energy when it hits the bottom, including some heat energy.

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