What do people mean when they say “Niagara Falls will erode all the way to Lake Erie”?

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I know that eventually the falls will go all the way back to Lake Erie, but all the articles I’ve read say that it will cease to exist, surely that’s not possible? The elevation differential won’t just disappear, right? There will still be a falls so water can get down from Lake Erie into Ontario?

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Anonymous 0 Comments

It’ll change from a sudden drop to a gradual slope. Basically the top of the fall will erode much faster than the bottom, moving the top back but not changing the bottom much. I stead of the water flowing over a cliff, it’ll become a ramp and no longer be a fall at all.

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