I’ve read that Niagara Falls erodes backwards towards Lake Erie at a rate of 3 feet per year. This means that in a few hundred, maybe thousand (maybe even longer), the falls would have eroded all the way to Lake Erie. What will happen when it does? Will the lake’s floor begin to erode as well or will the water even out? I can’t wrap my head around it.
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It will take hundreds of thousands of years for that to happen, given current erosion rates.
Of far greater interest to me, is what it will look like when the erosion passes Goat Island, and the US Falls “disappear”.
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