For example if water falls down a waterfall then it eventually reaches the very top again to fall back down again.
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3Welcome to Earth Science Stack Exchange! What you're describing is not possible in a natural environment because water doesn't flow uphill. Do you have some specific example that you're trying to understand? – Matt Hall May 26 '22 at 16:05
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i guess this is what the OP ask about https://www.youtube.com/watch?v=d_snHyCh3V8 having to guess is a reason for this question to be closed. – trond hansen May 26 '22 at 17:06
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@kwinkunks It doesn't have to be a waterfall as that's highly vertical with a cliff. It could be something else like a river, stream, or sea. – desbest May 26 '22 at 18:01
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@desbest You're going to have to provide some specific examples, like a photo or video, or maybe a location on Earth. E.g. see Trond's suggestion. Is that the kind of thing you're talking about? – Matt Hall May 26 '22 at 18:04
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1Perpetual motion. – blacksmith37 May 26 '22 at 18:25
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The only way you'll get water to flow uphill is by forcing it. That can be wind, hydrostatic pressure, manmade pump, etc. (I can envision some crazy scenario where water flows downhill, then due to very special geology and water addition [precip/inflow], is forced back up through a favorable pathway in the rock??) But it likely wouldn't last long term or be very large (and it isn't truly cyclic, since much of the returning water wouldn't be the same water) – JeopardyTempest May 26 '22 at 21:11
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What if there is no uphill level and there's only the ground level. Would there be a term for it in that instance? – desbest May 27 '22 at 19:14
