Submitted by THE_WARDEN3036 t3_10evs8g in askscience
Comments
[deleted] t1_j4uwdha wrote
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B0ssTato t1_j4ux5uw wrote
Pretty much, it'll freeze from the bottom up as ice forms and piles on and forms a sort of column until it reaches to the top of the waterfall where it meets with the frozen top layer.
This video shows it in progress, you can see the columns forming here: https://youtu.be/nWWWHQ7_MQQ
[deleted] t1_j4vn4ic wrote
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[deleted] t1_j4vod27 wrote
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Mtnskydancer t1_j4vwbml wrote
The closest big frozen falls to me seem to slowly form in the first few cold snaps, a bit at a time, and by January this year, look like stalactites.
I did notice there’s a sheen of not yet frozen on it, so it’s making layers.
Verpolk t1_j4vocet wrote
Just as a side note: Why was this not your initial answer?
B0ssTato t1_j4vp0xe wrote
I've not really answered posts like these before, so not sure how much detail people would have liked/disliked. :)
[deleted] t1_j4ttvk9 wrote
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[deleted] t1_j4u82gn wrote
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[deleted] t1_j4vnmpr wrote
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[deleted] t1_j4wu5tt wrote
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[deleted] t1_j50dobe wrote
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B0ssTato t1_j4ue2yu wrote
Normally, the molecules in the waterfall move under the influence of both the flow and thermal agitation. But if it gets cold enough, the heat effect becomes so low that not even the waterfall's motion can stop ice forming, gradually at first but then ever more rapidly.