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- #81
Although there is some kinetic heat created by the movement of water slightly lowing it's freezing point the difference in freezing points is minimal at best... Moving water still freezes it just takes longer because the heat drop is 'mixed' and more uniform, unlike stationary water that freezes from the outside in as it continues to drop in temp... In moving water once the entire container of water hits 32°F it's going to start to freeze regardless of motion, likely a more slush like freeze then sheets as it's being moved, as is evidenced in the rivers and streams around me that still freeze to some degree during the winter.... A big factor with rivers not freezing is the churning effect combined with the geothermal heat from bellow as well as just the massive volume of water, it's not just a factor of the water moving...
Good answer!
