- Mar 16, 2006
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I was recently in the interior of Alaska and drove past a flowing river(the Tanana I think) and some small streams( ~5ft wide). The outside temperature was approx -30 F (-34C) not factoring wind chill and had been sub zero for an extended period of time. I know that sediment/contaminants can effect the freezing point and that the fact that the water in motion can be <32 F. However, I was still amazed that at >60°F below freezing that water would still be flowing. Does anyone know if there is some kind of equation that can determine water's freezing point in a turbulent state with sediment? It would have been interesting to stick a thermometer in there to see what the actual water temp was but the fear of falling in and freezing to death in less than a minute dissuaded me.