Ice clarity has much to do with purity and the rate of freezing. Water that is cooled slowly has time to reject impurities (gases, organic m...
Ice clarity has much to do with purity and the rate of freezing. Water that is cooled slowly has time to reject impurities (gases, organic material, minerals) that disrupt the careful crystal lattice that forms as it freezes. ... It also appears that the layer of clear ice as relatively thin and not frozen to the bottom of the lake, given how carefully the hikers are navigating the lake.
