The interesting thing about Alaska is, a lot of the glaciers sit right at a temperature - right at a zero degree temperature. So, small changes in atmospheric air temperature can cause drastic changes in ice point.
阿拉斯加的有趣之处在于,许多冰川都处于一个温度下——恰好在零度温度下。因此,大气温度的微小变化会导致冰点的剧烈变化。