The input of relatively light freshwater also alters circulation patterns that cycle water between Greenland and northern North America, which could lead to more water on the North American end.

• 体积相对轻的淡水流入海洋后，还会改变格林兰岛和北美洲北部之间的洋流循环模式，这种情况最终可能导致更多的海水淹没北美大陆。