In Canada’s High Arctic, within the fiords of Ellesmere Island, there are lakes that float upon the Arctic Ocean. Called epishelf lakes, they are glacially-fed bodies of freshwater that sit atop a steep halocline. The lakes exist only where the ice shelves, filling the mouths of the fiords, act as dams, holding the water from flowing into the ocean. In … Read More about Ice Shelves, Ice Islands and Measuring Change in the High Arctic