Daily polynya area and ice production in the North Water polynya region

The North Water (NOW) Polynya is a regularly-forming area of open-water and thin-ice, located between northwestern Greenland and Ellesmere Island (Canada) at the northern tip of...北水（NOW）冰间湖（Polynya）是一处周期性形成的开阔水域与薄冰区域，坐落于格陵兰西北部与加拿大埃尔斯米尔岛之间的……北端。