Northern Greenland’s ice shelves are declining, accelerating sea level rise - The Washington Post

These northern Greenland ice shelves, as they are called, have lost 35 percent of their overall volume since 1978, the research published in Nature Communications found. That's equivalent to a loss of roughly 400 billion tons of floating ice that acted like the stopper of a decanter, preventing glaciers from flowing into the sea and accelerating sea level rise...

https://www.washingtonpost.com/climate-environment/2023/11/07/northern-greenland-ice-shelves-decline/