https://phys.org/news/2018-07-scientists-capture-glacier-greenland.html

"Global sea-level rise is both undeniable and consequential," observes David Holland, a professor at NYU's Courant Institute of Mathematics and NYU Abu Dhabi, who led the research team. "By capturing how it unfolds, we can see, first-hand, its breath-taking significance."

This phenomenon, also known as calving (the breaking off of large blocks of ice from a glacier), may also be instructive to scientists and policy makers.