https://phys.org/news/2018-07-iceberg-miles-greenland-glacier.html > A June 22 video of the incident was taken by his wife, Denise Holland of NYU's Environmental Fluid Dynamics Laboratory. They camped by the Helheim Glacier for weeks to collect data to better project sea level changes. > Holland said Wednesday that the time-lapse video, speeded up 20 times, shows "3 percent of the annual ice loss of Greenland occur in 30 minutes."