The phrase "ice discharge" refers to the process of ice or frozen water being released or flowing out from a particular place, such as a glacier or ice sheet, into a body of water like a lake or ocean. Full definition
Annual ice discharge from this region as a whole has increased 77 percent since 1973. (nasa.gov)
From 2008 to 2015, continent - wide rates of ice discharge increased by about 36 billion tons per year. (earther.com)
The suspected triggers for accelerated ice discharge on both continents include surface warming and melt runoff, ocean warming, and circulation changes. (nsidc.org)