Freeboard in winter north atlantic 3172mm.

北大西洋冬季干舷3172毫米。

" That includes the velocity of the ice, the thickness of the ice, how fast the freeboard of the ice shelf is changing with time and also how much snowfall there is on the top of the ice shelves."

“这包括冰雪的速度、厚度，以及冰架超出水面高的部分随着时间改变快慢，以及冰架顶部的落雪量。”