You see, the ice shelves act as a kind of braking system for the large glaciers, and there's a huge ice shelf buttressing the West Antarctic ice streams, called the Ross.
(You; see; ) (the ice shelves; act; as a kind of braking system) (a huge ice shelf buttressing the West Antarctic ice streams; called; the Ross)
You the ice shelves a huge ice shelf buttressing the West Antarctic ice streams
see act called
as a kind of braking system
the Ross