Ice Plains of Antarctica: Vast Frozen Expanses

In Antarctica, "plains" refer not to sedimentary lowlands but to massive, relatively flat ice surfaces. These ice plains are critical components of the continent’s glacial system:

Major Ice Plains

1. East Antarctic Ice Sheet – Covers two-thirds of the continent; vast, featureless, high-elevation ice plateau.
2. West Antarctic Ice Sheet – Lower elevation, marine-based ice sheet with extensive flat expanses.
3. Polar Plateau – The high, smooth interior of East Antarctica, including the area around the South Pole.
4. Ross Ice Shelf – World’s largest floating ice shelf; a massive, flat ice plain extending over the Ross Sea.
5. Filchner-Ronne Ice Shelf – Second-largest ice shelf, fringing the Weddell Sea.
6. Amery Ice Shelf – Major East Antarctic shelf with a smooth, uniform surface.
7. Lambert Glacier–Amery Ice Shelf System – The world’s largest glacier system, feeding a broad ice plain into the Amery Shelf.

These ice plains govern ice flow, sea-level contributions, and global climate interactions.