Antarctic May Be Thicker than Previously Thought

Underwater vehicles have been used to better map the sea-ice of the Antarctic and have come up with some interesting findings:

  • Maps of sea-ice draft for ten floes mean draft range from 1.4 to 5.5 m and up to 16 m.
  • On average, 76 percent of the ice volume is deformed ice.
  • Floes are much thicker and more deformed than previous reports.

The large packs of floating ice (ice-floes) are about 20 meters or 66 feet across. The thick ice in the near-coastal and interior pack may be under-represented in existing original assessments of Antarctic sea ice. Therefore, Antarctic sea-ice may be thicker than previously thought.

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