Saildrones redeployed
August 22, 2019

Despite a run-in with an iceberg and the world’s worst sailing conditions, Saildrone 1020 successfully completed its 13,670-nautical-mile journey around Antarctica, and indicated that parts of the Southern Ocean emit carbon dioxide in winter.

Aerial photo of sea ice in Antarctica's Amundsen Sea
March 26, 2021

The most recent maximum (September 2020) was above the long-term average, and the most recent minimum (February 2021) was below the long-term average, but neither set a record. Antarctic sea ice has greater year-to-year variability than the Arctic, and little evidence of long-term change.