US EditionFarewell Old Friend -- Saying Goodbye to A23a, Former World’s Largest and Still Oldest Iceberg
2 Articles
2 Articles
The veteran iceberg A23a is living his last days. After almost forty years drifting between polar waters, scientists estimate that the remains of this ice block, which came to be about 4,000 square kilometers and was more than twice as large as London, could disappear in a matter of weeks. A23a was detached in 1986 from the ice platform Flichner-Ronne, in the Weddell Sea sector. For more than three decades it was “stacked” on the seabed by its o…
Farewell Old Friend -- Saying Goodbye to A23a, Former World’s Largest and Still Oldest Iceberg
As A23a drifted it was eroded by waves in the relatively warmer waters of the Southern Ocean, carving huge arches and caves in the 400-meter-high walls of the iceberg. It feels a bit odd to have developed an emotional attachment to an iceberg. Then again, we have spent years following the epic and quixotic journey of the iceberg designated as A23a, an enormous mass of ice weighing roughly one trillion tons that was once the world’s largest icebe…
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