The Legendary Antarctic Iceberg, A23-A, is Nearly Gone After 40 Years - SnowBrains

"One of the icebergs that broke off; A23-A was roughly 4,000 square kilometers big(around 1,540 square miles). After the iceberg detached from Antarctica, it would float around and remain stuck in the Weddell sea for over 30 years."

"The calving (when an iceberg breaks off) and melting of large icebergs in a natural phenomenon and isn't necessarily directly a result of climate change; however, it is important to note that Antarctica is clearly losing mass faster than it can be replenished."

"Due to A23-A continuing to move further north into warmer waters as well as hydrofracturing lately (when heavy water sits on top of an iceberg and wants to move downwards), scientists don't expect A23-A to be around much longer."

Iceberg A23-A broke off from Antarctica's Filchner Ice Shelf in 1986, initially measuring approximately 4,000 square kilometers. It remained trapped in the Weddell Sea for over 30 years before beginning to drift across the South Atlantic Ocean in 2020. The iceberg has progressively diminished in size as it travels northward into warmer waters. While calving and melting are natural phenomena, Antarctica is losing mass faster than it can be replenished. Scientists expect A23-A to disappear soon due to continued melting and hydrofracturing, though they value the tracking data collected over four decades.

Read at SnowBrains