End of the Journey for Iceberg B-15Z?

In March 2000, the largest iceberg ever recorded broke away from Antarctica’s Ross Ice Shelf. Now, in its 18th year drifting with the currents and being battered by the wind and sea, a piece of this original berg could be nearing the end of its voyage.

When iceberg B-15 first broke away, it measured about 160 nautical miles long and 20 nautical miles wide. That equates to an area of 3,200 square nautical miles, or about the size of Connecticut. B-15 has since fractured into numerous smaller bergs, and most have melted away. Just four pieces remain that meet the minimum size requirement—at least 20 square nautical miles—to be tracked by the National Ice Center…