The Biggest Iceberg on a Voyage

Icebergs are named based on the location of the first sighting. A23a, the 23rd iceberg, was sighted in the A quadrant of the Antarctic Continent, where it has been grounded for over 30 years. Recently, a team on RRS Sir David Attenborough crossed paths with it, which started moving to the north. The biggest iceberg is staggering, stretching as far as their eyes can go, one team member said. Entering the warm sea to the north, it’s gradually melting, releasing water into the ocean. The team has taken samples of the water around A23a, expecting a possible impact on physical circulation and nutrients in the ocean. Experts believe A23a will discharge into the Scotia Sea and end up close to South Georgia Island.

*Vocabularies; quadrant, cross paths, staggering, nutrition, nutrient, discharge

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