2025-03-04 17:55:09
Nature
Science

Iceberg A23a: Grounded Giant and Its Implications

Image used under license from Shutterstock.com

The iceberg A23a, measuring 3,360 square kilometers and weighing nearly one trillion tonnes, has recently grounded off the coast of South Georgia. This massive iceberg has been drifting northward from Antarctica since 2020, posing potential threats to the local wildlife, particularly penguins and seals.

According to the British Antarctic Survey (BAS), the grounding occurred approximately 73 kilometers from the island, eliminating immediate concerns regarding its impact on feeding grounds. Experts, including oceanographer Andrew Meijers, indicate that the iceberg's current position is secure due to natural forces such as winds and currents.

This development suggests that, while the iceberg's size is formidable, it will not disrupt the ecosystem as initially feared. Observations from the European Space Agency have confirmed the iceberg's stability, providing reassurance that the wildlife in this region is unlikely to face the adverse effects that had been anticipated.

The situation highlights the complexities of icebergs in the Southern Ocean, where they typically break apart and melt over time. Consequently, while the A23a iceberg remains a subject of interest, its grounding has resulted in a positive outcome for the local fauna, allowing them to thrive without disruption.

zeit
4. März 2025 um 15:20

Iceberg A232: World's Largest Iceberg Apparently Grounded

The iceberg A23a, as large as Mallorca, has run aground and has been drifting northward since 2020, according to the British research organization British Antarctic Survey (BAS). It threatened to interrupt the feeding grounds of penguins and seals on South Georgia, which could reduce the amount of food for young animals and chicks and increase mortality. This article will be updated further.
AFP
4. März 2025 um 14:03

World's biggest iceberg apparently runs aground in Antarctica

The 3,360 square kilometer and nearly one trillion ton iceberg A23a has been drifting northward in Antarctica since 2020 and has run aground about 70 km from the island of South Georgia, according to BAS expert Andrew Meijers. No significant impact on the local wildlife is expected, as the iceberg remains on the seabed.
n-tv.de
4. März 2025 um 15:33

Almost four times as large as Berlin: Largest iceberg in the world stranded in the South Atlantic

Environment
The largest iceberg A23a (3,360 km²) broke off from the Filchner-Ronne Ice Shelf in 1986, drifted for decades in ocean currents, and has been drifting towards South Georgia since 2020. Scientists feared a collision and disruption of food sources for animals, but the iceberg stranded 73 km off the island.
World - South China Morning Post
4. März 2025 um 15:25

Iceberg twice the size of Greater London runs aground off Antarctica

Environment
A23a, a colossal iceberg over twice the size of Greater London and weighing nearly one trillion tonnes, has been drifting north from Antarctica towards South Georgia island since 2020, and was encountered by oceanographer Andrew Meijers in late 2023, according to the British Antarctic Survey, which notes that icebergs in the Southern Ocean soon break up, disperse and melt.
CW

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